./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:51,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:51,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:51,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:51,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:51,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:51,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:51,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:51,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:51,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:51,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:51,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:51,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:51,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:51,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:51,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:51,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:51,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:51,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:51,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:51,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:51,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:51,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:51,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:51,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:51,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:51,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:51,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:51,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:51,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:51,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:51,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:51,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:51,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:51,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:51,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:51,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:51,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:51,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:51,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:51,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:51,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:07:51,195 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:51,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:51,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:51,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:51,197 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:51,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:51,197 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:51,197 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:07:51,198 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:51,198 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:51,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:07:51,199 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:07:51,199 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:51,199 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:07:51,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:07:51,200 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:07:51,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:51,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:07:51,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:51,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:07:51,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:51,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:07:51,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:51,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:07:51,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:51,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:07:51,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:51,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:51,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:51,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:51,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:51,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:07:51,205 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:07:51,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:07:51,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:07:51,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:51,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:51,206 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_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c [2021-11-12 23:07:51,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:51,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:51,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:51,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:51,515 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:51,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2021-11-12 23:07:51,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/05e9508c3/30f0e17b890e401dba981273b0485636/FLAGbcf13c3cc [2021-11-12 23:07:52,634 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:52,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2021-11-12 23:07:52,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/05e9508c3/30f0e17b890e401dba981273b0485636/FLAGbcf13c3cc [2021-11-12 23:07:52,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/05e9508c3/30f0e17b890e401dba981273b0485636 [2021-11-12 23:07:52,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:52,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:52,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:52,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:52,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:52,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:52" (1/1) ... [2021-11-12 23:07:52,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df4f1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:52, skipping insertion in model container [2021-11-12 23:07:52,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:52" (1/1) ... [2021-11-12 23:07:52,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:53,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:54,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:56,130 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:58,649 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2021-11-12 23:07:58,651 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2021-11-12 23:07:58,652 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2021-11-12 23:07:58,659 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2021-11-12 23:07:58,660 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2021-11-12 23:07:58,661 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2021-11-12 23:07:58,661 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2021-11-12 23:07:58,662 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2021-11-12 23:07:58,662 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2021-11-12 23:07:58,663 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2021-11-12 23:07:58,664 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2021-11-12 23:07:58,664 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2021-11-12 23:07:58,665 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2021-11-12 23:07:58,665 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2021-11-12 23:07:58,666 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2021-11-12 23:07:58,666 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2021-11-12 23:07:58,667 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2021-11-12 23:07:58,673 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2021-11-12 23:07:58,675 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2021-11-12 23:07:58,675 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2021-11-12 23:07:58,676 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2021-11-12 23:07:58,677 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2021-11-12 23:07:58,678 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2021-11-12 23:07:58,679 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2021-11-12 23:07:58,679 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2021-11-12 23:07:58,679 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2021-11-12 23:07:58,711 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2021-11-12 23:07:58,711 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2021-11-12 23:07:58,712 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2021-11-12 23:07:58,712 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2021-11-12 23:07:58,712 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2021-11-12 23:07:58,713 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2021-11-12 23:07:58,713 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2021-11-12 23:07:58,713 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2021-11-12 23:07:58,714 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2021-11-12 23:07:58,714 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2021-11-12 23:07:58,714 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2021-11-12 23:07:58,715 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2021-11-12 23:07:58,715 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2021-11-12 23:07:58,715 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2021-11-12 23:07:58,716 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2021-11-12 23:07:58,716 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2021-11-12 23:07:58,716 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2021-11-12 23:07:58,718 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2021-11-12 23:07:58,719 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2021-11-12 23:07:58,720 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2021-11-12 23:07:58,720 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2021-11-12 23:07:58,721 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2021-11-12 23:07:58,722 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2021-11-12 23:07:58,722 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2021-11-12 23:07:58,723 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2021-11-12 23:07:58,724 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2021-11-12 23:07:58,724 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2021-11-12 23:07:58,725 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2021-11-12 23:07:58,725 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2021-11-12 23:07:58,726 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2021-11-12 23:07:58,726 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2021-11-12 23:07:58,726 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2021-11-12 23:07:58,727 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2021-11-12 23:07:58,728 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2021-11-12 23:07:58,728 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2021-11-12 23:07:58,729 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2021-11-12 23:07:58,729 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2021-11-12 23:07:58,730 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2021-11-12 23:07:58,730 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2021-11-12 23:07:58,731 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2021-11-12 23:07:58,731 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2021-11-12 23:07:58,732 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2021-11-12 23:07:58,732 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2021-11-12 23:07:58,732 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2021-11-12 23:07:58,733 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2021-11-12 23:07:58,733 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2021-11-12 23:07:58,734 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2021-11-12 23:07:58,734 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2021-11-12 23:07:58,734 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2021-11-12 23:07:58,735 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2021-11-12 23:07:58,735 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2021-11-12 23:07:58,736 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2021-11-12 23:07:58,736 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2021-11-12 23:07:58,736 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2021-11-12 23:07:58,737 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2021-11-12 23:07:58,737 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2021-11-12 23:07:58,738 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2021-11-12 23:07:58,739 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2021-11-12 23:07:58,740 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2021-11-12 23:07:58,741 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2021-11-12 23:07:58,741 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2021-11-12 23:07:58,742 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2021-11-12 23:07:58,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:58,821 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:07:58,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c371a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:58, skipping insertion in model container [2021-11-12 23:07:58,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:58,826 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:07:58,829 INFO L158 Benchmark]: Toolchain (without parser) took 5891.20ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 67.7MB in the beginning and 82.7MB in the end (delta: -15.0MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2021-11-12 23:07:58,829 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:07:58,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5888.88ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 67.4MB in the beginning and 82.7MB in the end (delta: -15.4MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2021-11-12 23:07:58,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5888.88ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 67.4MB in the beginning and 82.7MB in the end (delta: -15.4MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4500]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:08:01,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:08:01,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:08:01,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:08:01,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:08:01,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:08:01,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:08:01,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:08:01,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:08:01,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:08:01,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:08:01,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:08:01,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:08:01,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:08:01,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:08:01,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:08:01,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:08:01,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:08:01,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:08:01,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:08:01,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:08:01,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:08:01,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:08:01,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:08:01,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:08:01,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:08:01,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:08:01,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:08:01,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:08:01,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:08:01,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:08:01,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:08:01,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:08:01,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:08:01,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:08:01,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:08:01,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:08:01,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:08:01,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:08:01,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:08:01,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:08:01,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:08:01,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:08:01,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:08:01,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:08:01,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:08:01,166 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:08:01,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:08:01,167 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:08:01,167 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:08:01,168 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:08:01,168 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:08:01,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:08:01,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:08:01,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:08:01,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:08:01,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:08:01,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:08:01,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:08:01,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:08:01,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:08:01,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:08:01,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:08:01,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:08:01,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:08:01,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:08:01,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:01,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:08:01,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:08:01,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:08:01,173 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:08:01,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:08:01,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:08:01,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:08:01,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:08:01,174 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_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c8407b01b6fe267e548d9a1140b4b401c355e8b9b48d0e3e8bb3d2d9d4dce8c [2021-11-12 23:08:01,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:08:01,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:08:01,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:08:01,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:08:01,603 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:08:01,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2021-11-12 23:08:01,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/e1e98e208/7d2ffa8853f5478e9baa9eb08a82a782/FLAG226ae3559 [2021-11-12 23:08:02,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:08:02,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2021-11-12 23:08:02,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/e1e98e208/7d2ffa8853f5478e9baa9eb08a82a782/FLAG226ae3559 [2021-11-12 23:08:03,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/data/e1e98e208/7d2ffa8853f5478e9baa9eb08a82a782 [2021-11-12 23:08:03,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:08:03,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:08:03,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:08:03,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:08:03,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:08:03,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:08:03" (1/1) ... [2021-11-12 23:08:03,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64659254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:03, skipping insertion in model container [2021-11-12 23:08:03,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:08:03" (1/1) ... [2021-11-12 23:08:03,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:08:03,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:08:08,569 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2021-11-12 23:08:08,578 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2021-11-12 23:08:08,579 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2021-11-12 23:08:08,579 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2021-11-12 23:08:08,580 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2021-11-12 23:08:08,581 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2021-11-12 23:08:08,581 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2021-11-12 23:08:08,582 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2021-11-12 23:08:08,582 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2021-11-12 23:08:08,584 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2021-11-12 23:08:08,585 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2021-11-12 23:08:08,588 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2021-11-12 23:08:08,589 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2021-11-12 23:08:08,589 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2021-11-12 23:08:08,590 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2021-11-12 23:08:08,591 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2021-11-12 23:08:08,591 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2021-11-12 23:08:08,602 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2021-11-12 23:08:08,602 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2021-11-12 23:08:08,604 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2021-11-12 23:08:08,605 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2021-11-12 23:08:08,606 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2021-11-12 23:08:08,606 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2021-11-12 23:08:08,607 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2021-11-12 23:08:08,608 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2021-11-12 23:08:08,608 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2021-11-12 23:08:08,609 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2021-11-12 23:08:08,609 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2021-11-12 23:08:08,611 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2021-11-12 23:08:08,613 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2021-11-12 23:08:08,615 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2021-11-12 23:08:08,616 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2021-11-12 23:08:08,619 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2021-11-12 23:08:08,619 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2021-11-12 23:08:08,620 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2021-11-12 23:08:08,620 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2021-11-12 23:08:08,621 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2021-11-12 23:08:08,621 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2021-11-12 23:08:08,622 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2021-11-12 23:08:08,622 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2021-11-12 23:08:08,623 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2021-11-12 23:08:08,624 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2021-11-12 23:08:08,624 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2021-11-12 23:08:08,625 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2021-11-12 23:08:08,625 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2021-11-12 23:08:08,626 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2021-11-12 23:08:08,626 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2021-11-12 23:08:08,628 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2021-11-12 23:08:08,628 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2021-11-12 23:08:08,629 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2021-11-12 23:08:08,629 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2021-11-12 23:08:08,630 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2021-11-12 23:08:08,630 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2021-11-12 23:08:08,630 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2021-11-12 23:08:08,631 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2021-11-12 23:08:08,631 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2021-11-12 23:08:08,632 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2021-11-12 23:08:08,632 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2021-11-12 23:08:08,633 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2021-11-12 23:08:08,633 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2021-11-12 23:08:08,633 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2021-11-12 23:08:08,634 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2021-11-12 23:08:08,635 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2021-11-12 23:08:08,635 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2021-11-12 23:08:08,636 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2021-11-12 23:08:08,636 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2021-11-12 23:08:08,637 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2021-11-12 23:08:08,637 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2021-11-12 23:08:08,637 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2021-11-12 23:08:08,638 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2021-11-12 23:08:08,638 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2021-11-12 23:08:08,639 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2021-11-12 23:08:08,639 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2021-11-12 23:08:08,639 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2021-11-12 23:08:08,640 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2021-11-12 23:08:08,640 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2021-11-12 23:08:08,641 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2021-11-12 23:08:08,641 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2021-11-12 23:08:08,641 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2021-11-12 23:08:08,642 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2021-11-12 23:08:08,643 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2021-11-12 23:08:08,643 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2021-11-12 23:08:08,643 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2021-11-12 23:08:08,644 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2021-11-12 23:08:08,645 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2021-11-12 23:08:08,646 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2021-11-12 23:08:08,646 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2021-11-12 23:08:08,647 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2021-11-12 23:08:08,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:08,780 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:08:08,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:08:09,338 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2021-11-12 23:08:09,339 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2021-11-12 23:08:09,339 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2021-11-12 23:08:09,340 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2021-11-12 23:08:09,340 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2021-11-12 23:08:09,342 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2021-11-12 23:08:09,343 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2021-11-12 23:08:09,343 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2021-11-12 23:08:09,344 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2021-11-12 23:08:09,344 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2021-11-12 23:08:09,344 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2021-11-12 23:08:09,345 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2021-11-12 23:08:09,345 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2021-11-12 23:08:09,346 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2021-11-12 23:08:09,347 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2021-11-12 23:08:09,347 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2021-11-12 23:08:09,348 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2021-11-12 23:08:09,348 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2021-11-12 23:08:09,349 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2021-11-12 23:08:09,350 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2021-11-12 23:08:09,350 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2021-11-12 23:08:09,351 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2021-11-12 23:08:09,352 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2021-11-12 23:08:09,353 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2021-11-12 23:08:09,353 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2021-11-12 23:08:09,353 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2021-11-12 23:08:09,354 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2021-11-12 23:08:09,354 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2021-11-12 23:08:09,355 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2021-11-12 23:08:09,355 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2021-11-12 23:08:09,355 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2021-11-12 23:08:09,356 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2021-11-12 23:08:09,357 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2021-11-12 23:08:09,357 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2021-11-12 23:08:09,357 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2021-11-12 23:08:09,358 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2021-11-12 23:08:09,358 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2021-11-12 23:08:09,359 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2021-11-12 23:08:09,359 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2021-11-12 23:08:09,360 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2021-11-12 23:08:09,360 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2021-11-12 23:08:09,361 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2021-11-12 23:08:09,361 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2021-11-12 23:08:09,361 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2021-11-12 23:08:09,362 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2021-11-12 23:08:09,362 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2021-11-12 23:08:09,363 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2021-11-12 23:08:09,363 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2021-11-12 23:08:09,363 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2021-11-12 23:08:09,364 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2021-11-12 23:08:09,364 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2021-11-12 23:08:09,365 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2021-11-12 23:08:09,365 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2021-11-12 23:08:09,366 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2021-11-12 23:08:09,366 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2021-11-12 23:08:09,366 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2021-11-12 23:08:09,367 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2021-11-12 23:08:09,367 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2021-11-12 23:08:09,368 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2021-11-12 23:08:09,368 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2021-11-12 23:08:09,368 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2021-11-12 23:08:09,369 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2021-11-12 23:08:09,369 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2021-11-12 23:08:09,370 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2021-11-12 23:08:09,374 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2021-11-12 23:08:09,374 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2021-11-12 23:08:09,375 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2021-11-12 23:08:09,376 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2021-11-12 23:08:09,377 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2021-11-12 23:08:09,384 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2021-11-12 23:08:09,384 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2021-11-12 23:08:09,385 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2021-11-12 23:08:09,385 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2021-11-12 23:08:09,386 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2021-11-12 23:08:09,386 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2021-11-12 23:08:09,387 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2021-11-12 23:08:09,387 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2021-11-12 23:08:09,387 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2021-11-12 23:08:09,389 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2021-11-12 23:08:09,389 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2021-11-12 23:08:09,390 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2021-11-12 23:08:09,391 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2021-11-12 23:08:09,391 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2021-11-12 23:08:09,391 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2021-11-12 23:08:09,392 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2021-11-12 23:08:09,392 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2021-11-12 23:08:09,392 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2021-11-12 23:08:09,393 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2021-11-12 23:08:09,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:09,431 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:08:10,119 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479065,479078] [2021-11-12 23:08:10,119 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479210,479223] [2021-11-12 23:08:10,120 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479356,479369] [2021-11-12 23:08:10,120 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479521,479534] [2021-11-12 23:08:10,121 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479679,479692] [2021-11-12 23:08:10,121 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479837,479850] [2021-11-12 23:08:10,121 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[479995,480008] [2021-11-12 23:08:10,122 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480155,480168] [2021-11-12 23:08:10,122 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480314,480327] [2021-11-12 23:08:10,123 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480453,480466] [2021-11-12 23:08:10,123 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480595,480608] [2021-11-12 23:08:10,124 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480744,480757] [2021-11-12 23:08:10,124 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[480883,480896] [2021-11-12 23:08:10,124 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481038,481051] [2021-11-12 23:08:10,125 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481198,481211] [2021-11-12 23:08:10,125 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481349,481362] [2021-11-12 23:08:10,126 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481500,481513] [2021-11-12 23:08:10,126 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481652,481665] [2021-11-12 23:08:10,126 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481801,481814] [2021-11-12 23:08:10,127 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[481949,481962] [2021-11-12 23:08:10,127 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482106,482119] [2021-11-12 23:08:10,128 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482255,482268] [2021-11-12 23:08:10,128 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482411,482424] [2021-11-12 23:08:10,128 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482564,482577] [2021-11-12 23:08:10,129 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482710,482723] [2021-11-12 23:08:10,129 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[482853,482866] [2021-11-12 23:08:10,131 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483005,483018] [2021-11-12 23:08:10,132 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483151,483164] [2021-11-12 23:08:10,132 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483296,483309] [2021-11-12 23:08:10,133 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483450,483463] [2021-11-12 23:08:10,133 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483601,483614] [2021-11-12 23:08:10,133 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483756,483769] [2021-11-12 23:08:10,134 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[483908,483921] [2021-11-12 23:08:10,139 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484063,484076] [2021-11-12 23:08:10,140 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484227,484240] [2021-11-12 23:08:10,140 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484383,484396] [2021-11-12 23:08:10,141 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484547,484560] [2021-11-12 23:08:10,141 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484689,484702] [2021-11-12 23:08:10,141 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[484847,484860] [2021-11-12 23:08:10,142 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485014,485027] [2021-11-12 23:08:10,142 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485173,485186] [2021-11-12 23:08:10,143 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485332,485345] [2021-11-12 23:08:10,143 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485481,485494] [2021-11-12 23:08:10,149 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485628,485641] [2021-11-12 23:08:10,150 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485767,485780] [2021-11-12 23:08:10,150 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[485930,485943] [2021-11-12 23:08:10,150 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486096,486109] [2021-11-12 23:08:10,151 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486260,486273] [2021-11-12 23:08:10,151 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486425,486438] [2021-11-12 23:08:10,151 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486590,486603] [2021-11-12 23:08:10,152 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486756,486769] [2021-11-12 23:08:10,152 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[486921,486934] [2021-11-12 23:08:10,153 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487088,487101] [2021-11-12 23:08:10,153 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487248,487261] [2021-11-12 23:08:10,153 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487410,487423] [2021-11-12 23:08:10,154 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487569,487582] [2021-11-12 23:08:10,154 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487715,487728] [2021-11-12 23:08:10,155 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[487858,487871] [2021-11-12 23:08:10,155 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488002,488015] [2021-11-12 23:08:10,155 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488145,488158] [2021-11-12 23:08:10,156 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488289,488302] [2021-11-12 23:08:10,156 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488430,488443] [2021-11-12 23:08:10,156 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488568,488581] [2021-11-12 23:08:10,157 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488726,488739] [2021-11-12 23:08:10,157 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[488885,488898] [2021-11-12 23:08:10,158 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489041,489054] [2021-11-12 23:08:10,158 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489190,489203] [2021-11-12 23:08:10,158 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489342,489355] [2021-11-12 23:08:10,159 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489493,489506] [2021-11-12 23:08:10,159 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489642,489655] [2021-11-12 23:08:10,159 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489794,489807] [2021-11-12 23:08:10,160 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[489942,489955] [2021-11-12 23:08:10,160 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490095,490108] [2021-11-12 23:08:10,161 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490246,490259] [2021-11-12 23:08:10,161 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490396,490409] [2021-11-12 23:08:10,161 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490543,490556] [2021-11-12 23:08:10,162 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490694,490707] [2021-11-12 23:08:10,162 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490845,490858] [2021-11-12 23:08:10,162 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[490993,491006] [2021-11-12 23:08:10,163 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491159,491172] [2021-11-12 23:08:10,163 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491328,491341] [2021-11-12 23:08:10,164 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491495,491508] [2021-11-12 23:08:10,164 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491663,491676] [2021-11-12 23:08:10,164 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491813,491826] [2021-11-12 23:08:10,165 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[491960,491973] [2021-11-12 23:08:10,165 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492121,492134] [2021-11-12 23:08:10,165 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492291,492304] [2021-11-12 23:08:10,166 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_67710918-ed58-4dc0-aa56-4f075f4a5935/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i[492453,492466] [2021-11-12 23:08:10,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:08:10,541 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:08:10,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10 WrapperNode [2021-11-12 23:08:10,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:08:10,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:10,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:08:10,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:08:10,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:10,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:10,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:08:10,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:08:10,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:08:10,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:08:10,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:10,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:08:11,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:08:11,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:08:11,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:08:11,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (1/1) ... [2021-11-12 23:08:11,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:08:11,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:08:11,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:08:11,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:08:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___2 [2021-11-12 23:08:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___2 [2021-11-12 23:08:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh___3 [2021-11-12 23:08:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh___3 [2021-11-12 23:08:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure set_nlink [2021-11-12 23:08:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure set_nlink [2021-11-12 23:08:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_uncompress [2021-11-12 23:08:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_uncompress [2021-11-12 23:08:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:08:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:08:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:08:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-11-12 23:08:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-11-12 23:08:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:08:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:08:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-12 23:08:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-12 23:08:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ll_rw_block [2021-11-12 23:08:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_rw_block [2021-11-12 23:08:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:08:11,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:08:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:08:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:08:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-12 23:08:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-12 23:08:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:08:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:08:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_finish_page [2021-11-12 23:08:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_finish_page [2021-11-12 23:08:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:08:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:08:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:08:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:08:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_uncompress [2021-11-12 23:08:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_uncompress [2021-11-12 23:08:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2021-11-12 23:08:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_meta_index_mutex_of_squashfs_sb_info [2021-11-12 23:08:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:08:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:08:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_data [2021-11-12 23:08:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_data [2021-11-12 23:08:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:08:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:08:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:08:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:08:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_inodecache [2021-11-12 23:08:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_inodecache [2021-11-12 23:08:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_inode [2021-11-12 23:08:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_inode [2021-11-12 23:08:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:08:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_free [2021-11-12 23:08:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_free [2021-11-12 23:08:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure init_special_inode [2021-11-12 23:08:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure init_special_inode [2021-11-12 23:08:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:08:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:08:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_free [2021-11-12 23:08:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_free [2021-11-12 23:08:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:08:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:08:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_frag_lookup [2021-11-12 23:08:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_frag_lookup [2021-11-12 23:08:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:08:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:08:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-12 23:08:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-12 23:08:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure init_once [2021-11-12 23:08:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure init_once [2021-11-12 23:08:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure sb_bread [2021-11-12 23:08:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_bread [2021-11-12 23:08:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_init [2021-11-12 23:08:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_init [2021-11-12 23:08:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:08:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:08:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:08:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:08:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:08:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:08:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:08:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:08:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure read_indexes [2021-11-12 23:08:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure read_indexes [2021-11-12 23:08:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:08:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:08:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure new_decode_dev [2021-11-12 23:08:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure new_decode_dev [2021-11-12 23:08:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:08:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:08:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:08:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:08:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:08:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:08:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-12 23:08:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-12 23:08:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_i [2021-11-12 23:08:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_i [2021-11-12 23:08:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-12 23:08:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-12 23:08:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:08:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:08:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_next_page [2021-11-12 23:08:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_next_page [2021-11-12 23:08:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:08:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:08:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_export_iget [2021-11-12 23:08:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_export_iget [2021-11-12 23:08:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:08:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2021-11-12 23:08:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_meta_index_mutex_of_squashfs_sb_info [2021-11-12 23:08:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_user_list [2021-11-12 23:08:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_user_list [2021-11-12 23:08:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-12 23:08:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-12 23:08:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_uncompress [2021-11-12 23:08:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_uncompress [2021-11-12 23:08:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:08:11,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:08:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:08:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:08:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:08:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:08:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:08:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:08:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:08:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_statfs [2021-11-12 23:08:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_statfs [2021-11-12 23:08:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure release_meta_index [2021-11-12 23:08:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure release_meta_index [2021-11-12 23:08:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-12 23:08:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-12 23:08:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:08:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:08:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_delete [2021-11-12 23:08:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_delete [2021-11-12 23:08:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_comp_opts [2021-11-12 23:08:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_comp_opts [2021-11-12 23:08:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:08:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:08:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:08:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-12 23:08:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-12 23:08:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:08:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:08:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_metadata [2021-11-12 23:08:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_metadata [2021-11-12 23:08:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:08:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_read_data [2021-11-12 23:08:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_read_data [2021-11-12 23:08:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure kill_block_super [2021-11-12 23:08:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_block_super [2021-11-12 23:08:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2021-11-12 23:08:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2021-11-12 23:08:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:08:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure dir_emit [2021-11-12 23:08:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dir_emit [2021-11-12 23:08:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:08:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:08:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:08:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:08:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:08:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:08:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_security_list [2021-11-12 23:08:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_security_list [2021-11-12 23:08:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:08:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:08:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2021-11-12 23:08:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_squashfs_stream [2021-11-12 23:08:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageError [2021-11-12 23:08:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageError [2021-11-12 23:08:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_iget [2021-11-12 23:08:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_iget [2021-11-12 23:08:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xattr_get [2021-11-12 23:08:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xattr_get [2021-11-12 23:08:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure lzo_init [2021-11-12 23:08:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lzo_init [2021-11-12 23:08:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:08:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:08:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_get_id [2021-11-12 23:08:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_get_id [2021-11-12 23:08:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-12 23:08:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-12 23:08:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:08:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:08:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-12 23:08:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-12 23:08:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-12 23:08:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-12 23:08:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:08:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:08:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_copy_cache [2021-11-12 23:08:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_copy_cache [2021-11-12 23:08:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:08:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:08:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:08:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2021-11-12 23:08:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2021-11-12 23:08:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:08:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:08:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:08:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure page_follow_link_light [2021-11-12 23:08:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure page_follow_link_light [2021-11-12 23:08:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure put_bh [2021-11-12 23:08:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure put_bh [2021-11-12 23:08:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_free [2021-11-12 23:08:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_free [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:08:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_symlink_readpage [2021-11-12 23:08:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_symlink_readpage [2021-11-12 23:08:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:08:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:08:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:08:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:08:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:08:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:08:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_trusted_list [2021-11-12 23:08:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_trusted_list [2021-11-12 23:08:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:08:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:08:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:08:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:08:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:08:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:08:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:08:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:08:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-11-12 23:08:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-11-12 23:08:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_decompressor_destroy [2021-11-12 23:08:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_decompressor_destroy [2021-11-12 23:08:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_get [2021-11-12 23:08:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_get [2021-11-12 23:08:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:08:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:08:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:08:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:08:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_destroy_inode [2021-11-12 23:08:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_destroy_inode [2021-11-12 23:08:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:08:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:08:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:08:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:08:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readdir [2021-11-12 23:08:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readdir [2021-11-12 23:08:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:08:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:08:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:08:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_first_page [2021-11-12 23:08:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_first_page [2021-11-12 23:08:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:08:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_readpage [2021-11-12 23:08:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_readpage [2021-11-12 23:08:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:08:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:08:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:08:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:08:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2021-11-12 23:08:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2021-11-12 23:08:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_cache_put [2021-11-12 23:08:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_cache_put [2021-11-12 23:08:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2021-11-12 23:08:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2021-11-12 23:08:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:08:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:08:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-12 23:08:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-12 23:08:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure lz4_init [2021-11-12 23:08:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lz4_init [2021-11-12 23:08:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:08:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:08:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:08:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:08:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure zlib_init [2021-11-12 23:08:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure zlib_init [2021-11-12 23:08:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:08:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:08:11,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:08:11,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:08:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure sb_getblk [2021-11-12 23:08:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_getblk [2021-11-12 23:08:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_xz_comp_opts [2021-11-12 23:08:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_xz_comp_opts [2021-11-12 23:08:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure squashfs_put_super [2021-11-12 23:08:11,566 INFO L138 BoogieDeclarations]: Found implementation of procedure squashfs_put_super [2021-11-12 23:08:11,566 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-12 23:08:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-12 23:08:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-12 23:08:17,241 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:10:06,912 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:10:06,913 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-12 23:10:06,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:06 BoogieIcfgContainer [2021-11-12 23:10:06,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:10:06,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:10:06,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:10:06,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:10:06,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:08:03" (1/3) ... [2021-11-12 23:10:06,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7613d697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:06, skipping insertion in model container [2021-11-12 23:10:06,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:08:10" (2/3) ... [2021-11-12 23:10:06,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7613d697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:10:06, skipping insertion in model container [2021-11-12 23:10:06,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:10:06" (3/3) ... [2021-11-12 23:10:06,928 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---fs--squashfs--squashfs.ko.cil.i [2021-11-12 23:10:06,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:10:06,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2021-11-12 23:10:07,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:10:07,014 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:10:07,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2021-11-12 23:10:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 2538 states, 1733 states have (on average 1.3185227928447778) internal successors, (2285), 1826 states have internal predecessors, (2285), 643 states have call successors, (643), 129 states have call predecessors, (643), 128 states have return successors, (633), 616 states have call predecessors, (633), 633 states have call successors, (633) [2021-11-12 23:10:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-12 23:10:07,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:07,103 INFO L514 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] [2021-11-12 23:10:07,104 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:10:07,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:07,109 INFO L85 PathProgramCache]: Analyzing trace with hash -65146246, now seen corresponding path program 1 times [2021-11-12 23:10:07,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:07,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923938862] [2021-11-12 23:10:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:07,147 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:07,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:07,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:07,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:10:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:23,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:10:23,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:10:24,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:10:24,988 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:24,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923938862] [2021-11-12 23:10:24,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923938862] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:24,988 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:24,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-12 23:10:24,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868855781] [2021-11-12 23:10:24,991 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:24,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:10:24,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:25,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:10:25,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:10:25,030 INFO L87 Difference]: Start difference. First operand has 2538 states, 1733 states have (on average 1.3185227928447778) internal successors, (2285), 1826 states have internal predecessors, (2285), 643 states have call successors, (643), 129 states have call predecessors, (643), 128 states have return successors, (633), 616 states have call predecessors, (633), 633 states have call successors, (633) Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:10:46,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:46,775 INFO L93 Difference]: Finished difference Result 10022 states and 14627 transitions. [2021-11-12 23:10:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:10:46,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2021-11-12 23:10:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:46,861 INFO L225 Difference]: With dead ends: 10022 [2021-11-12 23:10:46,862 INFO L226 Difference]: Without dead ends: 7446 [2021-11-12 23:10:46,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:10:46,902 INFO L933 BasicCegarLoop]: 4942 mSDtfsCounter, 9699 mSDsluCounter, 25793 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 1952 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18361.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9729 SdHoareTripleChecker+Valid, 30735 SdHoareTripleChecker+Invalid, 4191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 145.33ms SdHoareTripleChecker+Time, 1952 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20515.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:46,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9729 Valid, 30735 Invalid, 4191 Unknown, 0 Unchecked, 145.33ms Time], IncrementalHoareTripleChecker [1952 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 20515.07ms Time] [2021-11-12 23:10:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7446 states. [2021-11-12 23:10:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7446 to 4758. [2021-11-12 23:10:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3265 states have (on average 1.2808575803981623) internal successors, (4182), 3402 states have internal predecessors, (4182), 1224 states have call successors, (1224), 236 states have call predecessors, (1224), 236 states have return successors, (1239), 1187 states have call predecessors, (1239), 1222 states have call successors, (1239) [2021-11-12 23:10:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6645 transitions. [2021-11-12 23:10:47,363 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6645 transitions. Word has length 47 [2021-11-12 23:10:47,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:47,364 INFO L470 AbstractCegarLoop]: Abstraction has 4758 states and 6645 transitions. [2021-11-12 23:10:47,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-12 23:10:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6645 transitions. [2021-11-12 23:10:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-12 23:10:47,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:47,369 INFO L514 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] [2021-11-12 23:10:47,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:47,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:47,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:10:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:47,591 INFO L85 PathProgramCache]: Analyzing trace with hash -3106632, now seen corresponding path program 1 times [2021-11-12 23:10:47,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:47,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345264047] [2021-11-12 23:10:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:47,602 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:47,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:47,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:47,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:11:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:03,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 2315 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:11:03,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:11:03,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-12 23:11:04,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:04,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1345264047] [2021-11-12 23:11:04,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1345264047] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:04,075 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:04,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:11:04,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638669465] [2021-11-12 23:11:04,075 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:04,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:11:04,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:04,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:11:04,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:11:04,077 INFO L87 Difference]: Start difference. First operand 4758 states and 6645 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:11:07,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:07,250 INFO L93 Difference]: Finished difference Result 10482 states and 14774 transitions. [2021-11-12 23:11:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:11:07,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2021-11-12 23:11:07,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:07,306 INFO L225 Difference]: With dead ends: 10482 [2021-11-12 23:11:07,307 INFO L226 Difference]: Without dead ends: 5742 [2021-11-12 23:11:07,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:11:07,334 INFO L933 BasicCegarLoop]: 3835 mSDtfsCounter, 2257 mSDsluCounter, 15161 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2370.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 18996 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.91ms SdHoareTripleChecker+Time, 830 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2648.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:07,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2465 Valid, 18996 Invalid, 1067 Unknown, 0 Unchecked, 44.91ms Time], IncrementalHoareTripleChecker [830 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 2648.26ms Time] [2021-11-12 23:11:07,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5742 states. [2021-11-12 23:11:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5742 to 4604. [2021-11-12 23:11:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4604 states, 3166 states have (on average 1.281111813013266) internal successors, (4056), 3291 states have internal predecessors, (4056), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:11:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4604 states to 4604 states and 6419 transitions. [2021-11-12 23:11:07,658 INFO L78 Accepts]: Start accepts. Automaton has 4604 states and 6419 transitions. Word has length 47 [2021-11-12 23:11:07,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:07,659 INFO L470 AbstractCegarLoop]: Abstraction has 4604 states and 6419 transitions. [2021-11-12 23:11:07,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-12 23:11:07,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4604 states and 6419 transitions. [2021-11-12 23:11:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-12 23:11:07,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:07,671 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:11:07,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:07,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:07,893 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:11:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:07,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1549467318, now seen corresponding path program 1 times [2021-11-12 23:11:07,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:07,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103091066] [2021-11-12 23:11:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:07,903 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:07,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:07,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:07,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:11:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:24,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 2347 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:11:24,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:11:25,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:11:25,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:25,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2103091066] [2021-11-12 23:11:25,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2103091066] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:25,722 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:25,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:11:25,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387088817] [2021-11-12 23:11:25,723 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:25,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:11:25,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:25,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:11:25,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:11:25,724 INFO L87 Difference]: Start difference. First operand 4604 states and 6419 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:11:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:26,017 INFO L93 Difference]: Finished difference Result 4604 states and 6419 transitions. [2021-11-12 23:11:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:11:26,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 63 [2021-11-12 23:11:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:26,056 INFO L225 Difference]: With dead ends: 4604 [2021-11-12 23:11:26,056 INFO L226 Difference]: Without dead ends: 4602 [2021-11-12 23:11:26,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:11:26,068 INFO L933 BasicCegarLoop]: 3420 mSDtfsCounter, 3391 mSDsluCounter, 6804 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 10224 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:26,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3393 Valid, 10224 Invalid, 5 Unknown, 0 Unchecked, 23.71ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 25.96ms Time] [2021-11-12 23:11:26,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4602 states. [2021-11-12 23:11:26,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4602 to 4602. [2021-11-12 23:11:26,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4602 states, 3165 states have (on average 1.280568720379147) internal successors, (4053), 3289 states have internal predecessors, (4053), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:11:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4602 states to 4602 states and 6416 transitions. [2021-11-12 23:11:26,376 INFO L78 Accepts]: Start accepts. Automaton has 4602 states and 6416 transitions. Word has length 63 [2021-11-12 23:11:26,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:26,379 INFO L470 AbstractCegarLoop]: Abstraction has 4602 states and 6416 transitions. [2021-11-12 23:11:26,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:11:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4602 states and 6416 transitions. [2021-11-12 23:11:26,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-12 23:11:26,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:26,383 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:11:26,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:26,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:26,584 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:11:26,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:26,584 INFO L85 PathProgramCache]: Analyzing trace with hash -45646262, now seen corresponding path program 1 times [2021-11-12 23:11:26,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:26,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147262665] [2021-11-12 23:11:26,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:26,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:26,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:26,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:11:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:43,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:11:43,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:11:44,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:11:44,496 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:44,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147262665] [2021-11-12 23:11:44,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147262665] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:44,496 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:44,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:11:44,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602891079] [2021-11-12 23:11:44,497 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:44,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:11:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:11:44,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:11:44,499 INFO L87 Difference]: Start difference. First operand 4602 states and 6416 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:11:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:44,784 INFO L93 Difference]: Finished difference Result 4602 states and 6416 transitions. [2021-11-12 23:11:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:11:44,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 65 [2021-11-12 23:11:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:44,825 INFO L225 Difference]: With dead ends: 4602 [2021-11-12 23:11:44,826 INFO L226 Difference]: Without dead ends: 4600 [2021-11-12 23:11:44,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:11:44,833 INFO L933 BasicCegarLoop]: 3419 mSDtfsCounter, 3368 mSDsluCounter, 6834 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 10253 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.61ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:44,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3370 Valid, 10253 Invalid, 2 Unknown, 0 Unchecked, 25.74ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.61ms Time] [2021-11-12 23:11:44,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2021-11-12 23:11:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 4600. [2021-11-12 23:11:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4600 states, 3164 states have (on average 1.2803413400758534) internal successors, (4051), 3287 states have internal predecessors, (4051), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:11:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 4600 states and 6414 transitions. [2021-11-12 23:11:45,188 INFO L78 Accepts]: Start accepts. Automaton has 4600 states and 6414 transitions. Word has length 65 [2021-11-12 23:11:45,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:45,189 INFO L470 AbstractCegarLoop]: Abstraction has 4600 states and 6414 transitions. [2021-11-12 23:11:45,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:11:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4600 states and 6414 transitions. [2021-11-12 23:11:45,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-12 23:11:45,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:45,193 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:11:45,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:45,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:45,407 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:11:45,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:45,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2121609063, now seen corresponding path program 1 times [2021-11-12 23:11:45,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:45,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909816893] [2021-11-12 23:11:45,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:45,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:45,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:45,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:45,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:12:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:02,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:02,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:03,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:03,776 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:03,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909816893] [2021-11-12 23:12:03,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [909816893] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:03,777 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:03,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:03,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396628293] [2021-11-12 23:12:03,777 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:03,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:03,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:03,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:03,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:03,778 INFO L87 Difference]: Start difference. First operand 4600 states and 6414 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:04,064 INFO L93 Difference]: Finished difference Result 4600 states and 6414 transitions. [2021-11-12 23:12:04,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:04,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 66 [2021-11-12 23:12:04,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:04,127 INFO L225 Difference]: With dead ends: 4600 [2021-11-12 23:12:04,128 INFO L226 Difference]: Without dead ends: 4598 [2021-11-12 23:12:04,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:04,136 INFO L933 BasicCegarLoop]: 3416 mSDtfsCounter, 3393 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 6819 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.71ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:04,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3395 Valid, 6819 Invalid, 4 Unknown, 0 Unchecked, 14.71ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 19.02ms Time] [2021-11-12 23:12:04,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4598 states. [2021-11-12 23:12:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4598 to 4598. [2021-11-12 23:12:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4598 states, 3163 states have (on average 1.279797660448941) internal successors, (4048), 3285 states have internal predecessors, (4048), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:12:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 6411 transitions. [2021-11-12 23:12:04,491 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 6411 transitions. Word has length 66 [2021-11-12 23:12:04,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:04,492 INFO L470 AbstractCegarLoop]: Abstraction has 4598 states and 6411 transitions. [2021-11-12 23:12:04,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 6411 transitions. [2021-11-12 23:12:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:12:04,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:04,494 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:12:04,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:04,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:04,717 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:12:04,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:04,718 INFO L85 PathProgramCache]: Analyzing trace with hash -110838174, now seen corresponding path program 1 times [2021-11-12 23:12:04,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:04,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592159052] [2021-11-12 23:12:04,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:04,730 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:04,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:04,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:04,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:12:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:21,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:21,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:22,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:23,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:23,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592159052] [2021-11-12 23:12:23,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592159052] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:23,033 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:23,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:23,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172076839] [2021-11-12 23:12:23,033 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:23,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:23,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:23,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:23,035 INFO L87 Difference]: Start difference. First operand 4598 states and 6411 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:23,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:23,325 INFO L93 Difference]: Finished difference Result 4598 states and 6411 transitions. [2021-11-12 23:12:23,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:23,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 69 [2021-11-12 23:12:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:23,348 INFO L225 Difference]: With dead ends: 4598 [2021-11-12 23:12:23,348 INFO L226 Difference]: Without dead ends: 4596 [2021-11-12 23:12:23,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:23,353 INFO L933 BasicCegarLoop]: 3414 mSDtfsCounter, 3369 mSDsluCounter, 6812 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3371 SdHoareTripleChecker+Valid, 10226 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.46ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:23,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3371 Valid, 10226 Invalid, 5 Unknown, 0 Unchecked, 16.37ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 26.46ms Time] [2021-11-12 23:12:23,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4596 states. [2021-11-12 23:12:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4596 to 4596. [2021-11-12 23:12:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4596 states, 3162 states have (on average 1.2792536369386465) internal successors, (4045), 3283 states have internal predecessors, (4045), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:12:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4596 states to 4596 states and 6408 transitions. [2021-11-12 23:12:23,656 INFO L78 Accepts]: Start accepts. Automaton has 4596 states and 6408 transitions. Word has length 69 [2021-11-12 23:12:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:23,656 INFO L470 AbstractCegarLoop]: Abstraction has 4596 states and 6408 transitions. [2021-11-12 23:12:23,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 4596 states and 6408 transitions. [2021-11-12 23:12:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-12 23:12:23,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:23,658 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:12:23,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:12:23,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:23,885 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:12:23,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:23,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1199083787, now seen corresponding path program 1 times [2021-11-12 23:12:23,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:23,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953218667] [2021-11-12 23:12:23,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:23,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:23,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:23,893 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:12:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:39,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 2339 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:39,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:12:40,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:40,638 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:12:40,638 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:40,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953218667] [2021-11-12 23:12:40,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953218667] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:40,638 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:40,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:40,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030548662] [2021-11-12 23:12:40,639 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:40,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:40,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:40,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:40,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:40,640 INFO L87 Difference]: Start difference. First operand 4596 states and 6408 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:12:40,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:40,927 INFO L93 Difference]: Finished difference Result 4596 states and 6408 transitions. [2021-11-12 23:12:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:40,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 71 [2021-11-12 23:12:40,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:40,947 INFO L225 Difference]: With dead ends: 4596 [2021-11-12 23:12:40,947 INFO L226 Difference]: Without dead ends: 4594 [2021-11-12 23:12:40,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:40,952 INFO L933 BasicCegarLoop]: 3413 mSDtfsCounter, 3359 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 6824 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:40,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3361 Valid, 6824 Invalid, 2 Unknown, 0 Unchecked, 12.90ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.67ms Time] [2021-11-12 23:12:40,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2021-11-12 23:12:41,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4594. [2021-11-12 23:12:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4594 states, 3161 states have (on average 1.2790256248022778) internal successors, (4043), 3281 states have internal predecessors, (4043), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:12:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4594 states to 4594 states and 6406 transitions. [2021-11-12 23:12:41,272 INFO L78 Accepts]: Start accepts. Automaton has 4594 states and 6406 transitions. Word has length 71 [2021-11-12 23:12:41,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:41,274 INFO L470 AbstractCegarLoop]: Abstraction has 4594 states and 6406 transitions. [2021-11-12 23:12:41,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:12:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4594 states and 6406 transitions. [2021-11-12 23:12:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-12 23:12:41,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:41,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-12 23:12:41,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:41,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:41,495 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:12:41,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:41,496 INFO L85 PathProgramCache]: Analyzing trace with hash 855850629, now seen corresponding path program 1 times [2021-11-12 23:12:41,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:41,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301880348] [2021-11-12 23:12:41,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:41,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:41,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:41,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:12:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:57,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:57,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:58,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:12:58,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:58,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301880348] [2021-11-12 23:12:58,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301880348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:58,534 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:58,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:58,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114528306] [2021-11-12 23:12:58,534 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:58,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:58,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:58,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:58,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:58,536 INFO L87 Difference]: Start difference. First operand 4594 states and 6406 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:58,847 INFO L93 Difference]: Finished difference Result 4594 states and 6406 transitions. [2021-11-12 23:12:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 72 [2021-11-12 23:12:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:58,867 INFO L225 Difference]: With dead ends: 4594 [2021-11-12 23:12:58,867 INFO L226 Difference]: Without dead ends: 4592 [2021-11-12 23:12:58,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:58,872 INFO L933 BasicCegarLoop]: 3410 mSDtfsCounter, 3361 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 6817 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:58,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 6817 Invalid, 4 Unknown, 0 Unchecked, 12.66ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 21.42ms Time] [2021-11-12 23:12:58,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4592 states. [2021-11-12 23:12:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4592 to 4592. [2021-11-12 23:12:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 3160 states have (on average 1.2784810126582278) internal successors, (4040), 3279 states have internal predecessors, (4040), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:12:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 6403 transitions. [2021-11-12 23:12:59,332 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 6403 transitions. Word has length 72 [2021-11-12 23:12:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:59,333 INFO L470 AbstractCegarLoop]: Abstraction has 4592 states and 6403 transitions. [2021-11-12 23:12:59,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:12:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 6403 transitions. [2021-11-12 23:12:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-12 23:12:59,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:59,340 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:12:59,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:59,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:59,557 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:12:59,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:59,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1248733445, now seen corresponding path program 1 times [2021-11-12 23:12:59,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:59,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1374567901] [2021-11-12 23:12:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:59,569 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:59,570 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:13:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:15,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:13:15,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:16,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:16,474 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:16,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1374567901] [2021-11-12 23:13:16,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1374567901] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:16,474 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:16,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:13:16,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759781233] [2021-11-12 23:13:16,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:16,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:13:16,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:16,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:13:16,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:13:16,476 INFO L87 Difference]: Start difference. First operand 4592 states and 6403 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:13:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:16,777 INFO L93 Difference]: Finished difference Result 4592 states and 6403 transitions. [2021-11-12 23:13:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:13:16,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 77 [2021-11-12 23:13:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:16,800 INFO L225 Difference]: With dead ends: 4592 [2021-11-12 23:13:16,801 INFO L226 Difference]: Without dead ends: 4590 [2021-11-12 23:13:16,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:13:16,805 INFO L933 BasicCegarLoop]: 3409 mSDtfsCounter, 3349 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 6816 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:16,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3351 Valid, 6816 Invalid, 2 Unknown, 0 Unchecked, 11.63ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 12.10ms Time] [2021-11-12 23:13:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2021-11-12 23:13:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 4590. [2021-11-12 23:13:17,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4590 states, 3159 states have (on average 1.278252611585945) internal successors, (4038), 3277 states have internal predecessors, (4038), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:13:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4590 states to 4590 states and 6401 transitions. [2021-11-12 23:13:17,136 INFO L78 Accepts]: Start accepts. Automaton has 4590 states and 6401 transitions. Word has length 77 [2021-11-12 23:13:17,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:17,137 INFO L470 AbstractCegarLoop]: Abstraction has 4590 states and 6401 transitions. [2021-11-12 23:13:17,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:13:17,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4590 states and 6401 transitions. [2021-11-12 23:13:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-12 23:13:17,139 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:17,139 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:13:17,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:17,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:17,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:13:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:17,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1541822229, now seen corresponding path program 1 times [2021-11-12 23:13:17,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:17,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902002932] [2021-11-12 23:13:17,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:17,363 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:17,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:17,364 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:17,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:13:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:33,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 2357 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:13:33,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:33,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:34,385 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:34,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902002932] [2021-11-12 23:13:34,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902002932] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:34,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:34,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:13:34,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067618847] [2021-11-12 23:13:34,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:34,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:13:34,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:34,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:13:34,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:13:34,387 INFO L87 Difference]: Start difference. First operand 4590 states and 6401 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:13:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:34,668 INFO L93 Difference]: Finished difference Result 4590 states and 6401 transitions. [2021-11-12 23:13:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:13:34,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 83 [2021-11-12 23:13:34,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:34,687 INFO L225 Difference]: With dead ends: 4590 [2021-11-12 23:13:34,688 INFO L226 Difference]: Without dead ends: 4588 [2021-11-12 23:13:34,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:13:34,692 INFO L933 BasicCegarLoop]: 3407 mSDtfsCounter, 3338 mSDsluCounter, 6810 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3340 SdHoareTripleChecker+Valid, 10217 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.45ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:34,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3340 Valid, 10217 Invalid, 2 Unknown, 0 Unchecked, 12.45ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.14ms Time] [2021-11-12 23:13:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4588 states. [2021-11-12 23:13:35,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4588 to 4588. [2021-11-12 23:13:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 3158 states have (on average 1.2780240658644713) internal successors, (4036), 3275 states have internal predecessors, (4036), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:13:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 6399 transitions. [2021-11-12 23:13:35,045 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 6399 transitions. Word has length 83 [2021-11-12 23:13:35,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:35,046 INFO L470 AbstractCegarLoop]: Abstraction has 4588 states and 6399 transitions. [2021-11-12 23:13:35,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:13:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 6399 transitions. [2021-11-12 23:13:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-12 23:13:35,049 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:35,049 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:13:35,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:35,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:35,273 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:13:35,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:35,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1527502308, now seen corresponding path program 1 times [2021-11-12 23:13:35,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:35,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280653876] [2021-11-12 23:13:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:35,283 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:35,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:35,284 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:35,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:13:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:50,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2366 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:13:50,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:51,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:13:52,106 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:52,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280653876] [2021-11-12 23:13:52,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [280653876] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:52,107 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:52,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:13:52,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851701261] [2021-11-12 23:13:52,107 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:52,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:13:52,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:52,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:13:52,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:13:52,109 INFO L87 Difference]: Start difference. First operand 4588 states and 6399 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:13:52,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:52,433 INFO L93 Difference]: Finished difference Result 4588 states and 6399 transitions. [2021-11-12 23:13:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:13:52,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 89 [2021-11-12 23:13:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:52,448 INFO L225 Difference]: With dead ends: 4588 [2021-11-12 23:13:52,448 INFO L226 Difference]: Without dead ends: 4586 [2021-11-12 23:13:52,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:13:52,451 INFO L933 BasicCegarLoop]: 3405 mSDtfsCounter, 3333 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 6808 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.60ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:52,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3335 Valid, 6808 Invalid, 2 Unknown, 0 Unchecked, 7.60ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.40ms Time] [2021-11-12 23:13:52,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4586 states. [2021-11-12 23:13:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4586 to 4586. [2021-11-12 23:13:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4586 states, 3157 states have (on average 1.277795375356351) internal successors, (4034), 3273 states have internal predecessors, (4034), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:13:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4586 states and 6397 transitions. [2021-11-12 23:13:52,815 INFO L78 Accepts]: Start accepts. Automaton has 4586 states and 6397 transitions. Word has length 89 [2021-11-12 23:13:52,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:52,815 INFO L470 AbstractCegarLoop]: Abstraction has 4586 states and 6397 transitions. [2021-11-12 23:13:52,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:13:52,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4586 states and 6397 transitions. [2021-11-12 23:13:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-12 23:13:52,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:52,819 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:13:52,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:53,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:53,045 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:13:53,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash -411156215, now seen corresponding path program 1 times [2021-11-12 23:13:53,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:53,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990030854] [2021-11-12 23:13:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:53,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:53,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:53,058 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:53,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:14:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:08,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:14:08,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:14:09,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:14:10,128 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:10,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990030854] [2021-11-12 23:14:10,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990030854] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:10,128 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:10,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:14:10,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736884397] [2021-11-12 23:14:10,129 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:10,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:14:10,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:10,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:14:10,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:14:10,130 INFO L87 Difference]: Start difference. First operand 4586 states and 6397 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:14:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:10,373 INFO L93 Difference]: Finished difference Result 4586 states and 6397 transitions. [2021-11-12 23:14:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:14:10,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 95 [2021-11-12 23:14:10,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:10,391 INFO L225 Difference]: With dead ends: 4586 [2021-11-12 23:14:10,391 INFO L226 Difference]: Without dead ends: 4584 [2021-11-12 23:14:10,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:14:10,396 INFO L933 BasicCegarLoop]: 3403 mSDtfsCounter, 3322 mSDsluCounter, 6802 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 10205 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.26ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:10,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3324 Valid, 10205 Invalid, 2 Unknown, 0 Unchecked, 9.43ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.26ms Time] [2021-11-12 23:14:10,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2021-11-12 23:14:10,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4584. [2021-11-12 23:14:10,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 3156 states have (on average 1.2775665399239544) internal successors, (4032), 3271 states have internal predecessors, (4032), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:14:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6395 transitions. [2021-11-12 23:14:10,762 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6395 transitions. Word has length 95 [2021-11-12 23:14:10,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:10,762 INFO L470 AbstractCegarLoop]: Abstraction has 4584 states and 6395 transitions. [2021-11-12 23:14:10,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:14:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6395 transitions. [2021-11-12 23:14:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 23:14:10,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:10,765 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:14:10,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:10,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:10,981 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:14:10,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:10,981 INFO L85 PathProgramCache]: Analyzing trace with hash -843210056, now seen corresponding path program 1 times [2021-11-12 23:14:10,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:10,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194799667] [2021-11-12 23:14:10,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:10,990 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:10,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:10,991 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:14:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:26,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-12 23:14:26,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-12 23:14:28,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-12 23:14:31,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:31,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194799667] [2021-11-12 23:14:31,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194799667] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:31,345 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:31,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 19 [2021-11-12 23:14:31,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447332569] [2021-11-12 23:14:31,345 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:31,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-12 23:14:31,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:31,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-12 23:14:31,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:14:31,347 INFO L87 Difference]: Start difference. First operand 4584 states and 6395 transitions. Second operand has 19 states, 16 states have (on average 4.1875) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (20), 2 states have call predecessors, (20), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-12 23:14:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:34,743 INFO L93 Difference]: Finished difference Result 7603 states and 10642 transitions. [2021-11-12 23:14:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:14:34,744 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 4.1875) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (20), 2 states have call predecessors, (20), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) Word has length 100 [2021-11-12 23:14:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:34,769 INFO L225 Difference]: With dead ends: 7603 [2021-11-12 23:14:34,769 INFO L226 Difference]: Without dead ends: 5162 [2021-11-12 23:14:34,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:14:34,784 INFO L933 BasicCegarLoop]: 4247 mSDtfsCounter, 510 mSDsluCounter, 53731 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2246.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 57978 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.42ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2416.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:34,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [735 Valid, 57978 Invalid, 452 Unknown, 0 Unchecked, 56.42ms Time], IncrementalHoareTripleChecker [8 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 2416.78ms Time] [2021-11-12 23:14:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2021-11-12 23:14:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 4584. [2021-11-12 23:14:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4584 states, 3156 states have (on average 1.2772496831432192) internal successors, (4031), 3271 states have internal predecessors, (4031), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:14:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4584 states to 4584 states and 6394 transitions. [2021-11-12 23:14:35,203 INFO L78 Accepts]: Start accepts. Automaton has 4584 states and 6394 transitions. Word has length 100 [2021-11-12 23:14:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:35,204 INFO L470 AbstractCegarLoop]: Abstraction has 4584 states and 6394 transitions. [2021-11-12 23:14:35,204 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 4.1875) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (20), 2 states have call predecessors, (20), 6 states have return successors, (20), 9 states have call predecessors, (20), 6 states have call successors, (20) [2021-11-12 23:14:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4584 states and 6394 transitions. [2021-11-12 23:14:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-12 23:14:35,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:35,207 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:14:35,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:35,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:35,407 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:14:35,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:35,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1987585461, now seen corresponding path program 1 times [2021-11-12 23:14:35,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:35,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708597885] [2021-11-12 23:14:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:35,421 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:35,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:35,422 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:35,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:14:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:51,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:14:51,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:14:52,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:14:52,919 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:52,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708597885] [2021-11-12 23:14:52,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708597885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:52,919 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:14:52,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:14:52,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255058949] [2021-11-12 23:14:52,920 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:52,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:14:52,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:52,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:14:52,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:14:52,921 INFO L87 Difference]: Start difference. First operand 4584 states and 6394 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:14:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:53,217 INFO L93 Difference]: Finished difference Result 4584 states and 6394 transitions. [2021-11-12 23:14:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:14:53,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 101 [2021-11-12 23:14:53,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:53,237 INFO L225 Difference]: With dead ends: 4584 [2021-11-12 23:14:53,238 INFO L226 Difference]: Without dead ends: 4582 [2021-11-12 23:14:53,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:14:53,242 INFO L933 BasicCegarLoop]: 3400 mSDtfsCounter, 3313 mSDsluCounter, 6796 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 10196 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:53,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3315 Valid, 10196 Invalid, 2 Unknown, 0 Unchecked, 10.51ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.70ms Time] [2021-11-12 23:14:53,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-11-12 23:14:53,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4582. [2021-11-12 23:14:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4582 states, 3155 states have (on average 1.2770206022187005) internal successors, (4029), 3269 states have internal predecessors, (4029), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:14:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4582 states to 4582 states and 6392 transitions. [2021-11-12 23:14:53,666 INFO L78 Accepts]: Start accepts. Automaton has 4582 states and 6392 transitions. Word has length 101 [2021-11-12 23:14:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:53,669 INFO L470 AbstractCegarLoop]: Abstraction has 4582 states and 6392 transitions. [2021-11-12 23:14:53,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:14:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 4582 states and 6392 transitions. [2021-11-12 23:14:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-12 23:14:53,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:53,672 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:14:53,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:53,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:53,893 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:14:53,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash -604703979, now seen corresponding path program 1 times [2021-11-12 23:14:53,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:53,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243505673] [2021-11-12 23:14:53,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:53,906 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:53,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:53,908 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:53,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:15:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:09,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:15:09,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:15:11,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:15:11,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:11,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243505673] [2021-11-12 23:15:11,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243505673] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:15:11,689 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:15:11,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-12 23:15:11,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935371542] [2021-11-12 23:15:11,690 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:11,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:15:11,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:11,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:15:11,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:15:11,691 INFO L87 Difference]: Start difference. First operand 4582 states and 6392 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:15:14,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:15:22,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:22,544 INFO L93 Difference]: Finished difference Result 9100 states and 12877 transitions. [2021-11-12 23:15:22,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:15:22,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 104 [2021-11-12 23:15:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:22,565 INFO L225 Difference]: With dead ends: 9100 [2021-11-12 23:15:22,565 INFO L226 Difference]: Without dead ends: 4582 [2021-11-12 23:15:22,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:15:22,596 INFO L933 BasicCegarLoop]: 3398 mSDtfsCounter, 3334 mSDsluCounter, 8911 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9541.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3340 SdHoareTripleChecker+Valid, 12309 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.82ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10256.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:22,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3340 Valid, 12309 Invalid, 1277 Unknown, 0 Unchecked, 31.82ms Time], IncrementalHoareTripleChecker [1 Valid, 1275 Invalid, 1 Unknown, 0 Unchecked, 10256.05ms Time] [2021-11-12 23:15:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4582 states. [2021-11-12 23:15:23,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4582 to 4582. [2021-11-12 23:15:23,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4582 states, 3155 states have (on average 1.2763866877971475) internal successors, (4027), 3269 states have internal predecessors, (4027), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:15:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4582 states to 4582 states and 6390 transitions. [2021-11-12 23:15:23,058 INFO L78 Accepts]: Start accepts. Automaton has 4582 states and 6390 transitions. Word has length 104 [2021-11-12 23:15:23,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:23,059 INFO L470 AbstractCegarLoop]: Abstraction has 4582 states and 6390 transitions. [2021-11-12 23:15:23,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:15:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4582 states and 6390 transitions. [2021-11-12 23:15:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-12 23:15:23,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:23,062 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:15:23,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:23,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:23,285 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:15:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:23,285 INFO L85 PathProgramCache]: Analyzing trace with hash -604644397, now seen corresponding path program 1 times [2021-11-12 23:15:23,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:23,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426364958] [2021-11-12 23:15:23,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:23,296 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:23,297 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:23,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:15:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:39,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:15:39,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:15:39,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:15:39,938 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:39,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426364958] [2021-11-12 23:15:39,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426364958] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:15:39,939 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:15:39,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:15:39,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809748978] [2021-11-12 23:15:39,939 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:39,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:15:39,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:39,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:15:39,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:15:39,940 INFO L87 Difference]: Start difference. First operand 4582 states and 6390 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-12 23:15:40,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:40,224 INFO L93 Difference]: Finished difference Result 4582 states and 6390 transitions. [2021-11-12 23:15:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:15:40,225 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2021-11-12 23:15:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:40,238 INFO L225 Difference]: With dead ends: 4582 [2021-11-12 23:15:40,239 INFO L226 Difference]: Without dead ends: 4580 [2021-11-12 23:15:40,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:15:40,242 INFO L933 BasicCegarLoop]: 3397 mSDtfsCounter, 34 mSDsluCounter, 10157 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 13554 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:40,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 13554 Invalid, 4 Unknown, 0 Unchecked, 8.41ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 20.13ms Time] [2021-11-12 23:15:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2021-11-12 23:15:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 4580. [2021-11-12 23:15:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4580 states, 3154 states have (on average 1.275840202916931) internal successors, (4024), 3267 states have internal predecessors, (4024), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:15:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4580 states and 6387 transitions. [2021-11-12 23:15:40,675 INFO L78 Accepts]: Start accepts. Automaton has 4580 states and 6387 transitions. Word has length 104 [2021-11-12 23:15:40,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:40,676 INFO L470 AbstractCegarLoop]: Abstraction has 4580 states and 6387 transitions. [2021-11-12 23:15:40,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-12 23:15:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4580 states and 6387 transitions. [2021-11-12 23:15:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-12 23:15:40,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:40,679 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:15:40,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:40,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:40,893 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:15:40,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1104056857, now seen corresponding path program 1 times [2021-11-12 23:15:40,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:40,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959126284] [2021-11-12 23:15:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:40,900 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:40,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:40,900 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:15:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:56,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:15:56,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:15:57,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:15:58,252 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:58,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959126284] [2021-11-12 23:15:58,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959126284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:15:58,252 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:15:58,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:15:58,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658137808] [2021-11-12 23:15:58,253 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:58,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:15:58,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:58,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:15:58,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:15:58,254 INFO L87 Difference]: Start difference. First operand 4580 states and 6387 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:15:58,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:58,566 INFO L93 Difference]: Finished difference Result 4580 states and 6387 transitions. [2021-11-12 23:15:58,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:15:58,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 107 [2021-11-12 23:15:58,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:58,583 INFO L225 Difference]: With dead ends: 4580 [2021-11-12 23:15:58,583 INFO L226 Difference]: Without dead ends: 4578 [2021-11-12 23:15:58,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:15:58,587 INFO L933 BasicCegarLoop]: 3395 mSDtfsCounter, 3306 mSDsluCounter, 6778 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 10173 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.24ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:58,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3308 Valid, 10173 Invalid, 2 Unknown, 0 Unchecked, 10.40ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.24ms Time] [2021-11-12 23:15:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2021-11-12 23:15:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4578. [2021-11-12 23:15:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4578 states, 3153 states have (on average 1.2756105296542974) internal successors, (4022), 3265 states have internal predecessors, (4022), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:15:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 6385 transitions. [2021-11-12 23:15:59,008 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 6385 transitions. Word has length 107 [2021-11-12 23:15:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:59,008 INFO L470 AbstractCegarLoop]: Abstraction has 4578 states and 6385 transitions. [2021-11-12 23:15:59,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:15:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 6385 transitions. [2021-11-12 23:15:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:15:59,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:59,011 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2021-11-12 23:15:59,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:59,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:59,212 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:15:59,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash -66478631, now seen corresponding path program 1 times [2021-11-12 23:15:59,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:59,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246647858] [2021-11-12 23:15:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:59,219 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:59,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:59,220 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:59,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:16:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:15,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 2464 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:16:15,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:16:16,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-12 23:16:17,126 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:17,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246647858] [2021-11-12 23:16:17,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246647858] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:16:17,127 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:16:17,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:16:17,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525299794] [2021-11-12 23:16:17,128 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:17,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:16:17,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:17,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:16:17,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:16:17,129 INFO L87 Difference]: Start difference. First operand 4578 states and 6385 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 23:16:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:17,580 INFO L93 Difference]: Finished difference Result 9086 states and 12856 transitions. [2021-11-12 23:16:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:16:17,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 108 [2021-11-12 23:16:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:17,592 INFO L225 Difference]: With dead ends: 9086 [2021-11-12 23:16:17,592 INFO L226 Difference]: Without dead ends: 4572 [2021-11-12 23:16:17,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:16:17,608 INFO L933 BasicCegarLoop]: 3390 mSDtfsCounter, 3329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 3390 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.88ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:17,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3329 Valid, 3390 Invalid, 24 Unknown, 0 Unchecked, 4.88ms Time], IncrementalHoareTripleChecker [22 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 41.75ms Time] [2021-11-12 23:16:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4572 states. [2021-11-12 23:16:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4572 to 4572. [2021-11-12 23:16:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4572 states, 3148 states have (on average 1.2747776365946633) internal successors, (4013), 3259 states have internal predecessors, (4013), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:16:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4572 states to 4572 states and 6376 transitions. [2021-11-12 23:16:18,058 INFO L78 Accepts]: Start accepts. Automaton has 4572 states and 6376 transitions. Word has length 108 [2021-11-12 23:16:18,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:18,059 INFO L470 AbstractCegarLoop]: Abstraction has 4572 states and 6376 transitions. [2021-11-12 23:16:18,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-12 23:16:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4572 states and 6376 transitions. [2021-11-12 23:16:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-12 23:16:18,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:18,061 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:16:18,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:16:18,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:18,264 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:16:18,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash -141561782, now seen corresponding path program 1 times [2021-11-12 23:16:18,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:18,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138772515] [2021-11-12 23:16:18,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:18,271 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:18,272 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:18,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:16:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:34,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:16:34,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:16:35,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:16:35,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:35,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138772515] [2021-11-12 23:16:35,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138772515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:16:35,692 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:16:35,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:16:35,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867998958] [2021-11-12 23:16:35,693 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:35,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:16:35,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:35,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:16:35,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:16:35,694 INFO L87 Difference]: Start difference. First operand 4572 states and 6376 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:16:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:36,014 INFO L93 Difference]: Finished difference Result 4572 states and 6376 transitions. [2021-11-12 23:16:36,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:16:36,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 109 [2021-11-12 23:16:36,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:36,025 INFO L225 Difference]: With dead ends: 4572 [2021-11-12 23:16:36,025 INFO L226 Difference]: Without dead ends: 4570 [2021-11-12 23:16:36,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:16:36,028 INFO L933 BasicCegarLoop]: 3388 mSDtfsCounter, 3293 mSDsluCounter, 6772 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 10160 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:36,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3295 Valid, 10160 Invalid, 2 Unknown, 0 Unchecked, 9.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.29ms Time] [2021-11-12 23:16:36,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2021-11-12 23:16:36,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4570. [2021-11-12 23:16:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4570 states, 3147 states have (on average 1.2745471877979027) internal successors, (4011), 3257 states have internal predecessors, (4011), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:16:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4570 states to 4570 states and 6374 transitions. [2021-11-12 23:16:36,457 INFO L78 Accepts]: Start accepts. Automaton has 4570 states and 6374 transitions. Word has length 109 [2021-11-12 23:16:36,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:36,458 INFO L470 AbstractCegarLoop]: Abstraction has 4570 states and 6374 transitions. [2021-11-12 23:16:36,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:16:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 4570 states and 6374 transitions. [2021-11-12 23:16:36,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-12 23:16:36,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:36,461 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:16:36,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-11-12 23:16:36,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:36,677 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:16:36,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1695674474, now seen corresponding path program 1 times [2021-11-12 23:16:36,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:36,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843099806] [2021-11-12 23:16:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:36,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:36,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:36,685 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:36,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:16:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:52,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:16:52,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:16:53,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:16:54,019 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:54,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843099806] [2021-11-12 23:16:54,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843099806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:16:54,019 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:16:54,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:16:54,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751852696] [2021-11-12 23:16:54,019 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:54,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:16:54,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:54,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:16:54,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:16:54,021 INFO L87 Difference]: Start difference. First operand 4570 states and 6374 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:16:54,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:54,349 INFO L93 Difference]: Finished difference Result 4570 states and 6374 transitions. [2021-11-12 23:16:54,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:16:54,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 115 [2021-11-12 23:16:54,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:54,359 INFO L225 Difference]: With dead ends: 4570 [2021-11-12 23:16:54,359 INFO L226 Difference]: Without dead ends: 4568 [2021-11-12 23:16:54,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:16:54,362 INFO L933 BasicCegarLoop]: 3386 mSDtfsCounter, 3288 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 6770 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:54,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3290 Valid, 6770 Invalid, 2 Unknown, 0 Unchecked, 7.58ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.40ms Time] [2021-11-12 23:16:54,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2021-11-12 23:16:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4568. [2021-11-12 23:16:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4568 states, 3146 states have (on average 1.2743165924984108) internal successors, (4009), 3255 states have internal predecessors, (4009), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:16:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 6372 transitions. [2021-11-12 23:16:54,850 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 6372 transitions. Word has length 115 [2021-11-12 23:16:54,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:54,852 INFO L470 AbstractCegarLoop]: Abstraction has 4568 states and 6372 transitions. [2021-11-12 23:16:54,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:16:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 6372 transitions. [2021-11-12 23:16:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-12 23:16:54,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:54,854 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:16:54,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-12 23:16:55,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:55,055 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:16:55,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1284641006, now seen corresponding path program 1 times [2021-11-12 23:16:55,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:55,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945290522] [2021-11-12 23:16:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:55,065 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:55,066 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:55,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:17:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:10,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2414 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:17:10,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:12,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:12,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:12,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945290522] [2021-11-12 23:17:12,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945290522] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:12,700 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:12,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:17:12,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825576730] [2021-11-12 23:17:12,701 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:12,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:12,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:17:12,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:12,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:12,703 INFO L87 Difference]: Start difference. First operand 4568 states and 6372 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:17:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:13,054 INFO L93 Difference]: Finished difference Result 4568 states and 6372 transitions. [2021-11-12 23:17:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:17:13,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 121 [2021-11-12 23:17:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:13,067 INFO L225 Difference]: With dead ends: 4568 [2021-11-12 23:17:13,067 INFO L226 Difference]: Without dead ends: 4566 [2021-11-12 23:17:13,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:17:13,071 INFO L933 BasicCegarLoop]: 3383 mSDtfsCounter, 3277 mSDsluCounter, 6762 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 10145 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:13,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3279 Valid, 10145 Invalid, 5 Unknown, 0 Unchecked, 10.03ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 20.08ms Time] [2021-11-12 23:17:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2021-11-12 23:17:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4566. [2021-11-12 23:17:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4566 states, 3145 states have (on average 1.2740858505564387) internal successors, (4007), 3253 states have internal predecessors, (4007), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:17:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4566 states to 4566 states and 6370 transitions. [2021-11-12 23:17:13,435 INFO L78 Accepts]: Start accepts. Automaton has 4566 states and 6370 transitions. Word has length 121 [2021-11-12 23:17:13,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:13,435 INFO L470 AbstractCegarLoop]: Abstraction has 4566 states and 6370 transitions. [2021-11-12 23:17:13,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:17:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4566 states and 6370 transitions. [2021-11-12 23:17:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-12 23:17:13,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:13,438 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:17:13,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:13,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:13,639 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:17:13,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1320420407, now seen corresponding path program 1 times [2021-11-12 23:17:13,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:13,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535307696] [2021-11-12 23:17:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:13,646 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:13,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:13,647 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:13,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:17:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:29,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2423 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:17:29,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:30,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:31,459 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:31,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535307696] [2021-11-12 23:17:31,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535307696] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:31,460 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:31,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:17:31,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333194257] [2021-11-12 23:17:31,460 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:31,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:31,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:17:31,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:31,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:31,461 INFO L87 Difference]: Start difference. First operand 4566 states and 6370 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:17:31,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:31,805 INFO L93 Difference]: Finished difference Result 4566 states and 6370 transitions. [2021-11-12 23:17:31,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:17:31,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 127 [2021-11-12 23:17:31,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:31,816 INFO L225 Difference]: With dead ends: 4566 [2021-11-12 23:17:31,816 INFO L226 Difference]: Without dead ends: 4564 [2021-11-12 23:17:31,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:17:31,819 INFO L933 BasicCegarLoop]: 3381 mSDtfsCounter, 3269 mSDsluCounter, 6758 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3271 SdHoareTripleChecker+Valid, 10139 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.54ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:31,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3271 Valid, 10139 Invalid, 5 Unknown, 0 Unchecked, 9.61ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 20.54ms Time] [2021-11-12 23:17:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4564 states. [2021-11-12 23:17:32,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4564 to 4564. [2021-11-12 23:17:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4564 states, 3144 states have (on average 1.2738549618320612) internal successors, (4005), 3251 states have internal predecessors, (4005), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:17:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 6368 transitions. [2021-11-12 23:17:32,248 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 6368 transitions. Word has length 127 [2021-11-12 23:17:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:32,249 INFO L470 AbstractCegarLoop]: Abstraction has 4564 states and 6368 transitions. [2021-11-12 23:17:32,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:17:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 6368 transitions. [2021-11-12 23:17:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-12 23:17:32,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:32,252 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:17:32,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:32,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:32,457 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:17:32,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:32,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1314734448, now seen corresponding path program 1 times [2021-11-12 23:17:32,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:32,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012827432] [2021-11-12 23:17:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:32,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:32,465 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:32,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:17:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:48,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:17:48,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:49,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:50,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:17:50,149 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:50,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012827432] [2021-11-12 23:17:50,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012827432] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:17:50,150 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:17:50,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:17:50,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275216824] [2021-11-12 23:17:50,150 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:50,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:50,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:17:50,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:50,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:17:50,152 INFO L87 Difference]: Start difference. First operand 4564 states and 6368 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:17:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:50,496 INFO L93 Difference]: Finished difference Result 4564 states and 6368 transitions. [2021-11-12 23:17:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:17:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 133 [2021-11-12 23:17:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:50,506 INFO L225 Difference]: With dead ends: 4564 [2021-11-12 23:17:50,506 INFO L226 Difference]: Without dead ends: 4562 [2021-11-12 23:17:50,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:17:50,509 INFO L933 BasicCegarLoop]: 3379 mSDtfsCounter, 3264 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.48ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:50,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3266 Valid, 6756 Invalid, 4 Unknown, 0 Unchecked, 7.78ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 16.48ms Time] [2021-11-12 23:17:50,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4562 states. [2021-11-12 23:17:50,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4562 to 4562. [2021-11-12 23:17:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4562 states, 3143 states have (on average 1.2736239261851734) internal successors, (4003), 3249 states have internal predecessors, (4003), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:17:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 6366 transitions. [2021-11-12 23:17:50,854 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 6366 transitions. Word has length 133 [2021-11-12 23:17:50,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:50,854 INFO L470 AbstractCegarLoop]: Abstraction has 4562 states and 6366 transitions. [2021-11-12 23:17:50,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:17:50,854 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 6366 transitions. [2021-11-12 23:17:50,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-12 23:17:50,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:50,859 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:17:50,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:51,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:51,081 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:17:51,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:51,082 INFO L85 PathProgramCache]: Analyzing trace with hash 96838206, now seen corresponding path program 1 times [2021-11-12 23:17:51,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:51,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063877385] [2021-11-12 23:17:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:51,088 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:51,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:51,089 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:51,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:18:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:06,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 2441 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:18:06,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:08,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:08,887 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:18:08,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063877385] [2021-11-12 23:18:08,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063877385] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:08,888 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:08,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:18:08,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939067452] [2021-11-12 23:18:08,888 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:08,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:08,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:18:08,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:08,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:08,890 INFO L87 Difference]: Start difference. First operand 4562 states and 6366 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:18:09,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:09,250 INFO L93 Difference]: Finished difference Result 4562 states and 6366 transitions. [2021-11-12 23:18:09,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:09,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 139 [2021-11-12 23:18:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:09,266 INFO L225 Difference]: With dead ends: 4562 [2021-11-12 23:18:09,266 INFO L226 Difference]: Without dead ends: 4560 [2021-11-12 23:18:09,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:09,270 INFO L933 BasicCegarLoop]: 3377 mSDtfsCounter, 3253 mSDsluCounter, 6750 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 10127 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.82ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:09,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3255 Valid, 10127 Invalid, 5 Unknown, 0 Unchecked, 10.23ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 23.82ms Time] [2021-11-12 23:18:09,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4560 states. [2021-11-12 23:18:09,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4560 to 4560. [2021-11-12 23:18:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4560 states, 3142 states have (on average 1.2733927434754932) internal successors, (4001), 3247 states have internal predecessors, (4001), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:18:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4560 states to 4560 states and 6364 transitions. [2021-11-12 23:18:09,715 INFO L78 Accepts]: Start accepts. Automaton has 4560 states and 6364 transitions. Word has length 139 [2021-11-12 23:18:09,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:09,716 INFO L470 AbstractCegarLoop]: Abstraction has 4560 states and 6364 transitions. [2021-11-12 23:18:09,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:18:09,716 INFO L276 IsEmpty]: Start isEmpty. Operand 4560 states and 6364 transitions. [2021-11-12 23:18:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-12 23:18:09,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:09,720 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:18:09,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:09,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:18:09,933 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:18:09,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash 966186948, now seen corresponding path program 1 times [2021-11-12 23:18:09,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:18:09,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005384549] [2021-11-12 23:18:09,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:09,940 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:18:09,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:18:09,945 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:18:09,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 23:18:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:25,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 2450 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:18:25,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:27,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:28,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:18:28,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005384549] [2021-11-12 23:18:28,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005384549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:28,341 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:28,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:18:28,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131259843] [2021-11-12 23:18:28,342 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:28,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:18:28,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:18:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:18:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:28,343 INFO L87 Difference]: Start difference. First operand 4560 states and 6364 transitions. Second operand has 6 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:18:30,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:30,853 INFO L93 Difference]: Finished difference Result 4560 states and 6364 transitions. [2021-11-12 23:18:30,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:30,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 145 [2021-11-12 23:18:30,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:30,866 INFO L225 Difference]: With dead ends: 4560 [2021-11-12 23:18:30,866 INFO L226 Difference]: Without dead ends: 4558 [2021-11-12 23:18:30,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:18:30,869 INFO L933 BasicCegarLoop]: 3376 mSDtfsCounter, 5343 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1636.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5345 SdHoareTripleChecker+Valid, 6750 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.33ms SdHoareTripleChecker+Time, 1243 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2029.85ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:30,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5345 Valid, 6750 Invalid, 1245 Unknown, 0 Unchecked, 20.33ms Time], IncrementalHoareTripleChecker [1243 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2029.85ms Time] [2021-11-12 23:18:30,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2021-11-12 23:18:31,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 4558. [2021-11-12 23:18:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4558 states, 3141 states have (on average 1.2731614135625597) internal successors, (3999), 3245 states have internal predecessors, (3999), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:18:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4558 states to 4558 states and 6362 transitions. [2021-11-12 23:18:31,216 INFO L78 Accepts]: Start accepts. Automaton has 4558 states and 6362 transitions. Word has length 145 [2021-11-12 23:18:31,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:31,216 INFO L470 AbstractCegarLoop]: Abstraction has 4558 states and 6362 transitions. [2021-11-12 23:18:31,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.5) internal successors, (183), 6 states have internal predecessors, (183), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:18:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4558 states and 6362 transitions. [2021-11-12 23:18:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-12 23:18:31,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:31,220 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:18:31,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:31,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:18:31,441 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:18:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1338909348, now seen corresponding path program 1 times [2021-11-12 23:18:31,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:18:31,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733477601] [2021-11-12 23:18:31,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:31,455 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:18:31,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:18:31,457 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:18:31,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:18:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:47,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 2459 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:18:47,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:48,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:18:49,655 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:18:49,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733477601] [2021-11-12 23:18:49,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733477601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:49,655 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:49,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:18:49,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544961964] [2021-11-12 23:18:49,656 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:49,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:49,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:18:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:49,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:49,657 INFO L87 Difference]: Start difference. First operand 4558 states and 6362 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:18:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:50,097 INFO L93 Difference]: Finished difference Result 4558 states and 6362 transitions. [2021-11-12 23:18:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:18:50,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 151 [2021-11-12 23:18:50,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:50,107 INFO L225 Difference]: With dead ends: 4558 [2021-11-12 23:18:50,107 INFO L226 Difference]: Without dead ends: 4556 [2021-11-12 23:18:50,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:50,110 INFO L933 BasicCegarLoop]: 3374 mSDtfsCounter, 3240 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 6746 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:50,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 6746 Invalid, 2 Unknown, 0 Unchecked, 7.74ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.70ms Time] [2021-11-12 23:18:50,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2021-11-12 23:18:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 4556. [2021-11-12 23:18:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4556 states, 3140 states have (on average 1.2729299363057325) internal successors, (3997), 3243 states have internal predecessors, (3997), 1175 states have call successors, (1175), 230 states have call predecessors, (1175), 230 states have return successors, (1188), 1146 states have call predecessors, (1188), 1173 states have call successors, (1188) [2021-11-12 23:18:50,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 6360 transitions. [2021-11-12 23:18:50,469 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 6360 transitions. Word has length 151 [2021-11-12 23:18:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:50,470 INFO L470 AbstractCegarLoop]: Abstraction has 4556 states and 6360 transitions. [2021-11-12 23:18:50,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:18:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 6360 transitions. [2021-11-12 23:18:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-12 23:18:50,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:50,475 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:18:50,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:50,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:18:50,689 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:18:50,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:50,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1212336923, now seen corresponding path program 1 times [2021-11-12 23:18:50,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:18:50,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079219107] [2021-11-12 23:18:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:50,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:18:50,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:18:50,697 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:18:50,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:19:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:07,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 2698 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-12 23:19:07,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-12 23:19:09,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:13,069 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-12 23:19:13,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:13,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079219107] [2021-11-12 23:19:13,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079219107] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:13,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:19:13,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [17] total 31 [2021-11-12 23:19:13,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614890489] [2021-11-12 23:19:13,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:13,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:19:13,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:13,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:19:13,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=856, Unknown=0, NotChecked=0, Total=930 [2021-11-12 23:19:13,073 INFO L87 Difference]: Start difference. First operand 4556 states and 6360 transitions. Second operand has 17 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2021-11-12 23:19:17,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:17,640 INFO L93 Difference]: Finished difference Result 6852 states and 9523 transitions. [2021-11-12 23:19:17,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-12 23:19:17,640 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 179 [2021-11-12 23:19:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:17,649 INFO L225 Difference]: With dead ends: 6852 [2021-11-12 23:19:17,649 INFO L226 Difference]: Without dead ends: 2533 [2021-11-12 23:19:17,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=221, Invalid=1419, Unknown=0, NotChecked=0, Total=1640 [2021-11-12 23:19:17,663 INFO L933 BasicCegarLoop]: 3368 mSDtfsCounter, 63 mSDsluCounter, 50299 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 222 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2473.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 53667 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.45ms SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2586.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:17,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 53667 Invalid, 762 Unknown, 0 Unchecked, 48.45ms Time], IncrementalHoareTripleChecker [222 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 2586.65ms Time] [2021-11-12 23:19:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2021-11-12 23:19:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2507. [2021-11-12 23:19:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1714 states have (on average 1.2596266044340723) internal successors, (2159), 1777 states have internal predecessors, (2159), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:19:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3452 transitions. [2021-11-12 23:19:17,905 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3452 transitions. Word has length 179 [2021-11-12 23:19:17,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:17,906 INFO L470 AbstractCegarLoop]: Abstraction has 2507 states and 3452 transitions. [2021-11-12 23:19:17,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 6 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2021-11-12 23:19:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3452 transitions. [2021-11-12 23:19:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-12 23:19:17,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:17,908 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:19:17,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:18,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:18,109 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:19:18,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash 146475822, now seen corresponding path program 1 times [2021-11-12 23:19:18,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:18,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734426123] [2021-11-12 23:19:18,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:18,117 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:18,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:18,117 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:19:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:34,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:19:34,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:19:35,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:19:36,632 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:36,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734426123] [2021-11-12 23:19:36,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734426123] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:19:36,632 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:19:36,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:19:36,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244646229] [2021-11-12 23:19:36,633 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:36,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:19:36,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:19:36,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:19:36,634 INFO L87 Difference]: Start difference. First operand 2507 states and 3452 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:19:36,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:36,878 INFO L93 Difference]: Finished difference Result 2507 states and 3452 transitions. [2021-11-12 23:19:36,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:19:36,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 157 [2021-11-12 23:19:36,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:36,884 INFO L225 Difference]: With dead ends: 2507 [2021-11-12 23:19:36,885 INFO L226 Difference]: Without dead ends: 2505 [2021-11-12 23:19:36,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:19:36,887 INFO L933 BasicCegarLoop]: 3372 mSDtfsCounter, 3232 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3234 SdHoareTripleChecker+Valid, 6742 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:36,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3234 Valid, 6742 Invalid, 2 Unknown, 0 Unchecked, 7.69ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.77ms Time] [2021-11-12 23:19:36,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2021-11-12 23:19:37,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2505. [2021-11-12 23:19:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 1713 states have (on average 1.2591943957968477) internal successors, (2157), 1775 states have internal predecessors, (2157), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:19:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3450 transitions. [2021-11-12 23:19:37,197 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3450 transitions. Word has length 157 [2021-11-12 23:19:37,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:37,197 INFO L470 AbstractCegarLoop]: Abstraction has 2505 states and 3450 transitions. [2021-11-12 23:19:37,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:19:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3450 transitions. [2021-11-12 23:19:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-12 23:19:37,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:37,200 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:19:37,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:37,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:37,401 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:19:37,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:37,401 INFO L85 PathProgramCache]: Analyzing trace with hash -358970397, now seen corresponding path program 1 times [2021-11-12 23:19:37,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:37,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244200817] [2021-11-12 23:19:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:37,408 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:37,410 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:19:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:53,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 2730 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:19:53,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-12 23:19:54,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-12 23:19:55,538 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:55,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244200817] [2021-11-12 23:19:55,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244200817] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:19:55,538 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:19:55,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:19:55,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402268256] [2021-11-12 23:19:55,539 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:55,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:19:55,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:19:55,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:19:55,540 INFO L87 Difference]: Start difference. First operand 2505 states and 3450 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:19:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:56,733 INFO L93 Difference]: Finished difference Result 5364 states and 7491 transitions. [2021-11-12 23:19:56,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:19:56,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 195 [2021-11-12 23:19:56,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:56,746 INFO L225 Difference]: With dead ends: 5364 [2021-11-12 23:19:56,746 INFO L226 Difference]: Without dead ends: 3096 [2021-11-12 23:19:56,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:19:56,763 INFO L933 BasicCegarLoop]: 3930 mSDtfsCounter, 1272 mSDsluCounter, 10168 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 586.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 14098 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.51ms SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 694.23ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:56,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1480 Valid, 14098 Invalid, 472 Unknown, 0 Unchecked, 20.51ms Time], IncrementalHoareTripleChecker [453 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 694.23ms Time] [2021-11-12 23:19:56,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2021-11-12 23:19:57,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2505. [2021-11-12 23:19:57,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2505 states, 1713 states have (on average 1.258610624635143) internal successors, (2156), 1775 states have internal predecessors, (2156), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:19:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2505 states and 3449 transitions. [2021-11-12 23:19:57,090 INFO L78 Accepts]: Start accepts. Automaton has 2505 states and 3449 transitions. Word has length 195 [2021-11-12 23:19:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:57,090 INFO L470 AbstractCegarLoop]: Abstraction has 2505 states and 3449 transitions. [2021-11-12 23:19:57,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:19:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 3449 transitions. [2021-11-12 23:19:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:19:57,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:57,094 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:19:57,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:57,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:57,309 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:19:57,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:57,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1311406835, now seen corresponding path program 1 times [2021-11-12 23:19:57,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:57,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315497974] [2021-11-12 23:19:57,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:57,321 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:57,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:57,323 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:57,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:20:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:14,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:20:14,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:20:15,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:16,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:20:16,406 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:16,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315497974] [2021-11-12 23:20:16,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315497974] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:16,406 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:16,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:20:16,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667778251] [2021-11-12 23:20:16,407 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:16,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:20:16,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:16,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:20:16,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:20:16,408 INFO L87 Difference]: Start difference. First operand 2505 states and 3449 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:20:16,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:16,687 INFO L93 Difference]: Finished difference Result 2505 states and 3449 transitions. [2021-11-12 23:20:16,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:20:16,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 163 [2021-11-12 23:20:16,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:16,694 INFO L225 Difference]: With dead ends: 2505 [2021-11-12 23:20:16,694 INFO L226 Difference]: Without dead ends: 2503 [2021-11-12 23:20:16,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:20:16,695 INFO L933 BasicCegarLoop]: 3370 mSDtfsCounter, 3224 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 6738 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:16,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3226 Valid, 6738 Invalid, 2 Unknown, 0 Unchecked, 9.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.86ms Time] [2021-11-12 23:20:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2021-11-12 23:20:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2503. [2021-11-12 23:20:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2503 states, 1712 states have (on average 1.2581775700934579) internal successors, (2154), 1773 states have internal predecessors, (2154), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:20:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2503 states and 3447 transitions. [2021-11-12 23:20:16,994 INFO L78 Accepts]: Start accepts. Automaton has 2503 states and 3447 transitions. Word has length 163 [2021-11-12 23:20:16,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:16,994 INFO L470 AbstractCegarLoop]: Abstraction has 2503 states and 3447 transitions. [2021-11-12 23:20:16,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:20:16,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 3447 transitions. [2021-11-12 23:20:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-12 23:20:16,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:16,997 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:20:17,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:17,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:17,198 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:20:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:17,199 INFO L85 PathProgramCache]: Analyzing trace with hash -116225243, now seen corresponding path program 1 times [2021-11-12 23:20:17,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:17,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063568425] [2021-11-12 23:20:17,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:17,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:17,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:17,211 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:17,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:20:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:33,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 2486 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:20:33,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:20:35,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:20:35,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:35,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063568425] [2021-11-12 23:20:35,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063568425] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:35,894 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:35,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:20:35,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622662890] [2021-11-12 23:20:35,894 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:35,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:20:35,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:35,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:20:35,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:20:35,896 INFO L87 Difference]: Start difference. First operand 2503 states and 3447 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:20:36,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:36,156 INFO L93 Difference]: Finished difference Result 2503 states and 3447 transitions. [2021-11-12 23:20:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:20:36,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 169 [2021-11-12 23:20:36,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:36,162 INFO L225 Difference]: With dead ends: 2503 [2021-11-12 23:20:36,162 INFO L226 Difference]: Without dead ends: 2501 [2021-11-12 23:20:36,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:20:36,164 INFO L933 BasicCegarLoop]: 3368 mSDtfsCounter, 3213 mSDsluCounter, 6732 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 10100 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:36,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3215 Valid, 10100 Invalid, 2 Unknown, 0 Unchecked, 10.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.34ms Time] [2021-11-12 23:20:36,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2021-11-12 23:20:36,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2021-11-12 23:20:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 1711 states have (on average 1.2577440093512566) internal successors, (2152), 1771 states have internal predecessors, (2152), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:20:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3445 transitions. [2021-11-12 23:20:36,370 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3445 transitions. Word has length 169 [2021-11-12 23:20:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:36,371 INFO L470 AbstractCegarLoop]: Abstraction has 2501 states and 3445 transitions. [2021-11-12 23:20:36,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:20:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3445 transitions. [2021-11-12 23:20:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-12 23:20:36,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:36,374 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-12 23:20:36,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:36,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:36,577 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:20:36,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash 769221487, now seen corresponding path program 1 times [2021-11-12 23:20:36,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:36,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1220732207] [2021-11-12 23:20:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:36,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:36,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:36,585 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:36,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:20:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:54,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 2767 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:20:54,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-12 23:20:55,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-11-12 23:20:56,487 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:56,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1220732207] [2021-11-12 23:20:56,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1220732207] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:20:56,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:20:56,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-12 23:20:56,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088584916] [2021-11-12 23:20:56,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:56,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:20:56,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:56,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:20:56,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:20:56,489 INFO L87 Difference]: Start difference. First operand 2501 states and 3445 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:20:59,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:59,127 INFO L93 Difference]: Finished difference Result 5908 states and 8313 transitions. [2021-11-12 23:20:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:20:59,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 211 [2021-11-12 23:20:59,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:59,139 INFO L225 Difference]: With dead ends: 5908 [2021-11-12 23:20:59,140 INFO L226 Difference]: Without dead ends: 3644 [2021-11-12 23:20:59,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:20:59,147 INFO L933 BasicCegarLoop]: 3788 mSDtfsCounter, 2257 mSDsluCounter, 22942 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 834 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1643.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 26730 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.45ms SdHoareTripleChecker+Time, 834 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1824.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:59,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2465 Valid, 26730 Invalid, 1073 Unknown, 0 Unchecked, 33.45ms Time], IncrementalHoareTripleChecker [834 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1824.45ms Time] [2021-11-12 23:20:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2021-11-12 23:20:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 2504. [2021-11-12 23:20:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 1714 states have (on average 1.2572928821470244) internal successors, (2155), 1774 states have internal predecessors, (2155), 647 states have call successors, (647), 135 states have call predecessors, (647), 135 states have return successors, (646), 628 states have call predecessors, (646), 645 states have call successors, (646) [2021-11-12 23:20:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3448 transitions. [2021-11-12 23:20:59,484 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3448 transitions. Word has length 211 [2021-11-12 23:20:59,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:59,485 INFO L470 AbstractCegarLoop]: Abstraction has 2504 states and 3448 transitions. [2021-11-12 23:20:59,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:20:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3448 transitions. [2021-11-12 23:20:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:20:59,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:59,489 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-12 23:20:59,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:59,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:59,705 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-12 23:20:59,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash -603225561, now seen corresponding path program 1 times [2021-11-12 23:20:59,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:59,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201401286] [2021-11-12 23:20:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:59,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:59,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:59,715 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:59,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67710918-ed58-4dc0-aa56-4f075f4a5935/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process