./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.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_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/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_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/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_363c2901-27b8-4260-9e64-204f94597929/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 cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:04:46,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:04:46,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:04:46,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:04:46,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:04:46,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:04:46,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:04:46,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:04:46,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:04:47,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:04:47,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:04:47,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:04:47,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:04:47,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:04:47,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:04:47,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:04:47,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:04:47,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:04:47,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:04:47,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:04:47,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:04:47,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:04:47,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:04:47,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:04:47,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:04:47,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:04:47,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:04:47,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:04:47,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:04:47,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:04:47,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:04:47,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:04:47,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:04:47,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:04:47,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:04:47,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:04:47,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:04:47,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:04:47,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:04:47,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:04:47,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:04:47,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:04:47,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:04:47,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:04:47,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:04:47,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:04:47,103 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:04:47,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:04:47,103 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:04:47,103 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:04:47,109 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:04:47,110 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:04:47,111 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:04:47,111 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:04:47,111 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:04:47,112 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:04:47,112 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:04:47,112 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:04:47,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:04:47,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:04:47,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:04:47,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:04:47,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:04:47,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:04:47,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:04:47,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:04:47,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:04:47,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:04:47,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:04:47,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:04:47,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:47,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:04:47,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:04:47,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:04:47,118 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:04:47,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:04:47,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:04:47,119 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:04:47,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:04:47,120 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_363c2901-27b8-4260-9e64-204f94597929/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 [2021-11-12 23:04:47,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:04:47,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:04:47,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:04:47,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:04:47,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:04:47,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-11-12 23:04:47,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/73fb617da/f9e66c55c319466e9263c4810e183436/FLAGa7d53c650 [2021-11-12 23:04:48,407 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:04:48,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-11-12 23:04:48,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/73fb617da/f9e66c55c319466e9263c4810e183436/FLAGa7d53c650 [2021-11-12 23:04:48,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/73fb617da/f9e66c55c319466e9263c4810e183436 [2021-11-12 23:04:48,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:04:48,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:04:48,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:48,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:04:48,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:04:48,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:48" (1/1) ... [2021-11-12 23:04:48,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b77df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:48, skipping insertion in model container [2021-11-12 23:04:48,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:04:48" (1/1) ... [2021-11-12 23:04:48,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:04:49,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:04:52,054 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 23:04:52,481 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 23:04:52,542 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 23:04:52,553 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 23:04:52,572 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 23:04:52,688 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 23:04:52,733 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 23:04:52,841 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 23:04:52,860 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 23:04:52,919 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 23:04:52,979 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 23:04:52,992 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 23:04:53,025 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 23:04:53,035 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 23:04:53,050 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 23:04:53,051 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 23:04:53,085 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 23:04:53,086 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 23:04:53,087 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 23:04:53,094 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 23:04:53,095 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 23:04:53,131 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 23:04:53,148 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 23:04:53,186 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 23:04:53,200 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 23:04:53,235 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 23:04:53,322 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 23:04:53,356 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 23:04:53,358 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 23:04:53,379 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 23:04:53,439 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 23:04:53,447 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 23:04:53,457 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 23:04:53,467 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 23:04:53,467 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 23:04:53,476 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 23:04:53,477 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 23:04:53,499 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 23:04:53,500 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 23:04:53,506 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 23:04:53,507 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 23:04:53,508 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 23:04:53,579 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 23:04:53,586 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 23:04:53,592 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 23:04:53,599 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 23:04:53,606 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 23:04:53,613 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 23:04:53,620 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 23:04:53,626 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 23:04:53,676 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 23:04:53,705 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 23:04:53,715 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 23:04:53,723 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 23:04:53,731 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 23:04:54,071 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 23:04:54,072 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 23:04:54,072 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 23:04:54,073 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 23:04:54,073 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 23:04:54,076 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 23:04:54,077 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 23:04:54,078 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 23:04:54,080 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 23:04:54,081 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 23:04:54,081 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 23:04:54,082 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 23:04:54,085 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 23:04:54,085 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 23:04:54,086 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 23:04:54,088 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 23:04:54,089 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 23:04:54,089 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 23:04:54,090 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 23:04:54,092 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 23:04:54,093 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 23:04:54,095 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 23:04:54,096 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 23:04:54,097 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 23:04:54,098 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 23:04:54,098 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 23:04:54,111 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 23:04:54,111 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 23:04:54,112 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 23:04:54,324 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 23:04:54,348 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 23:04:54,374 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 23:04:54,381 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 23:04:54,437 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 23:04:54,444 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 23:04:55,891 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-11-12 23:04:55,894 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-11-12 23:04:55,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-11-12 23:04:55,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-11-12 23:04:55,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-11-12 23:04:55,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-11-12 23:04:55,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-11-12 23:04:55,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-11-12 23:04:55,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-11-12 23:04:55,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-11-12 23:04:55,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-11-12 23:04:55,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-11-12 23:04:55,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-11-12 23:04:55,900 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-11-12 23:04:55,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-11-12 23:04:55,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-11-12 23:04:55,901 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-11-12 23:04:55,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-11-12 23:04:55,902 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-11-12 23:04:55,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-11-12 23:04:55,903 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-11-12 23:04:55,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-11-12 23:04:55,904 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-11-12 23:04:55,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-11-12 23:04:55,905 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-11-12 23:04:55,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-11-12 23:04:55,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-11-12 23:04:55,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-11-12 23:04:55,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-11-12 23:04:55,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-11-12 23:04:55,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-11-12 23:04:55,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-11-12 23:04:55,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-11-12 23:04:55,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-11-12 23:04:55,910 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-11-12 23:04:55,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-11-12 23:04:55,911 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-11-12 23:04:55,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-11-12 23:04:55,912 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-11-12 23:04:55,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-11-12 23:04:55,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-11-12 23:04:55,913 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-11-12 23:04:55,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-11-12 23:04:55,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-11-12 23:04:55,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-11-12 23:04:55,915 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-11-12 23:04:55,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-11-12 23:04:55,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-11-12 23:04:55,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-11-12 23:04:55,917 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-11-12 23:04:55,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-11-12 23:04:55,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-11-12 23:04:55,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-11-12 23:04:55,919 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-11-12 23:04:55,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-11-12 23:04:55,920 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-11-12 23:04:55,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-11-12 23:04:55,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-11-12 23:04:55,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-11-12 23:04:55,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-11-12 23:04:55,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-11-12 23:04:55,923 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-11-12 23:04:55,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-11-12 23:04:55,924 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-11-12 23:04:55,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-11-12 23:04:55,925 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-11-12 23:04:55,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-11-12 23:04:55,926 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-11-12 23:04:55,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-11-12 23:04:55,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-11-12 23:04:55,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-11-12 23:04:55,928 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-11-12 23:04:55,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-11-12 23:04:55,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-11-12 23:04:55,929 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-11-12 23:04:55,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-11-12 23:04:55,930 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-11-12 23:04:55,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-11-12 23:04:55,931 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-11-12 23:04:55,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-11-12 23:04:55,932 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-11-12 23:04:55,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-11-12 23:04:55,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-11-12 23:04:55,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-11-12 23:04:55,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-11-12 23:04:55,934 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-11-12 23:04:55,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-11-12 23:04:55,936 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-11-12 23:04:55,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:04:55,995 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 23:04:55,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cad9416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:04:55, skipping insertion in model container [2021-11-12 23:04:55,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:04:55,997 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:04:55,999 INFO L158 Benchmark]: Toolchain (without parser) took 7205.69ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 62.5MB in the beginning and 89.2MB in the end (delta: -26.7MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2021-11-12 23:04:56,000 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:04:56,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7200.83ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 62.2MB in the beginning and 89.2MB in the end (delta: -27.0MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2021-11-12 23:04:56,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 100.7MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7200.83ms. Allocated memory was 100.7MB in the beginning and 209.7MB in the end (delta: 109.1MB). Free memory was 62.2MB in the beginning and 89.2MB in the end (delta: -27.0MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5619]: 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_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/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_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/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_363c2901-27b8-4260-9e64-204f94597929/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 cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:04:58,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:04:58,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:04:58,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:04:58,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:04:58,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:04:58,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:04:58,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:04:58,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:04:58,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:04:58,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:04:58,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:04:58,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:04:58,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:04:58,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:04:58,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:04:58,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:04:58,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:04:58,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:04:58,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:04:58,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:04:58,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:04:58,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:04:58,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:04:58,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:04:58,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:04:58,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:04:58,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:04:58,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:04:58,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:04:58,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:04:58,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:04:58,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:04:58,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:04:58,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:04:58,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:04:58,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:04:58,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:04:58,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:04:58,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:04:58,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:04:58,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:04:58,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:04:58,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:04:58,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:04:58,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:04:58,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:04:58,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:04:58,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:04:58,831 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:04:58,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:04:58,832 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:04:58,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:04:58,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:04:58,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:04:58,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:04:58,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:04:58,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:04:58,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:04:58,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:04:58,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:04:58,836 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:04:58,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:04:58,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:04:58,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:04:58,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:04:58,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:04:58,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:04:58,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:04:58,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:04:58,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:04:58,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:04:58,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:04:58,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:04:58,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:04:58,841 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_363c2901-27b8-4260-9e64-204f94597929/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd814322f3abc5e8c6ad20085c30ec9c1fa5f2acc4d4d525b08e1fec6d772536 [2021-11-12 23:04:59,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:04:59,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:04:59,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:04:59,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:04:59,326 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:04:59,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-11-12 23:04:59,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/379eb5849/ba1ac05ebce34ba4a6d95789863d5ceb/FLAGca78e4929 [2021-11-12 23:05:00,494 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:05:00,496 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-11-12 23:05:00,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/379eb5849/ba1ac05ebce34ba4a6d95789863d5ceb/FLAGca78e4929 [2021-11-12 23:05:00,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/data/379eb5849/ba1ac05ebce34ba4a6d95789863d5ceb [2021-11-12 23:05:00,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:05:00,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:05:00,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:00,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:05:00,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:05:00,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:00" (1/1) ... [2021-11-12 23:05:00,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc2ba23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:00, skipping insertion in model container [2021-11-12 23:05:00,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:05:00" (1/1) ... [2021-11-12 23:05:00,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:05:01,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:05:07,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-11-12 23:05:07,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-11-12 23:05:07,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-11-12 23:05:07,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-11-12 23:05:07,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-11-12 23:05:07,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-11-12 23:05:07,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-11-12 23:05:07,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-11-12 23:05:07,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-11-12 23:05:07,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-11-12 23:05:07,450 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-11-12 23:05:07,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-11-12 23:05:07,451 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-11-12 23:05:07,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-11-12 23:05:07,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-11-12 23:05:07,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-11-12 23:05:07,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-11-12 23:05:07,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-11-12 23:05:07,454 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-11-12 23:05:07,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-11-12 23:05:07,455 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-11-12 23:05:07,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-11-12 23:05:07,456 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-11-12 23:05:07,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-11-12 23:05:07,457 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-11-12 23:05:07,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-11-12 23:05:07,458 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-11-12 23:05:07,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-11-12 23:05:07,459 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-11-12 23:05:07,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-11-12 23:05:07,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-11-12 23:05:07,460 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-11-12 23:05:07,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-11-12 23:05:07,461 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-11-12 23:05:07,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-11-12 23:05:07,462 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-11-12 23:05:07,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-11-12 23:05:07,463 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-11-12 23:05:07,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-11-12 23:05:07,464 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-11-12 23:05:07,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-11-12 23:05:07,465 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-11-12 23:05:07,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-11-12 23:05:07,466 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-11-12 23:05:07,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-11-12 23:05:07,467 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-11-12 23:05:07,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-11-12 23:05:07,468 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-11-12 23:05:07,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-11-12 23:05:07,469 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-11-12 23:05:07,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-11-12 23:05:07,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-11-12 23:05:07,470 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-11-12 23:05:07,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-11-12 23:05:07,471 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-11-12 23:05:07,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-11-12 23:05:07,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-11-12 23:05:07,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-11-12 23:05:07,473 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-11-12 23:05:07,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-11-12 23:05:07,474 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-11-12 23:05:07,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-11-12 23:05:07,475 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-11-12 23:05:07,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-11-12 23:05:07,476 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-11-12 23:05:07,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-11-12 23:05:07,477 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-11-12 23:05:07,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-11-12 23:05:07,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-11-12 23:05:07,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-11-12 23:05:07,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-11-12 23:05:07,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-11-12 23:05:07,480 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-11-12 23:05:07,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-11-12 23:05:07,482 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-11-12 23:05:07,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-11-12 23:05:07,483 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-11-12 23:05:07,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-11-12 23:05:07,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-11-12 23:05:07,484 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-11-12 23:05:07,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-11-12 23:05:07,485 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-11-12 23:05:07,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-11-12 23:05:07,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-11-12 23:05:07,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-11-12 23:05:07,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-11-12 23:05:07,487 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-11-12 23:05:07,488 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-11-12 23:05:07,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:07,614 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:05:07,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:05:08,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-11-12 23:05:08,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-11-12 23:05:08,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-11-12 23:05:08,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-11-12 23:05:08,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-11-12 23:05:08,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-11-12 23:05:08,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-11-12 23:05:08,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-11-12 23:05:08,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-11-12 23:05:08,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-11-12 23:05:08,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-11-12 23:05:08,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-11-12 23:05:08,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-11-12 23:05:08,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-11-12 23:05:08,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-11-12 23:05:08,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-11-12 23:05:08,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-11-12 23:05:08,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-11-12 23:05:08,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-11-12 23:05:08,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-11-12 23:05:08,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-11-12 23:05:08,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-11-12 23:05:08,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-11-12 23:05:08,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-11-12 23:05:08,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-11-12 23:05:08,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-11-12 23:05:08,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-11-12 23:05:08,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-11-12 23:05:08,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-11-12 23:05:08,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-11-12 23:05:08,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-11-12 23:05:08,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-11-12 23:05:08,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-11-12 23:05:08,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-11-12 23:05:08,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-11-12 23:05:08,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-11-12 23:05:08,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-11-12 23:05:08,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-11-12 23:05:08,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-11-12 23:05:08,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-11-12 23:05:08,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-11-12 23:05:08,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-11-12 23:05:08,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-11-12 23:05:08,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-11-12 23:05:08,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-11-12 23:05:08,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-11-12 23:05:08,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-11-12 23:05:08,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-11-12 23:05:08,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-11-12 23:05:08,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-11-12 23:05:08,327 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-11-12 23:05:08,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-11-12 23:05:08,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-11-12 23:05:08,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-11-12 23:05:08,330 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-11-12 23:05:08,331 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-11-12 23:05:08,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-11-12 23:05:08,332 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-11-12 23:05:08,333 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-11-12 23:05:08,334 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-11-12 23:05:08,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-11-12 23:05:08,338 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-11-12 23:05:08,338 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-11-12 23:05:08,340 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-11-12 23:05:08,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-11-12 23:05:08,342 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-11-12 23:05:08,342 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-11-12 23:05:08,343 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-11-12 23:05:08,343 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-11-12 23:05:08,349 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-11-12 23:05:08,350 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-11-12 23:05:08,350 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-11-12 23:05:08,351 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-11-12 23:05:08,351 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-11-12 23:05:08,351 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-11-12 23:05:08,352 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-11-12 23:05:08,352 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-11-12 23:05:08,352 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-11-12 23:05:08,354 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-11-12 23:05:08,355 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-11-12 23:05:08,355 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-11-12 23:05:08,356 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-11-12 23:05:08,357 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-11-12 23:05:08,357 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-11-12 23:05:08,358 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-11-12 23:05:08,359 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-11-12 23:05:08,359 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-11-12 23:05:08,360 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_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-11-12 23:05:08,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:08,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:05:09,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502597,502610] [2021-11-12 23:05:09,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502742,502755] [2021-11-12 23:05:09,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[502888,502901] [2021-11-12 23:05:09,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503053,503066] [2021-11-12 23:05:09,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503211,503224] [2021-11-12 23:05:09,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503369,503382] [2021-11-12 23:05:09,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503527,503540] [2021-11-12 23:05:09,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503687,503700] [2021-11-12 23:05:09,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503846,503859] [2021-11-12 23:05:09,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[503985,503998] [2021-11-12 23:05:09,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504127,504140] [2021-11-12 23:05:09,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504276,504289] [2021-11-12 23:05:09,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504415,504428] [2021-11-12 23:05:09,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504570,504583] [2021-11-12 23:05:09,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504730,504743] [2021-11-12 23:05:09,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[504881,504894] [2021-11-12 23:05:09,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505032,505045] [2021-11-12 23:05:09,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505184,505197] [2021-11-12 23:05:09,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505333,505346] [2021-11-12 23:05:09,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505481,505494] [2021-11-12 23:05:09,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505638,505651] [2021-11-12 23:05:09,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505787,505800] [2021-11-12 23:05:09,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[505943,505956] [2021-11-12 23:05:09,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506096,506109] [2021-11-12 23:05:09,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506242,506255] [2021-11-12 23:05:09,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506385,506398] [2021-11-12 23:05:09,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506537,506550] [2021-11-12 23:05:09,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506683,506696] [2021-11-12 23:05:09,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506828,506841] [2021-11-12 23:05:09,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[506982,506995] [2021-11-12 23:05:09,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507133,507146] [2021-11-12 23:05:09,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507288,507301] [2021-11-12 23:05:09,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507440,507453] [2021-11-12 23:05:09,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507595,507608] [2021-11-12 23:05:09,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507759,507772] [2021-11-12 23:05:09,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[507915,507928] [2021-11-12 23:05:09,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508079,508092] [2021-11-12 23:05:09,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508221,508234] [2021-11-12 23:05:09,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508379,508392] [2021-11-12 23:05:09,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508546,508559] [2021-11-12 23:05:09,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508705,508718] [2021-11-12 23:05:09,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[508864,508877] [2021-11-12 23:05:09,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509013,509026] [2021-11-12 23:05:09,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509160,509173] [2021-11-12 23:05:09,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509299,509312] [2021-11-12 23:05:09,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509462,509475] [2021-11-12 23:05:09,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509628,509641] [2021-11-12 23:05:09,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509792,509805] [2021-11-12 23:05:09,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[509957,509970] [2021-11-12 23:05:09,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510122,510135] [2021-11-12 23:05:09,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510288,510301] [2021-11-12 23:05:09,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510453,510466] [2021-11-12 23:05:09,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510620,510633] [2021-11-12 23:05:09,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510780,510793] [2021-11-12 23:05:09,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[510942,510955] [2021-11-12 23:05:09,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511101,511114] [2021-11-12 23:05:09,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511247,511260] [2021-11-12 23:05:09,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511390,511403] [2021-11-12 23:05:09,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511534,511547] [2021-11-12 23:05:09,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511677,511690] [2021-11-12 23:05:09,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511821,511834] [2021-11-12 23:05:09,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[511962,511975] [2021-11-12 23:05:09,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512100,512113] [2021-11-12 23:05:09,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512258,512271] [2021-11-12 23:05:09,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512417,512430] [2021-11-12 23:05:09,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512573,512586] [2021-11-12 23:05:09,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512722,512735] [2021-11-12 23:05:09,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[512874,512887] [2021-11-12 23:05:09,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513025,513038] [2021-11-12 23:05:09,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513174,513187] [2021-11-12 23:05:09,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513326,513339] [2021-11-12 23:05:09,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513474,513487] [2021-11-12 23:05:09,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513627,513640] [2021-11-12 23:05:09,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513778,513791] [2021-11-12 23:05:09,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[513928,513941] [2021-11-12 23:05:09,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514075,514088] [2021-11-12 23:05:09,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514226,514239] [2021-11-12 23:05:09,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514377,514390] [2021-11-12 23:05:09,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514525,514538] [2021-11-12 23:05:09,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514691,514704] [2021-11-12 23:05:09,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[514860,514873] [2021-11-12 23:05:09,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515027,515040] [2021-11-12 23:05:09,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515195,515208] [2021-11-12 23:05:09,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515345,515358] [2021-11-12 23:05:09,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515492,515505] [2021-11-12 23:05:09,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515653,515666] [2021-11-12 23:05:09,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515823,515836] [2021-11-12 23:05:09,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i[515985,515998] [2021-11-12 23:05:09,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:05:09,844 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:05:09,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09 WrapperNode [2021-11-12 23:05:09,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:05:09,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:05:09,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:05:09,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:05:09,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:05:10,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:05:10,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:05:10,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:05:10,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:10,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:11,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:11,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:11,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:05:11,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:05:11,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:05:11,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:05:11,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (1/1) ... [2021-11-12 23:05:11,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:05:11,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:05:11,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:05:11,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:05:11,279 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_ioctl [2021-11-12 23:05:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_ioctl [2021-11-12 23:05:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:05:11,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-11-12 23:05:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_get_capacity [2021-11-12 23:05:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_get_capacity [2021-11-12 23:05:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:05:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:05:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_device_status [2021-11-12 23:05:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_device_status [2021-11-12 23:05:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_getgeo [2021-11-12 23:05:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_getgeo [2021-11-12 23:05:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:05:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:05:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:05:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:05:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-12 23:05:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-12 23:05:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:05:11,283 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:05:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_exec_internal_command [2021-11-12 23:05:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_exec_internal_command [2021-11-12 23:05:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:05:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:05:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_read_log_page [2021-11-12 23:05:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_read_log_page [2021-11-12 23:05:11,284 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:05:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:05:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:05:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:05:11,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_106 [2021-11-12 23:05:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_106 [2021-11-12 23:05:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure ata_swap_string [2021-11-12 23:05:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_swap_string [2021-11-12 23:05:11,286 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2021-11-12 23:05:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2021-11-12 23:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-12 23:05:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-12 23:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:05:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:05:11,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:05:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:05:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_least_used_cpu_on_node [2021-11-12 23:05:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_least_used_cpu_on_node [2021-11-12 23:05:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:05:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:05:11,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:05:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:05:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:05:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:05:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:05:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:05:11,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:05:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-12 23:05:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-12 23:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:05:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:05:11,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-12 23:05:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-12 23:05:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-12 23:05:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-12 23:05:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:05:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure __pcibus_to_node [2021-11-12 23:05:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __pcibus_to_node [2021-11-12 23:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_start_port [2021-11-12 23:05:11,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_start_port [2021-11-12 23:05:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:05:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:05:11,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:05:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-12 23:05:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-12 23:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:05:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:05:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-12 23:05:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-12 23:05:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:05:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-12 23:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-12 23:05:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:05:11,295 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_rq_from_tag [2021-11-12 23:05:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_rq_from_tag [2021-11-12 23:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:05:11,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:05:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:05:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:05:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hba_reset [2021-11-12 23:05:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hba_reset [2021-11-12 23:05:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:05:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure bdput [2021-11-12 23:05:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bdput [2021-11-12 23:05:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_standby_immediate [2021-11-12 23:05:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_standby_immediate [2021-11-12 23:05:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_get [2021-11-12 23:05:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_get [2021-11-12 23:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-12 23:05:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-12 23:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-12 23:05:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-12 23:05:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2021-11-12 23:05:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2021-11-12 23:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:05:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_sysfs_exit [2021-11-12 23:05:11,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_sysfs_exit [2021-11-12 23:05:11,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:05:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:05:11,301 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_disable_link_opts [2021-11-12 23:05:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_disable_link_opts [2021-11-12 23:05:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-12 23:05:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-12 23:05:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_cmd_from_tag [2021-11-12 23:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_cmd_from_tag [2021-11-12 23:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:05:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:05:11,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:05:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:05:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:05:11,304 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-11-12 23:05:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-11-12 23:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure exec_drive_taskfile [2021-11-12 23:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure exec_drive_taskfile [2021-11-12 23:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-11-12 23:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-11-12 23:05:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:05:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2021-11-12 23:05:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ida_remove [2021-11-12 23:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_restart_port [2021-11-12 23:05:11,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_restart_port [2021-11-12 23:05:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 23:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 23:05:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:05:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:05:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:05:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_remove [2021-11-12 23:05:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_remove [2021-11-12 23:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:05:11,308 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:05:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2021-11-12 23:05:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2021-11-12 23:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_compat_ioctl [2021-11-12 23:05:11,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_compat_ioctl [2021-11-12 23:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:05:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:05:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-12 23:05:11,310 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-12 23:05:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_resume [2021-11-12 23:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_resume [2021-11-12 23:05:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_105 [2021-11-12 23:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_105 [2021-11-12 23:05:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-12 23:05:11,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-12 23:05:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_device_reset [2021-11-12 23:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_device_reset [2021-11-12 23:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:05:11,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:05:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-11-12 23:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-11-12 23:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2021-11-12 23:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_end_request [2021-11-12 23:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-12 23:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-12 23:05:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_block_initialize [2021-11-12 23:05:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_block_initialize [2021-11-12 23:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_first_bit [2021-11-12 23:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_first_bit [2021-11-12 23:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:05:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:05:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_ioctl [2021-11-12 23:05:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_ioctl [2021-11-12 23:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure __first_node [2021-11-12 23:05:11,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __first_node [2021-11-12 23:05:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2021-11-12 23:05:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2021-11-12 23:05:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:05:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:05:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:05:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-12 23:05:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-12 23:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_deinit_port [2021-11-12 23:05:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_deinit_port [2021-11-12 23:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:05:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:05:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:05:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:05:11,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:05:11,319 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-12 23:05:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-12 23:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-12 23:05:11,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-12 23:05:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-11-12 23:05:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-11-12 23:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:05:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_exit [2021-11-12 23:05:11,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_exit [2021-11-12 23:05:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2021-11-12 23:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_lock [2021-11-12 23:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-12 23:05:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-12 23:05:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-12 23:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-12 23:05:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:05:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:05:11,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:05:11,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_first [2021-11-12 23:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_first [2021-11-12 23:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:05:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_next_rr_node [2021-11-12 23:05:11,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_next_rr_node [2021-11-12 23:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure hba_setup [2021-11-12 23:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure hba_setup [2021-11-12 23:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_fis [2021-11-12 23:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_fis [2021-11-12 23:05:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:05:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-12 23:05:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-12 23:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:05:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:05:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_iounmap_regions [2021-11-12 23:05:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_iounmap_regions [2021-11-12 23:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_debugfs_exit [2021-11-12 23:05:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_debugfs_exit [2021-11-12 23:05:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 23:05:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 23:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 23:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 23:05:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:05:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_put_int_command [2021-11-12 23:05:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_put_int_command [2021-11-12 23:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:05:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:05:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:05:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_alloc_coherent [2021-11-12 23:05:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_alloc_coherent [2021-11-12 23:05:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:05:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:05:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure print_tags [2021-11-12 23:05:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure print_tags [2021-11-12 23:05:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:05:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:05:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_find_bit_find_next_bit [2021-11-12 23:05:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_find_bit_find_next_bit [2021-11-12 23:05:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:05:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:05:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure drop_cpu [2021-11-12 23:05:11,332 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_cpu [2021-11-12 23:05:11,332 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-12 23:05:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-12 23:05:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:05:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:05:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_flags [2021-11-12 23:05:11,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_flags [2021-11-12 23:05:11,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_init_port [2021-11-12 23:05:11,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_init_port [2021-11-12 23:05:11,334 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:05:11,335 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:05:11,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:05:11,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:05:11,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:05:11,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:05:11,335 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-12 23:05:11,336 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-12 23:05:11,336 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2021-11-12 23:05:11,336 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_start_stopped_hw_queues [2021-11-12 23:05:11,336 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-12 23:05:11,336 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-12 23:05:11,336 INFO L130 BoogieDeclarations]: Found specification of procedure dmam_free_coherent [2021-11-12 23:05:11,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dmam_free_coherent [2021-11-12 23:05:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:05:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-12 23:05:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_issue_ncq_command [2021-11-12 23:05:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_issue_ncq_command [2021-11-12 23:05:11,337 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2021-11-12 23:05:11,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2021-11-12 23:05:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_get_identify [2021-11-12 23:05:11,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_get_identify [2021-11-12 23:05:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:05:11,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:05:11,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:05:11,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:05:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-12 23:05:11,339 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-12 23:05:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:05:11,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:05:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:05:11,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:05:11,339 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_set_timeout [2021-11-12 23:05:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_set_timeout [2021-11-12 23:05:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:05:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:05:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:05:11,340 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:05:11,340 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2021-11-12 23:05:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2021-11-12 23:05:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_hw_read_registers [2021-11-12 23:05:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_hw_read_registers [2021-11-12 23:05:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_pci_shutdown [2021-11-12 23:05:11,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_pci_shutdown [2021-11-12 23:05:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_enable_engine [2021-11-12 23:05:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_enable_engine [2021-11-12 23:05:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:05:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:05:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:05:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:05:11,342 INFO L130 BoogieDeclarations]: Found specification of procedure pcim_enable_device [2021-11-12 23:05:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pcim_enable_device [2021-11-12 23:05:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_check_surprise_removal [2021-11-12 23:05:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_check_surprise_removal [2021-11-12 23:05:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-12 23:05:11,343 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-12 23:05:11,343 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2021-11-12 23:05:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2021-11-12 23:05:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2021-11-12 23:05:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2021-11-12 23:05:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:05:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:05:11,344 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2021-11-12 23:05:11,344 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2021-11-12 23:05:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-12 23:05:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-12 23:05:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:05:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:05:11,345 INFO L130 BoogieDeclarations]: Found specification of procedure mtip_dma_free [2021-11-12 23:05:11,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mtip_dma_free [2021-11-12 23:05:14,019 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:06:54,888 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:06:54,888 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-12 23:06:54,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:54 BoogieIcfgContainer [2021-11-12 23:06:54,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:06:54,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:06:54,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:06:54,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:06:54,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:05:00" (1/3) ... [2021-11-12 23:06:54,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27733b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:54, skipping insertion in model container [2021-11-12 23:06:54,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:05:09" (2/3) ... [2021-11-12 23:06:54,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27733b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:06:54, skipping insertion in model container [2021-11-12 23:06:54,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:06:54" (3/3) ... [2021-11-12 23:06:54,906 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--mtip32xx--mtip32xx.ko.cil.i [2021-11-12 23:06:54,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:06:54,912 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2021-11-12 23:06:54,984 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:06:54,990 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 23:06:54,991 INFO L340 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-11-12 23:06:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand has 3144 states, 2077 states have (on average 1.2980259990370726) internal successors, (2696), 2171 states have internal predecessors, (2696), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) [2021-11-12 23:06:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-12 23:06:55,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:06:55,096 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] [2021-11-12 23:06:55,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:06:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:06:55,102 INFO L85 PathProgramCache]: Analyzing trace with hash -717329001, now seen corresponding path program 1 times [2021-11-12 23:06:55,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:06:55,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182016356] [2021-11-12 23:06:55,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:06:55,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:06:55,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:06:55,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:06:55,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:07:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:02,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:02,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:04,167 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 23:07:04,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:04,993 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 23:07:04,993 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:04,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182016356] [2021-11-12 23:07:04,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182016356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:04,994 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:04,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:04,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162964080] [2021-11-12 23:07:04,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:05,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:05,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:05,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:05,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:05,050 INFO L87 Difference]: Start difference. First operand has 3144 states, 2077 states have (on average 1.2980259990370726) internal successors, (2696), 2171 states have internal predecessors, (2696), 856 states have call successors, (856), 178 states have call predecessors, (856), 177 states have return successors, (847), 834 states have call predecessors, (847), 847 states have call successors, (847) 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, (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 23:07:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:05,665 INFO L93 Difference]: Finished difference Result 6186 states and 8794 transitions. [2021-11-12 23:07:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:05,668 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, (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 69 [2021-11-12 23:07:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:05,735 INFO L225 Difference]: With dead ends: 6186 [2021-11-12 23:07:05,735 INFO L226 Difference]: Without dead ends: 3072 [2021-11-12 23:07:05,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:07:05,771 INFO L933 BasicCegarLoop]: 4254 mSDtfsCounter, 4199 mSDsluCounter, 8504 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 12758 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 88.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:05,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4201 Valid, 12758 Invalid, 2 Unknown, 0 Unchecked, 88.44ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 20.25ms Time] [2021-11-12 23:07:05,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2021-11-12 23:07:06,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3072. [2021-11-12 23:07:06,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 2017 states have (on average 1.2592959841348537) internal successors, (2540), 2102 states have internal predecessors, (2540), 846 states have call successors, (846), 177 states have call predecessors, (846), 176 states have return successors, (844), 831 states have call predecessors, (844), 844 states have call successors, (844) [2021-11-12 23:07:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 4230 transitions. [2021-11-12 23:07:06,242 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 4230 transitions. Word has length 69 [2021-11-12 23:07:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:06,244 INFO L470 AbstractCegarLoop]: Abstraction has 3072 states and 4230 transitions. [2021-11-12 23:07:06,245 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, (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 23:07:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 4230 transitions. [2021-11-12 23:07:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-12 23:07:06,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:06,258 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] [2021-11-12 23:07:06,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:07:06,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:06,483 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:07:06,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:06,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1836713535, now seen corresponding path program 1 times [2021-11-12 23:07:06,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:06,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669268332] [2021-11-12 23:07:06,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:06,491 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:06,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:06,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:07:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:13,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1981 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:13,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:15,085 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 23:07:15,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:15,861 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 23:07:15,861 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:15,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669268332] [2021-11-12 23:07:15,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669268332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:15,861 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:15,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:15,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546570341] [2021-11-12 23:07:15,862 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:15,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:15,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:15,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:15,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:15,865 INFO L87 Difference]: Start difference. First operand 3072 states and 4230 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 23:07:16,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:16,677 INFO L93 Difference]: Finished difference Result 6061 states and 8351 transitions. [2021-11-12 23:07:16,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:07:16,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 75 [2021-11-12 23:07:16,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:16,736 INFO L225 Difference]: With dead ends: 6061 [2021-11-12 23:07:16,736 INFO L226 Difference]: Without dead ends: 6059 [2021-11-12 23:07:16,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:07:16,741 INFO L933 BasicCegarLoop]: 5272 mSDtfsCounter, 4110 mSDsluCounter, 14708 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 252.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4112 SdHoareTripleChecker+Valid, 19980 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.73ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 260.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:16,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4112 Valid, 19980 Invalid, 25 Unknown, 0 Unchecked, 60.73ms Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 260.92ms Time] [2021-11-12 23:07:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6059 states. [2021-11-12 23:07:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6059 to 5856. [2021-11-12 23:07:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5856 states, 3868 states have (on average 1.2621509824198551) internal successors, (4882), 4005 states have internal predecessors, (4882), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:07:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5856 states to 5856 states and 8136 transitions. [2021-11-12 23:07:17,155 INFO L78 Accepts]: Start accepts. Automaton has 5856 states and 8136 transitions. Word has length 75 [2021-11-12 23:07:17,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:17,157 INFO L470 AbstractCegarLoop]: Abstraction has 5856 states and 8136 transitions. [2021-11-12 23:07:17,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 23:07:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5856 states and 8136 transitions. [2021-11-12 23:07:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-12 23:07:17,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:17,161 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] [2021-11-12 23:07:17,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:07:17,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:17,375 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:07:17,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:17,376 INFO L85 PathProgramCache]: Analyzing trace with hash 115134979, now seen corresponding path program 1 times [2021-11-12 23:07:17,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:17,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144523244] [2021-11-12 23:07:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:17,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:17,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:17,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:07:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:24,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1990 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:24,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:26,605 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 23:07:26,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:27,546 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 23:07:27,547 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:27,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144523244] [2021-11-12 23:07:27,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144523244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:27,547 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:27,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:27,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562373974] [2021-11-12 23:07:27,548 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:27,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:27,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:27,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:27,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:27,549 INFO L87 Difference]: Start difference. First operand 5856 states and 8136 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 23:07:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:28,066 INFO L93 Difference]: Finished difference Result 5856 states and 8136 transitions. [2021-11-12 23:07:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 81 [2021-11-12 23:07:28,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:28,131 INFO L225 Difference]: With dead ends: 5856 [2021-11-12 23:07:28,132 INFO L226 Difference]: Without dead ends: 5854 [2021-11-12 23:07:28,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:07:28,141 INFO L933 BasicCegarLoop]: 4225 mSDtfsCounter, 4158 mSDsluCounter, 8446 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4160 SdHoareTripleChecker+Valid, 12671 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.20ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.15ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:28,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4160 Valid, 12671 Invalid, 6 Unknown, 0 Unchecked, 41.20ms Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 65.15ms Time] [2021-11-12 23:07:28,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2021-11-12 23:07:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5854. [2021-11-12 23:07:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5854 states, 3867 states have (on average 1.2619601758469097) internal successors, (4880), 4003 states have internal predecessors, (4880), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:07:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5854 states to 5854 states and 8134 transitions. [2021-11-12 23:07:28,587 INFO L78 Accepts]: Start accepts. Automaton has 5854 states and 8134 transitions. Word has length 81 [2021-11-12 23:07:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:28,588 INFO L470 AbstractCegarLoop]: Abstraction has 5854 states and 8134 transitions. [2021-11-12 23:07:28,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 23:07:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5854 states and 8134 transitions. [2021-11-12 23:07:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-12 23:07:28,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:28,593 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] [2021-11-12 23:07:28,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-12 23:07:28,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:28,815 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:07:28,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1584836026, now seen corresponding path program 1 times [2021-11-12 23:07:28,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:28,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169937444] [2021-11-12 23:07:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:28,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:28,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:28,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:28,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:07:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:35,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1999 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:35,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:37,739 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 23:07:37,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:38,623 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 23:07:38,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:38,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169937444] [2021-11-12 23:07:38,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169937444] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:38,624 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:38,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:38,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038803731] [2021-11-12 23:07:38,625 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:38,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:38,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:38,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:38,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:38,627 INFO L87 Difference]: Start difference. First operand 5854 states and 8134 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 23:07:39,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:39,217 INFO L93 Difference]: Finished difference Result 5854 states and 8134 transitions. [2021-11-12 23:07:39,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:39,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 87 [2021-11-12 23:07:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:39,291 INFO L225 Difference]: With dead ends: 5854 [2021-11-12 23:07:39,292 INFO L226 Difference]: Without dead ends: 5852 [2021-11-12 23:07:39,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:07:39,301 INFO L933 BasicCegarLoop]: 4223 mSDtfsCounter, 4150 mSDsluCounter, 8442 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4152 SdHoareTripleChecker+Valid, 12665 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:39,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4152 Valid, 12665 Invalid, 6 Unknown, 0 Unchecked, 38.16ms Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 62.32ms Time] [2021-11-12 23:07:39,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2021-11-12 23:07:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5852. [2021-11-12 23:07:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 3866 states have (on average 1.2617692705638903) internal successors, (4878), 4001 states have internal predecessors, (4878), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:07:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 8132 transitions. [2021-11-12 23:07:39,858 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 8132 transitions. Word has length 87 [2021-11-12 23:07:39,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:39,859 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 8132 transitions. [2021-11-12 23:07:39,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 23:07:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 8132 transitions. [2021-11-12 23:07:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 23:07:39,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:39,864 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] [2021-11-12 23:07:39,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:07:40,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:40,079 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:07:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:40,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1245151128, now seen corresponding path program 1 times [2021-11-12 23:07:40,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:40,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246220156] [2021-11-12 23:07:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:40,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:40,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:40,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:07:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:46,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 2008 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:46,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:48,744 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 23:07:48,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:49,573 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 23:07:49,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:49,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246220156] [2021-11-12 23:07:49,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246220156] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:49,574 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:49,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:49,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876715705] [2021-11-12 23:07:49,575 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:49,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:49,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:49,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:49,577 INFO L87 Difference]: Start difference. First operand 5852 states and 8132 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 23:07:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:07:50,000 INFO L93 Difference]: Finished difference Result 5852 states and 8132 transitions. [2021-11-12 23:07:50,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:07:50,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 93 [2021-11-12 23:07:50,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:07:50,064 INFO L225 Difference]: With dead ends: 5852 [2021-11-12 23:07:50,064 INFO L226 Difference]: Without dead ends: 5850 [2021-11-12 23:07:50,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:07:50,068 INFO L933 BasicCegarLoop]: 4222 mSDtfsCounter, 4146 mSDsluCounter, 4220 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4148 SdHoareTripleChecker+Valid, 8442 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:07:50,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4148 Valid, 8442 Invalid, 2 Unknown, 0 Unchecked, 18.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 20.03ms Time] [2021-11-12 23:07:50,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2021-11-12 23:07:50,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5850. [2021-11-12 23:07:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5850 states, 3865 states have (on average 1.2615782664941786) internal successors, (4876), 3999 states have internal predecessors, (4876), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:07:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5850 states to 5850 states and 8130 transitions. [2021-11-12 23:07:50,433 INFO L78 Accepts]: Start accepts. Automaton has 5850 states and 8130 transitions. Word has length 93 [2021-11-12 23:07:50,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:07:50,434 INFO L470 AbstractCegarLoop]: Abstraction has 5850 states and 8130 transitions. [2021-11-12 23:07:50,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 23:07:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5850 states and 8130 transitions. [2021-11-12 23:07:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-12 23:07:50,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:07:50,440 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] [2021-11-12 23:07:50,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:07:50,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:07:50,663 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:07:50,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:07:50,664 INFO L85 PathProgramCache]: Analyzing trace with hash 563319453, now seen corresponding path program 1 times [2021-11-12 23:07:50,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:07:50,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517116827] [2021-11-12 23:07:50,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:07:50,667 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:07:50,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:07:50,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:07:50,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:07:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:07:57,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:07:57,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:07:59,073 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 23:07:59,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:07:59,932 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 23:07:59,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:07:59,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517116827] [2021-11-12 23:07:59,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517116827] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:07:59,932 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:07:59,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:07:59,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690825050] [2021-11-12 23:07:59,933 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:07:59,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:07:59,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:07:59,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:07:59,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:07:59,935 INFO L87 Difference]: Start difference. First operand 5850 states and 8130 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 23:08:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:00,309 INFO L93 Difference]: Finished difference Result 5850 states and 8130 transitions. [2021-11-12 23:08:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:00,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 99 [2021-11-12 23:08:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:00,342 INFO L225 Difference]: With dead ends: 5850 [2021-11-12 23:08:00,343 INFO L226 Difference]: Without dead ends: 5848 [2021-11-12 23:08:00,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:00,349 INFO L933 BasicCegarLoop]: 4220 mSDtfsCounter, 4138 mSDsluCounter, 4218 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4140 SdHoareTripleChecker+Valid, 8438 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.07ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:00,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4140 Valid, 8438 Invalid, 2 Unknown, 0 Unchecked, 18.07ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.05ms Time] [2021-11-12 23:08:00,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5848 states. [2021-11-12 23:08:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5848 to 5848. [2021-11-12 23:08:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5848 states, 3864 states have (on average 1.2613871635610765) internal successors, (4874), 3997 states have internal predecessors, (4874), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5848 states to 5848 states and 8128 transitions. [2021-11-12 23:08:00,804 INFO L78 Accepts]: Start accepts. Automaton has 5848 states and 8128 transitions. Word has length 99 [2021-11-12 23:08:00,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:00,805 INFO L470 AbstractCegarLoop]: Abstraction has 5848 states and 8128 transitions. [2021-11-12 23:08:00,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 23:08:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5848 states and 8128 transitions. [2021-11-12 23:08:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-12 23:08:00,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:00,809 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] [2021-11-12 23:08:00,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-12 23:08:01,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:01,035 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -977665960, now seen corresponding path program 1 times [2021-11-12 23:08:01,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:01,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460219550] [2021-11-12 23:08:01,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:01,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:01,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:01,040 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:01,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:08:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:07,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:08:07,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:09,823 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 23:08:09,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:10,728 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 23:08:10,728 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:10,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460219550] [2021-11-12 23:08:10,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [460219550] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:10,729 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:10,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:08:10,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209975237] [2021-11-12 23:08:10,729 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:10,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:08:10,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:10,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:08:10,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:08:10,730 INFO L87 Difference]: Start difference. First operand 5848 states and 8128 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 23:08:11,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:11,124 INFO L93 Difference]: Finished difference Result 5848 states and 8128 transitions. [2021-11-12 23:08:11,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:11,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 105 [2021-11-12 23:08:11,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:11,152 INFO L225 Difference]: With dead ends: 5848 [2021-11-12 23:08:11,152 INFO L226 Difference]: Without dead ends: 5846 [2021-11-12 23:08:11,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:11,158 INFO L933 BasicCegarLoop]: 4218 mSDtfsCounter, 4127 mSDsluCounter, 8432 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4129 SdHoareTripleChecker+Valid, 12650 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.56ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:11,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4129 Valid, 12650 Invalid, 2 Unknown, 0 Unchecked, 21.56ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.34ms Time] [2021-11-12 23:08:11,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5846 states. [2021-11-12 23:08:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5846 to 5846. [2021-11-12 23:08:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 3863 states have (on average 1.2611959616878075) internal successors, (4872), 3995 states have internal predecessors, (4872), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 8126 transitions. [2021-11-12 23:08:11,548 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 8126 transitions. Word has length 105 [2021-11-12 23:08:11,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:11,549 INFO L470 AbstractCegarLoop]: Abstraction has 5846 states and 8126 transitions. [2021-11-12 23:08:11,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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 23:08:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 8126 transitions. [2021-11-12 23:08:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-12 23:08:11,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:11,552 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] [2021-11-12 23:08:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:11,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:11,779 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:11,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:11,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1085716175, now seen corresponding path program 1 times [2021-11-12 23:08:11,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:11,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851649075] [2021-11-12 23:08:11,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:11,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:11,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:11,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:08:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:18,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:08:18,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:20,784 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 23:08:20,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:21,814 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 23:08:21,814 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:21,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851649075] [2021-11-12 23:08:21,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851649075] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:21,814 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:21,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:08:21,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829649992] [2021-11-12 23:08:21,815 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:21,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:08:21,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:21,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:08:21,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:08:21,817 INFO L87 Difference]: Start difference. First operand 5846 states and 8126 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, (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 23:08:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:22,318 INFO L93 Difference]: Finished difference Result 5846 states and 8126 transitions. [2021-11-12 23:08:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:22,319 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, (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 111 [2021-11-12 23:08:22,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:22,356 INFO L225 Difference]: With dead ends: 5846 [2021-11-12 23:08:22,356 INFO L226 Difference]: Without dead ends: 5844 [2021-11-12 23:08:22,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:22,363 INFO L933 BasicCegarLoop]: 4216 mSDtfsCounter, 4130 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 8426 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.33ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:22,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4132 Valid, 8426 Invalid, 2 Unknown, 0 Unchecked, 21.14ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 23.33ms Time] [2021-11-12 23:08:22,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2021-11-12 23:08:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5844. [2021-11-12 23:08:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5844 states, 3862 states have (on average 1.2610046607975143) internal successors, (4870), 3993 states have internal predecessors, (4870), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5844 states to 5844 states and 8124 transitions. [2021-11-12 23:08:22,822 INFO L78 Accepts]: Start accepts. Automaton has 5844 states and 8124 transitions. Word has length 111 [2021-11-12 23:08:22,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:22,823 INFO L470 AbstractCegarLoop]: Abstraction has 5844 states and 8124 transitions. [2021-11-12 23:08:22,823 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, (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 23:08:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5844 states and 8124 transitions. [2021-11-12 23:08:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-12 23:08:22,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:22,826 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] [2021-11-12 23:08:22,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:23,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:23,051 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:23,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 304013716, now seen corresponding path program 1 times [2021-11-12 23:08:23,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:23,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926794602] [2021-11-12 23:08:23,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:23,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:23,059 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:23,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:08:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:29,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2038 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:08:29,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:32,109 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 23:08:32,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:33,284 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 23:08:33,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:33,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926794602] [2021-11-12 23:08:33,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926794602] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:33,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:33,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:08:33,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940886950] [2021-11-12 23:08:33,286 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:33,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:08:33,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:08:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:08:33,288 INFO L87 Difference]: Start difference. First operand 5844 states and 8124 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 23:08:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:33,733 INFO L93 Difference]: Finished difference Result 5844 states and 8124 transitions. [2021-11-12 23:08:33,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:33,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 113 [2021-11-12 23:08:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:33,769 INFO L225 Difference]: With dead ends: 5844 [2021-11-12 23:08:33,769 INFO L226 Difference]: Without dead ends: 5842 [2021-11-12 23:08:33,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:33,777 INFO L933 BasicCegarLoop]: 4214 mSDtfsCounter, 4115 mSDsluCounter, 8424 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4117 SdHoareTripleChecker+Valid, 12638 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.11ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:33,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4117 Valid, 12638 Invalid, 2 Unknown, 0 Unchecked, 22.11ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 22.71ms Time] [2021-11-12 23:08:33,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5842 states. [2021-11-12 23:08:34,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5842 to 5842. [2021-11-12 23:08:34,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5842 states, 3861 states have (on average 1.2608132608132607) internal successors, (4868), 3991 states have internal predecessors, (4868), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 8122 transitions. [2021-11-12 23:08:34,287 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 8122 transitions. Word has length 113 [2021-11-12 23:08:34,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:34,288 INFO L470 AbstractCegarLoop]: Abstraction has 5842 states and 8122 transitions. [2021-11-12 23:08:34,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 23:08:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 8122 transitions. [2021-11-12 23:08:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-12 23:08:34,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:34,292 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] [2021-11-12 23:08:34,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:34,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:34,515 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:34,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:34,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1350630028, now seen corresponding path program 1 times [2021-11-12 23:08:34,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:34,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695905993] [2021-11-12 23:08:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:34,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:34,520 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:34,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:08:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:41,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:08:41,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:43,371 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 23:08:43,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:44,322 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 23:08:44,323 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:44,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695905993] [2021-11-12 23:08:44,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695905993] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:44,324 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:44,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:08:44,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006874063] [2021-11-12 23:08:44,324 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:44,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:08:44,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:44,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:08:44,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:08:44,326 INFO L87 Difference]: Start difference. First operand 5842 states and 8122 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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 23:08:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:44,784 INFO L93 Difference]: Finished difference Result 5842 states and 8122 transitions. [2021-11-12 23:08:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:44,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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 119 [2021-11-12 23:08:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:44,812 INFO L225 Difference]: With dead ends: 5842 [2021-11-12 23:08:44,812 INFO L226 Difference]: Without dead ends: 5840 [2021-11-12 23:08:44,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:44,819 INFO L933 BasicCegarLoop]: 4212 mSDtfsCounter, 4110 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4112 SdHoareTripleChecker+Valid, 8422 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:44,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4112 Valid, 8422 Invalid, 2 Unknown, 0 Unchecked, 14.25ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.86ms Time] [2021-11-12 23:08:44,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5840 states. [2021-11-12 23:08:45,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5840. [2021-11-12 23:08:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5840 states, 3860 states have (on average 1.260621761658031) internal successors, (4866), 3989 states have internal predecessors, (4866), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 8120 transitions. [2021-11-12 23:08:45,248 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 8120 transitions. Word has length 119 [2021-11-12 23:08:45,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:45,249 INFO L470 AbstractCegarLoop]: Abstraction has 5840 states and 8120 transitions. [2021-11-12 23:08:45,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 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 23:08:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 8120 transitions. [2021-11-12 23:08:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-12 23:08:45,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:45,252 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] [2021-11-12 23:08:45,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:45,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:45,475 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1239232198, now seen corresponding path program 1 times [2021-11-12 23:08:45,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:45,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862773211] [2021-11-12 23:08:45,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:45,485 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:45,486 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:45,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:08:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:08:53,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 2056 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:08:53,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:08:55,882 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 23:08:55,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:08:56,893 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 23:08:56,893 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:08:56,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862773211] [2021-11-12 23:08:56,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862773211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:08:56,894 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:08:56,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:08:56,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092087370] [2021-11-12 23:08:56,894 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:08:56,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:08:56,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:08:56,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:08:56,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:08:56,895 INFO L87 Difference]: Start difference. First operand 5840 states and 8120 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 23:08:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:08:57,328 INFO L93 Difference]: Finished difference Result 5840 states and 8120 transitions. [2021-11-12 23:08:57,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:08:57,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 125 [2021-11-12 23:08:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:08:57,358 INFO L225 Difference]: With dead ends: 5840 [2021-11-12 23:08:57,358 INFO L226 Difference]: Without dead ends: 5838 [2021-11-12 23:08:57,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:08:57,363 INFO L933 BasicCegarLoop]: 4210 mSDtfsCounter, 4102 mSDsluCounter, 4208 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 8418 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:08:57,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4104 Valid, 8418 Invalid, 2 Unknown, 0 Unchecked, 11.48ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 19.96ms Time] [2021-11-12 23:08:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5838 states. [2021-11-12 23:08:57,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5838 to 5838. [2021-11-12 23:08:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5838 states, 3859 states have (on average 1.2604301632547292) internal successors, (4864), 3987 states have internal predecessors, (4864), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:08:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 8118 transitions. [2021-11-12 23:08:57,852 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 8118 transitions. Word has length 125 [2021-11-12 23:08:57,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:08:57,853 INFO L470 AbstractCegarLoop]: Abstraction has 5838 states and 8118 transitions. [2021-11-12 23:08:57,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 23:08:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 8118 transitions. [2021-11-12 23:08:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-12 23:08:57,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:08:57,856 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] [2021-11-12 23:08:57,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:08:58,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:08:58,071 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:08:58,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:08:58,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1077770848, now seen corresponding path program 1 times [2021-11-12 23:08:58,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:08:58,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823390302] [2021-11-12 23:08:58,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:08:58,076 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:08:58,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:08:58,078 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:08:58,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:09:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:05,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:09:05,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:07,756 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 23:09:07,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:08,788 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 23:09:08,788 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:09:08,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823390302] [2021-11-12 23:09:08,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823390302] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:09:08,788 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:09:08,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:09:08,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19655418] [2021-11-12 23:09:08,789 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:09:08,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:09:08,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:09:08,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:09:08,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:09:08,790 INFO L87 Difference]: Start difference. First operand 5838 states and 8118 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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 23:09:09,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:09:09,241 INFO L93 Difference]: Finished difference Result 5838 states and 8118 transitions. [2021-11-12 23:09:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:09:09,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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 131 [2021-11-12 23:09:09,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:09:09,268 INFO L225 Difference]: With dead ends: 5838 [2021-11-12 23:09:09,268 INFO L226 Difference]: Without dead ends: 5836 [2021-11-12 23:09:09,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:09:09,273 INFO L933 BasicCegarLoop]: 4208 mSDtfsCounter, 4091 mSDsluCounter, 8412 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4093 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:09:09,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4093 Valid, 12620 Invalid, 2 Unknown, 0 Unchecked, 14.77ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.74ms Time] [2021-11-12 23:09:09,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5836 states. [2021-11-12 23:09:09,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5836 to 5836. [2021-11-12 23:09:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5836 states, 3858 states have (on average 1.2602384655261794) internal successors, (4862), 3985 states have internal predecessors, (4862), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:09:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5836 states to 5836 states and 8116 transitions. [2021-11-12 23:09:09,826 INFO L78 Accepts]: Start accepts. Automaton has 5836 states and 8116 transitions. Word has length 131 [2021-11-12 23:09:09,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:09:09,827 INFO L470 AbstractCegarLoop]: Abstraction has 5836 states and 8116 transitions. [2021-11-12 23:09:09,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 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 23:09:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5836 states and 8116 transitions. [2021-11-12 23:09:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-12 23:09:09,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:09:09,839 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] [2021-11-12 23:09:09,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:09:10,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:09:10,067 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:09:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:09:10,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1328066264, now seen corresponding path program 1 times [2021-11-12 23:09:10,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:09:10,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188301976] [2021-11-12 23:09:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:10,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:09:10,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:09:10,075 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:09:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:09:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:17,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 2074 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:09:17,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:20,195 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 23:09:20,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:21,250 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 23:09:21,250 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:09:21,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188301976] [2021-11-12 23:09:21,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188301976] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:09:21,250 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:09:21,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:09:21,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990830392] [2021-11-12 23:09:21,251 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:09:21,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:09:21,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:09:21,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:09:21,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:09:21,252 INFO L87 Difference]: Start difference. First operand 5836 states and 8116 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:09:21,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:09:21,656 INFO L93 Difference]: Finished difference Result 5836 states and 8116 transitions. [2021-11-12 23:09:21,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:09:21,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 137 [2021-11-12 23:09:21,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:09:21,683 INFO L225 Difference]: With dead ends: 5836 [2021-11-12 23:09:21,684 INFO L226 Difference]: Without dead ends: 5834 [2021-11-12 23:09:21,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:09:21,689 INFO L933 BasicCegarLoop]: 4206 mSDtfsCounter, 4086 mSDsluCounter, 4204 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 8410 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:09:21,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4088 Valid, 8410 Invalid, 2 Unknown, 0 Unchecked, 11.03ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.65ms Time] [2021-11-12 23:09:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5834 states. [2021-11-12 23:09:22,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5834 to 5834. [2021-11-12 23:09:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 3857 states have (on average 1.2600466683951257) internal successors, (4860), 3983 states have internal predecessors, (4860), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:09:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 8114 transitions. [2021-11-12 23:09:22,255 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 8114 transitions. Word has length 137 [2021-11-12 23:09:22,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:09:22,256 INFO L470 AbstractCegarLoop]: Abstraction has 5834 states and 8114 transitions. [2021-11-12 23:09:22,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-12 23:09:22,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 8114 transitions. [2021-11-12 23:09:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-12 23:09:22,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:09:22,259 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] [2021-11-12 23:09:22,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:09:22,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:09:22,475 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:09:22,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:09:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1015932654, now seen corresponding path program 1 times [2021-11-12 23:09:22,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:09:22,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036674519] [2021-11-12 23:09:22,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:22,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:09:22,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:09:22,481 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:09:22,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-12 23:09:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:29,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 2083 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:09:29,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:32,600 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 23:09:32,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:33,704 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 23:09:33,704 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:09:33,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036674519] [2021-11-12 23:09:33,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036674519] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:09:33,704 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:09:33,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:09:33,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302867980] [2021-11-12 23:09:33,705 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:09:33,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:09:33,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:09:33,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:09:33,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:09:33,707 INFO L87 Difference]: Start difference. First operand 5834 states and 8114 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 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 23:09:34,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:09:34,136 INFO L93 Difference]: Finished difference Result 5834 states and 8114 transitions. [2021-11-12 23:09:34,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:09:34,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 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 143 [2021-11-12 23:09:34,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:09:34,156 INFO L225 Difference]: With dead ends: 5834 [2021-11-12 23:09:34,156 INFO L226 Difference]: Without dead ends: 5832 [2021-11-12 23:09:34,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:09:34,160 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 4075 mSDsluCounter, 8404 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 12608 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.18ms IncrementalHoareTripleChecker+Time [2021-11-12 23:09:34,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4077 Valid, 12608 Invalid, 2 Unknown, 0 Unchecked, 14.98ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 19.18ms Time] [2021-11-12 23:09:34,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2021-11-12 23:09:34,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5832. [2021-11-12 23:09:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 3856 states have (on average 1.2598547717842323) internal successors, (4858), 3981 states have internal predecessors, (4858), 1622 states have call successors, (1622), 334 states have call predecessors, (1622), 333 states have return successors, (1632), 1590 states have call predecessors, (1632), 1620 states have call successors, (1632) [2021-11-12 23:09:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8112 transitions. [2021-11-12 23:09:34,887 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8112 transitions. Word has length 143 [2021-11-12 23:09:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:09:34,888 INFO L470 AbstractCegarLoop]: Abstraction has 5832 states and 8112 transitions. [2021-11-12 23:09:34,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 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 23:09:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8112 transitions. [2021-11-12 23:09:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-12 23:09:34,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:09:34,890 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2021-11-12 23:09:34,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:09:35,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:09:35,107 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:09:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:09:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1332575992, now seen corresponding path program 1 times [2021-11-12 23:09:35,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:09:35,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960581801] [2021-11-12 23:09:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:35,112 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:09:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:09:35,113 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:09:35,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:09:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:42,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 2369 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:09:42,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:44,485 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 98 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:09:44,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-12 23:09:46,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:09:46,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960581801] [2021-11-12 23:09:46,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960581801] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:09:46,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [137029551] [2021-11-12 23:09:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:46,609 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:09:46,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:09:46,611 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:09:46,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-12 23:09:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:49,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2369 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:09:49,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:09:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-12 23:09:50,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:09:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-12 23:09:50,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [137029551] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:09:50,541 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:09:50,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 10 [2021-11-12 23:09:50,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597319240] [2021-11-12 23:09:50,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:09:50,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:09:50,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:09:50,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:09:50,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:09:50,543 INFO L87 Difference]: Start difference. First operand 5832 states and 8112 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:09:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:09:51,202 INFO L93 Difference]: Finished difference Result 11601 states and 16135 transitions. [2021-11-12 23:09:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:09:51,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 167 [2021-11-12 23:09:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:09:51,234 INFO L225 Difference]: With dead ends: 11601 [2021-11-12 23:09:51,234 INFO L226 Difference]: Without dead ends: 5810 [2021-11-12 23:09:51,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:09:51,273 INFO L933 BasicCegarLoop]: 4189 mSDtfsCounter, 1 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.86ms IncrementalHoareTripleChecker+Time [2021-11-12 23:09:51,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 8375 Invalid, 2 Unknown, 0 Unchecked, 13.90ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 22.86ms Time] [2021-11-12 23:09:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5810 states. [2021-11-12 23:09:51,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5810 to 5810. [2021-11-12 23:09:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 3838 states have (on average 1.25951016154247) internal successors, (4834), 3963 states have internal predecessors, (4834), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:09:51,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8080 transitions. [2021-11-12 23:09:51,884 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 8080 transitions. Word has length 167 [2021-11-12 23:09:51,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:09:51,885 INFO L470 AbstractCegarLoop]: Abstraction has 5810 states and 8080 transitions. [2021-11-12 23:09:51,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:09:51,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 8080 transitions. [2021-11-12 23:09:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-12 23:09:51,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:09:51,889 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] [2021-11-12 23:09:51,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:09:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:09:52,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:09:52,315 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:09:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:09:52,316 INFO L85 PathProgramCache]: Analyzing trace with hash -397500887, now seen corresponding path program 1 times [2021-11-12 23:09:52,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:09:52,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545337350] [2021-11-12 23:09:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:09:52,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:09:52,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:09:52,322 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:09:52,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:09:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:09:59,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:09:59,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:02,703 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 23:10:02,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:04,973 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 23:10:04,974 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:04,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545337350] [2021-11-12 23:10:04,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545337350] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:04,974 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:04,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:10:04,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140226188] [2021-11-12 23:10:04,975 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:04,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:10:04,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:04,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:10:04,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:10:04,976 INFO L87 Difference]: Start difference. First operand 5810 states and 8080 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, (50), 3 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-12 23:10:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:05,596 INFO L93 Difference]: Finished difference Result 5810 states and 8080 transitions. [2021-11-12 23:10:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:05,597 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, (50), 3 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 149 [2021-11-12 23:10:05,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:05,623 INFO L225 Difference]: With dead ends: 5810 [2021-11-12 23:10:05,623 INFO L226 Difference]: Without dead ends: 5808 [2021-11-12 23:10:05,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:10:05,627 INFO L933 BasicCegarLoop]: 4186 mSDtfsCounter, 4123 mSDsluCounter, 8368 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4125 SdHoareTripleChecker+Valid, 12554 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.02ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.96ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:05,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4125 Valid, 12554 Invalid, 27 Unknown, 0 Unchecked, 29.02ms Time], IncrementalHoareTripleChecker [25 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 65.96ms Time] [2021-11-12 23:10:05,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5808 states. [2021-11-12 23:10:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5808. [2021-11-12 23:10:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5808 states, 3837 states have (on average 1.2593171748762053) internal successors, (4832), 3961 states have internal predecessors, (4832), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:10:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5808 states to 5808 states and 8078 transitions. [2021-11-12 23:10:06,156 INFO L78 Accepts]: Start accepts. Automaton has 5808 states and 8078 transitions. Word has length 149 [2021-11-12 23:10:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:06,156 INFO L470 AbstractCegarLoop]: Abstraction has 5808 states and 8078 transitions. [2021-11-12 23:10:06,156 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, (50), 3 states have call predecessors, (50), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-12 23:10:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5808 states and 8078 transitions. [2021-11-12 23:10:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-12 23:10:06,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:06,158 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] [2021-11-12 23:10:06,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:06,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:06,359 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:10:06,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:06,360 INFO L85 PathProgramCache]: Analyzing trace with hash -395796003, now seen corresponding path program 1 times [2021-11-12 23:10:06,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:06,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572870838] [2021-11-12 23:10:06,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:06,364 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:06,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:06,365 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:06,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:10:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:13,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2101 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:10:13,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:16,388 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 23:10:16,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:17,564 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 23:10:17,564 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:17,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572870838] [2021-11-12 23:10:17,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572870838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:17,564 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:17,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:10:17,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257439041] [2021-11-12 23:10:17,567 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:17,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:10:17,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:17,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:10:17,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:10:17,577 INFO L87 Difference]: Start difference. First operand 5808 states and 8078 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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 23:10:18,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:18,139 INFO L93 Difference]: Finished difference Result 5808 states and 8078 transitions. [2021-11-12 23:10:18,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:18,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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 155 [2021-11-12 23:10:18,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:18,160 INFO L225 Difference]: With dead ends: 5808 [2021-11-12 23:10:18,160 INFO L226 Difference]: Without dead ends: 5806 [2021-11-12 23:10:18,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:10:18,164 INFO L933 BasicCegarLoop]: 4184 mSDtfsCounter, 4043 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4045 SdHoareTripleChecker+Valid, 12548 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.64ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:18,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4045 Valid, 12548 Invalid, 2 Unknown, 0 Unchecked, 23.31ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 19.64ms Time] [2021-11-12 23:10:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5806 states. [2021-11-12 23:10:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5806 to 5806. [2021-11-12 23:10:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5806 states, 3836 states have (on average 1.2591240875912408) internal successors, (4830), 3959 states have internal predecessors, (4830), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:10:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 8076 transitions. [2021-11-12 23:10:18,659 INFO L78 Accepts]: Start accepts. Automaton has 5806 states and 8076 transitions. Word has length 155 [2021-11-12 23:10:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:18,659 INFO L470 AbstractCegarLoop]: Abstraction has 5806 states and 8076 transitions. [2021-11-12 23:10:18,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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 23:10:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5806 states and 8076 transitions. [2021-11-12 23:10:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-12 23:10:18,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:18,662 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] [2021-11-12 23:10:18,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:18,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:18,867 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:10:18,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1266079003, now seen corresponding path program 1 times [2021-11-12 23:10:18,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:18,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710915951] [2021-11-12 23:10:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:18,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:18,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:18,873 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:18,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:10:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:25,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:10:25,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:28,907 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 23:10:28,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:30,107 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 23:10:30,108 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:30,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710915951] [2021-11-12 23:10:30,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710915951] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:30,108 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:30,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:10:30,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142394265] [2021-11-12 23:10:30,108 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:30,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:10:30,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:30,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:10:30,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:10:30,110 INFO L87 Difference]: Start difference. First operand 5806 states and 8076 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 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 23:10:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:30,688 INFO L93 Difference]: Finished difference Result 5806 states and 8076 transitions. [2021-11-12 23:10:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:30,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 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 161 [2021-11-12 23:10:30,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:30,709 INFO L225 Difference]: With dead ends: 5806 [2021-11-12 23:10:30,710 INFO L226 Difference]: Without dead ends: 5804 [2021-11-12 23:10:30,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:10:30,713 INFO L933 BasicCegarLoop]: 4182 mSDtfsCounter, 4035 mSDsluCounter, 8360 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4037 SdHoareTripleChecker+Valid, 12542 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.71ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:30,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4037 Valid, 12542 Invalid, 2 Unknown, 0 Unchecked, 16.79ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 18.71ms Time] [2021-11-12 23:10:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5804 states. [2021-11-12 23:10:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5804 to 5804. [2021-11-12 23:10:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5804 states, 3835 states have (on average 1.2589308996088657) internal successors, (4828), 3957 states have internal predecessors, (4828), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:10:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5804 states to 5804 states and 8074 transitions. [2021-11-12 23:10:31,248 INFO L78 Accepts]: Start accepts. Automaton has 5804 states and 8074 transitions. Word has length 161 [2021-11-12 23:10:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:31,249 INFO L470 AbstractCegarLoop]: Abstraction has 5804 states and 8074 transitions. [2021-11-12 23:10:31,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 5 states have internal predecessors, (182), 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 23:10:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5804 states and 8074 transitions. [2021-11-12 23:10:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-12 23:10:31,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:31,252 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:31,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:31,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:31,455 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:10:31,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash -305059440, now seen corresponding path program 1 times [2021-11-12 23:10:31,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:31,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493586499] [2021-11-12 23:10:31,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:31,460 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:31,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:31,461 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:31,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-12 23:10:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:38,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:10:38,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:41,521 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 23:10:41,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:42,768 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 23:10:42,768 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:42,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493586499] [2021-11-12 23:10:42,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493586499] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:42,769 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:42,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:10:42,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226499842] [2021-11-12 23:10:42,770 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:42,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:10:42,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:42,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:10:42,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:10:42,772 INFO L87 Difference]: Start difference. First operand 5804 states and 8074 transitions. Second operand has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:10:43,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:43,264 INFO L93 Difference]: Finished difference Result 5804 states and 8074 transitions. [2021-11-12 23:10:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:43,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 167 [2021-11-12 23:10:43,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:43,287 INFO L225 Difference]: With dead ends: 5804 [2021-11-12 23:10:43,287 INFO L226 Difference]: Without dead ends: 5802 [2021-11-12 23:10:43,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:10:43,292 INFO L933 BasicCegarLoop]: 4180 mSDtfsCounter, 4030 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4032 SdHoareTripleChecker+Valid, 8358 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.77ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:43,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4032 Valid, 8358 Invalid, 2 Unknown, 0 Unchecked, 11.37ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 29.77ms Time] [2021-11-12 23:10:43,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5802 states. [2021-11-12 23:10:43,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5802 to 5802. [2021-11-12 23:10:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5802 states, 3834 states have (on average 1.258737610850287) internal successors, (4826), 3955 states have internal predecessors, (4826), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:10:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5802 states to 5802 states and 8072 transitions. [2021-11-12 23:10:43,918 INFO L78 Accepts]: Start accepts. Automaton has 5802 states and 8072 transitions. Word has length 167 [2021-11-12 23:10:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:43,919 INFO L470 AbstractCegarLoop]: Abstraction has 5802 states and 8072 transitions. [2021-11-12 23:10:43,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:10:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5802 states and 8072 transitions. [2021-11-12 23:10:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-12 23:10:43,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:43,921 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] [2021-11-12 23:10:43,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:44,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:44,122 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:10:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1785586430, now seen corresponding path program 1 times [2021-11-12 23:10:44,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:44,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168377614] [2021-11-12 23:10:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:44,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:44,129 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:44,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:10:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:10:50,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 2128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:10:50,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:10:54,288 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 23:10:54,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:10:55,501 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 23:10:55,501 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:10:55,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168377614] [2021-11-12 23:10:55,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168377614] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:10:55,502 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:10:55,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:10:55,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321104109] [2021-11-12 23:10:55,503 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:10:55,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:10:55,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:10:55,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:10:55,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:10:55,505 INFO L87 Difference]: Start difference. First operand 5802 states and 8072 transitions. Second operand has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:10:56,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:10:56,057 INFO L93 Difference]: Finished difference Result 5802 states and 8072 transitions. [2021-11-12 23:10:56,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:10:56,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 173 [2021-11-12 23:10:56,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:10:56,075 INFO L225 Difference]: With dead ends: 5802 [2021-11-12 23:10:56,076 INFO L226 Difference]: Without dead ends: 5800 [2021-11-12 23:10:56,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:10:56,079 INFO L933 BasicCegarLoop]: 4178 mSDtfsCounter, 4022 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 8354 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:10:56,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4024 Valid, 8354 Invalid, 2 Unknown, 0 Unchecked, 11.16ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 21.36ms Time] [2021-11-12 23:10:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2021-11-12 23:10:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5800. [2021-11-12 23:10:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 3833 states have (on average 1.2585442212366293) internal successors, (4824), 3953 states have internal predecessors, (4824), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:10:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 8070 transitions. [2021-11-12 23:10:56,591 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 8070 transitions. Word has length 173 [2021-11-12 23:10:56,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:10:56,591 INFO L470 AbstractCegarLoop]: Abstraction has 5800 states and 8070 transitions. [2021-11-12 23:10:56,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:10:56,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 8070 transitions. [2021-11-12 23:10:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-12 23:10:56,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:10:56,595 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:10:56,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:10:56,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:10:56,810 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:10:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:10:56,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1710689683, now seen corresponding path program 1 times [2021-11-12 23:10:56,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:10:56,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260106551] [2021-11-12 23:10:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:10:56,815 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:10:56,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:10:56,816 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:10:56,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:11:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:04,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:11:04,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 98 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-12 23:11:06,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-12 23:11:08,381 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:08,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260106551] [2021-11-12 23:11:08,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260106551] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:11:08,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [714948171] [2021-11-12 23:11:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:08,382 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:11:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:11:08,389 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:11:08,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-12 23:11:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:11,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:11:11,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:11:15,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:11:17,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [714948171] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:17,833 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:11:17,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [8, 8] total 14 [2021-11-12 23:11:17,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540286917] [2021-11-12 23:11:17,833 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:17,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:11:17,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:17,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:11:17,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:11:17,836 INFO L87 Difference]: Start difference. First operand 5800 states and 8070 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:11:20,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:22,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:58,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:58,713 INFO L93 Difference]: Finished difference Result 11559 states and 16141 transitions. [2021-11-12 23:11:58,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:11:58,714 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) Word has length 196 [2021-11-12 23:11:58,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:58,739 INFO L225 Difference]: With dead ends: 11559 [2021-11-12 23:11:58,739 INFO L226 Difference]: Without dead ends: 5800 [2021-11-12 23:11:58,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 782 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:11:58,773 INFO L933 BasicCegarLoop]: 4176 mSDtfsCounter, 4055 mSDsluCounter, 13311 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38406.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4058 SdHoareTripleChecker+Valid, 17487 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 71.18ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39653.70ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:58,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4058 Valid, 17487 Invalid, 3388 Unknown, 0 Unchecked, 71.18ms Time], IncrementalHoareTripleChecker [1 Valid, 3385 Invalid, 2 Unknown, 0 Unchecked, 39653.70ms Time] [2021-11-12 23:11:58,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2021-11-12 23:11:59,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5800. [2021-11-12 23:11:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 3833 states have (on average 1.258022436733629) internal successors, (4822), 3953 states have internal predecessors, (4822), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:11:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 8068 transitions. [2021-11-12 23:11:59,242 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 8068 transitions. Word has length 196 [2021-11-12 23:11:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:59,244 INFO L470 AbstractCegarLoop]: Abstraction has 5800 states and 8068 transitions. [2021-11-12 23:11:59,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (48), 3 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:11:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 8068 transitions. [2021-11-12 23:11:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-12 23:11:59,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:59,248 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:59,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:11:59,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2021-11-12 23:11:59,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:11:59,651 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:11:59,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:59,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1710630101, now seen corresponding path program 1 times [2021-11-12 23:11:59,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:59,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955106721] [2021-11-12 23:11:59,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:59,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:59,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:59,657 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:59,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:12:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:06,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-12 23:12:06,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 98 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-12 23:12:08,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-12 23:12:11,150 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:11,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955106721] [2021-11-12 23:12:11,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955106721] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:12:11,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1809201570] [2021-11-12 23:12:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:11,151 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:12:11,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:12:11,152 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:12:11,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2021-11-12 23:12:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:17,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:12:17,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-11-12 23:12:19,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-12 23:12:21,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1809201570] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:12:21,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-12 23:12:21,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-12 23:12:21,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533670383] [2021-11-12 23:12:21,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:21,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:21,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:21,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:12:21,262 INFO L87 Difference]: Start difference. First operand 5800 states and 8068 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-12 23:12:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:22,165 INFO L93 Difference]: Finished difference Result 11899 states and 16607 transitions. [2021-11-12 23:12:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 196 [2021-11-12 23:12:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:22,184 INFO L225 Difference]: With dead ends: 11899 [2021-11-12 23:12:22,184 INFO L226 Difference]: Without dead ends: 6136 [2021-11-12 23:12:22,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 781 GetRequests, 769 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-12 23:12:22,202 INFO L933 BasicCegarLoop]: 4703 mSDtfsCounter, 667 mSDsluCounter, 17799 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 22502 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.16ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:22,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1007 Valid, 22502 Invalid, 12 Unknown, 0 Unchecked, 23.70ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 131.16ms Time] [2021-11-12 23:12:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6136 states. [2021-11-12 23:12:22,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6136 to 5800. [2021-11-12 23:12:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5800 states, 3833 states have (on average 1.2577615444821288) internal successors, (4821), 3952 states have internal predecessors, (4821), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:12:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5800 states to 5800 states and 8067 transitions. [2021-11-12 23:12:22,868 INFO L78 Accepts]: Start accepts. Automaton has 5800 states and 8067 transitions. Word has length 196 [2021-11-12 23:12:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:22,868 INFO L470 AbstractCegarLoop]: Abstraction has 5800 states and 8067 transitions. [2021-11-12 23:12:22,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 5 states have internal predecessors, (104), 3 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-12 23:12:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5800 states and 8067 transitions. [2021-11-12 23:12:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-12 23:12:22,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:22,872 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, 1, 1, 1, 1] [2021-11-12 23:12:22,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:23,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:23,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:12:23,295 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:12:23,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:23,296 INFO L85 PathProgramCache]: Analyzing trace with hash -898148881, now seen corresponding path program 1 times [2021-11-12 23:12:23,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:23,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523957700] [2021-11-12 23:12:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:23,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:23,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:23,300 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:23,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:12:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:30,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2137 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:30,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:33,955 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 23:12:33,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:35,251 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 23:12:35,251 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:35,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523957700] [2021-11-12 23:12:35,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523957700] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:35,251 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:35,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:35,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342359762] [2021-11-12 23:12:35,252 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:35,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:35,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:35,254 INFO L87 Difference]: Start difference. First operand 5800 states and 8067 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:12:35,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:35,864 INFO L93 Difference]: Finished difference Result 5800 states and 8067 transitions. [2021-11-12 23:12:35,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:35,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 179 [2021-11-12 23:12:35,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:35,883 INFO L225 Difference]: With dead ends: 5800 [2021-11-12 23:12:35,883 INFO L226 Difference]: Without dead ends: 5798 [2021-11-12 23:12:35,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:35,887 INFO L933 BasicCegarLoop]: 4174 mSDtfsCounter, 4009 mSDsluCounter, 8344 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 12518 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.81ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:35,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4011 Valid, 12518 Invalid, 2 Unknown, 0 Unchecked, 16.02ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 24.81ms Time] [2021-11-12 23:12:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5798 states. [2021-11-12 23:12:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5798 to 5798. [2021-11-12 23:12:36,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5798 states, 3832 states have (on average 1.2575678496868476) internal successors, (4819), 3950 states have internal predecessors, (4819), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:12:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5798 states and 8065 transitions. [2021-11-12 23:12:36,639 INFO L78 Accepts]: Start accepts. Automaton has 5798 states and 8065 transitions. Word has length 179 [2021-11-12 23:12:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:36,639 INFO L470 AbstractCegarLoop]: Abstraction has 5798 states and 8065 transitions. [2021-11-12 23:12:36,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 5 states have internal predecessors, (206), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-12 23:12:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5798 states and 8065 transitions. [2021-11-12 23:12:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-12 23:12:36,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:36,645 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:36,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:36,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:36,863 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:12:36,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:36,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1517128904, now seen corresponding path program 1 times [2021-11-12 23:12:36,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:36,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810402058] [2021-11-12 23:12:36,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:36,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:36,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:36,871 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:36,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:12:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:44,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 2429 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:44,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:12:44,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:12:45,430 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:45,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810402058] [2021-11-12 23:12:45,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810402058] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:45,431 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:45,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:12:45,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949016896] [2021-11-12 23:12:45,431 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:45,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:45,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:45,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:45,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:45,432 INFO L87 Difference]: Start difference. First operand 5798 states and 8065 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-12 23:12:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:46,023 INFO L93 Difference]: Finished difference Result 5798 states and 8065 transitions. [2021-11-12 23:12:46,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:46,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 200 [2021-11-12 23:12:46,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:46,047 INFO L225 Difference]: With dead ends: 5798 [2021-11-12 23:12:46,047 INFO L226 Difference]: Without dead ends: 5796 [2021-11-12 23:12:46,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:12:46,053 INFO L933 BasicCegarLoop]: 4172 mSDtfsCounter, 46 mSDsluCounter, 8322 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 12494 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:46,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 12494 Invalid, 3 Unknown, 0 Unchecked, 10.58ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 27.00ms Time] [2021-11-12 23:12:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5796 states. [2021-11-12 23:12:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5796 to 5796. [2021-11-12 23:12:46,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5796 states, 3831 states have (on average 1.2571130253197598) internal successors, (4816), 3948 states have internal predecessors, (4816), 1618 states have call successors, (1618), 334 states have call predecessors, (1618), 333 states have return successors, (1628), 1586 states have call predecessors, (1628), 1616 states have call successors, (1628) [2021-11-12 23:12:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5796 states to 5796 states and 8062 transitions. [2021-11-12 23:12:46,625 INFO L78 Accepts]: Start accepts. Automaton has 5796 states and 8062 transitions. Word has length 200 [2021-11-12 23:12:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:46,626 INFO L470 AbstractCegarLoop]: Abstraction has 5796 states and 8062 transitions. [2021-11-12 23:12:46,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-11-12 23:12:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5796 states and 8062 transitions. [2021-11-12 23:12:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-12 23:12:46,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:46,631 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:46,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:46,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:46,854 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:12:46,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:46,854 INFO L85 PathProgramCache]: Analyzing trace with hash 59513476, now seen corresponding path program 1 times [2021-11-12 23:12:46,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:46,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548818810] [2021-11-12 23:12:46,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:46,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:46,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:46,860 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:46,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:12:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:53,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:53,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:57,355 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 23:12:57,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:58,645 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 23:12:58,645 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:58,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548818810] [2021-11-12 23:12:58,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548818810] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:58,645 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:58,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:12:58,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362497723] [2021-11-12 23:12:58,646 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:58,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:58,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:58,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:58,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:12:58,647 INFO L87 Difference]: Start difference. First operand 5796 states and 8062 transitions. Second operand has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-12 23:12:59,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:59,271 INFO L93 Difference]: Finished difference Result 5796 states and 8062 transitions. [2021-11-12 23:12:59,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:59,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 185 [2021-11-12 23:12:59,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:59,288 INFO L225 Difference]: With dead ends: 5796 [2021-11-12 23:12:59,289 INFO L226 Difference]: Without dead ends: 5615 [2021-11-12 23:12:59,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:59,297 INFO L933 BasicCegarLoop]: 4171 mSDtfsCounter, 3998 mSDsluCounter, 8342 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 12513 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:59,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3998 Valid, 12513 Invalid, 1 Unknown, 0 Unchecked, 14.91ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 9.42ms Time] [2021-11-12 23:12:59,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5615 states. [2021-11-12 23:12:59,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5615 to 5615. [2021-11-12 23:12:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5615 states, 3722 states have (on average 1.262761955937668) internal successors, (4700), 3835 states have internal predecessors, (4700), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:12:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 7844 transitions. [2021-11-12 23:12:59,904 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 7844 transitions. Word has length 185 [2021-11-12 23:12:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:59,905 INFO L470 AbstractCegarLoop]: Abstraction has 5615 states and 7844 transitions. [2021-11-12 23:12:59,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-12 23:12:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 7844 transitions. [2021-11-12 23:12:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-12 23:12:59,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:59,909 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:59,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:00,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:00,123 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:13:00,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:00,124 INFO L85 PathProgramCache]: Analyzing trace with hash 660713678, now seen corresponding path program 1 times [2021-11-12 23:13:00,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:00,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276225886] [2021-11-12 23:13:00,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:00,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:00,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:00,128 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:00,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-12 23:13:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:13:07,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:13:11,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:13:13,776 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:13,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276225886] [2021-11-12 23:13:13,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276225886] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:13,776 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:13,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:13:13,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691701008] [2021-11-12 23:13:13,777 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:13,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:13:13,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:13,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:13:13,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:13,779 INFO L87 Difference]: Start difference. First operand 5615 states and 7844 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-12 23:13:17,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:17,499 INFO L93 Difference]: Finished difference Result 11183 states and 15683 transitions. [2021-11-12 23:13:17,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:13:17,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 204 [2021-11-12 23:13:17,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:17,516 INFO L225 Difference]: With dead ends: 11183 [2021-11-12 23:13:17,516 INFO L226 Difference]: Without dead ends: 5609 [2021-11-12 23:13:17,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:17,539 INFO L933 BasicCegarLoop]: 4020 mSDtfsCounter, 6224 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2285.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6224 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.20ms SdHoareTripleChecker+Time, 1592 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2894.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:17,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6224 Valid, 4020 Invalid, 1593 Unknown, 0 Unchecked, 20.20ms Time], IncrementalHoareTripleChecker [1592 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2894.90ms Time] [2021-11-12 23:13:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5609 states. [2021-11-12 23:13:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5609 to 5609. [2021-11-12 23:13:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5609 states, 3717 states have (on average 1.2620392789884316) internal successors, (4691), 3829 states have internal predecessors, (4691), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:13:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5609 states to 5609 states and 7835 transitions. [2021-11-12 23:13:18,156 INFO L78 Accepts]: Start accepts. Automaton has 5609 states and 7835 transitions. Word has length 204 [2021-11-12 23:13:18,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:18,157 INFO L470 AbstractCegarLoop]: Abstraction has 5609 states and 7835 transitions. [2021-11-12 23:13:18,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (54), 3 states have call predecessors, (54), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-12 23:13:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5609 states and 7835 transitions. [2021-11-12 23:13:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-12 23:13:18,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:18,161 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:18,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:18,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:18,375 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:13:18,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:18,376 INFO L85 PathProgramCache]: Analyzing trace with hash 603553412, now seen corresponding path program 1 times [2021-11-12 23:13:18,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:18,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931519136] [2021-11-12 23:13:18,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:18,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:18,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:18,383 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:18,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:13:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:26,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:13:26,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:13:28,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-12 23:13:29,489 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:29,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931519136] [2021-11-12 23:13:29,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931519136] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:29,489 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:29,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:13:29,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747783217] [2021-11-12 23:13:29,490 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:29,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:13:29,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:29,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:13:29,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:29,492 INFO L87 Difference]: Start difference. First operand 5609 states and 7835 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-12 23:13:30,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:30,539 INFO L93 Difference]: Finished difference Result 11171 states and 15601 transitions. [2021-11-12 23:13:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:13:30,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 231 [2021-11-12 23:13:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:30,568 INFO L225 Difference]: With dead ends: 11171 [2021-11-12 23:13:30,568 INFO L226 Difference]: Without dead ends: 5603 [2021-11-12 23:13:30,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:30,586 INFO L933 BasicCegarLoop]: 4015 mSDtfsCounter, 3963 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 361.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3963 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.83ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 433.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:30,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3963 Valid, 4015 Invalid, 17 Unknown, 0 Unchecked, 6.83ms Time], IncrementalHoareTripleChecker [16 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 433.80ms Time] [2021-11-12 23:13:30,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5603 states. [2021-11-12 23:13:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5603 to 5603. [2021-11-12 23:13:31,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5603 states, 3712 states have (on average 1.2613146551724137) internal successors, (4682), 3823 states have internal predecessors, (4682), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:13:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 5603 states and 7826 transitions. [2021-11-12 23:13:31,239 INFO L78 Accepts]: Start accepts. Automaton has 5603 states and 7826 transitions. Word has length 231 [2021-11-12 23:13:31,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:31,240 INFO L470 AbstractCegarLoop]: Abstraction has 5603 states and 7826 transitions. [2021-11-12 23:13:31,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-12 23:13:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 7826 transitions. [2021-11-12 23:13:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-12 23:13:31,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:31,244 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:31,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:31,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:31,467 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:13:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:31,468 INFO L85 PathProgramCache]: Analyzing trace with hash 881768083, now seen corresponding path program 1 times [2021-11-12 23:13:31,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:31,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231935970] [2021-11-12 23:13:31,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:31,473 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:31,474 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:31,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-12 23:13:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:39,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 2508 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:13:39,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-12 23:13:41,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-12 23:13:43,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:43,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231935970] [2021-11-12 23:13:43,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231935970] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:43,162 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:43,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:13:43,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209912321] [2021-11-12 23:13:43,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:43,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:13:43,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:13:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:43,163 INFO L87 Difference]: Start difference. First operand 5603 states and 7826 transitions. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-12 23:13:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:44,191 INFO L93 Difference]: Finished difference Result 11159 states and 15583 transitions. [2021-11-12 23:13:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:13:44,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 237 [2021-11-12 23:13:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:44,219 INFO L225 Difference]: With dead ends: 11159 [2021-11-12 23:13:44,219 INFO L226 Difference]: Without dead ends: 5597 [2021-11-12 23:13:44,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:13:44,243 INFO L933 BasicCegarLoop]: 4010 mSDtfsCounter, 3956 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 372.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.87ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 445.43ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:44,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3956 Valid, 4010 Invalid, 17 Unknown, 0 Unchecked, 6.87ms Time], IncrementalHoareTripleChecker [16 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 445.43ms Time] [2021-11-12 23:13:44,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-11-12 23:13:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-11-12 23:13:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 3707 states have (on average 1.2605880766118154) internal successors, (4673), 3817 states have internal predecessors, (4673), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:13:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 7817 transitions. [2021-11-12 23:13:44,868 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 7817 transitions. Word has length 237 [2021-11-12 23:13:44,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:44,869 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 7817 transitions. [2021-11-12 23:13:44,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-12 23:13:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 7817 transitions. [2021-11-12 23:13:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-12 23:13:44,872 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:44,873 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:44,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-12 23:13:45,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:45,074 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:13:45,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2069299820, now seen corresponding path program 1 times [2021-11-12 23:13:45,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:45,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493248896] [2021-11-12 23:13:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:45,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:45,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:45,079 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:45,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:13:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:53,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-12 23:13:53,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2021-11-12 23:13:57,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2021-11-12 23:14:03,668 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:03,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493248896] [2021-11-12 23:14:03,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493248896] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:14:03,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:14:03,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 25 [2021-11-12 23:14:03,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568053155] [2021-11-12 23:14:03,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:03,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-12 23:14:03,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:03,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-12 23:14:03,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:14:03,671 INFO L87 Difference]: Start difference. First operand 5597 states and 7817 transitions. Second operand has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2021-11-12 23:14:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:13,576 INFO L93 Difference]: Finished difference Result 6895 states and 9629 transitions. [2021-11-12 23:14:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:14:13,577 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 303 [2021-11-12 23:14:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:13,595 INFO L225 Difference]: With dead ends: 6895 [2021-11-12 23:14:13,595 INFO L226 Difference]: Without dead ends: 5601 [2021-11-12 23:14:13,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=155, Invalid=901, Unknown=0, NotChecked=0, Total=1056 [2021-11-12 23:14:13,603 INFO L933 BasicCegarLoop]: 3970 mSDtfsCounter, 30 mSDsluCounter, 47559 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6808.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 51529 SdHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.52ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6945.29ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:13,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 51529 Invalid, 684 Unknown, 0 Unchecked, 61.52ms Time], IncrementalHoareTripleChecker [31 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 6945.29ms Time] [2021-11-12 23:14:13,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2021-11-12 23:14:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 5597. [2021-11-12 23:14:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 3707 states have (on average 1.2603183166981387) internal successors, (4672), 3817 states have internal predecessors, (4672), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:14:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 7816 transitions. [2021-11-12 23:14:14,256 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 7816 transitions. Word has length 303 [2021-11-12 23:14:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:14,257 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 7816 transitions. [2021-11-12 23:14:14,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2021-11-12 23:14:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 7816 transitions. [2021-11-12 23:14:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-12 23:14:14,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:14,261 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:14,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:14,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:14,461 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:14:14,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash -279201950, now seen corresponding path program 1 times [2021-11-12 23:14:14,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:14,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135498170] [2021-11-12 23:14:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:14,467 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:14,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:14,468 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-12 23:14:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:22,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 2642 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:14:22,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-11-12 23:14:25,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2021-11-12 23:14:27,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:27,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135498170] [2021-11-12 23:14:27,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135498170] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:14:27,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:14:27,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-12 23:14:27,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519407924] [2021-11-12 23:14:27,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:27,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:14:27,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:27,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:14:27,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:14:27,646 INFO L87 Difference]: Start difference. First operand 5597 states and 7816 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-12 23:14:33,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:33,998 INFO L93 Difference]: Finished difference Result 7710 states and 10867 transitions. [2021-11-12 23:14:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:14:33,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 328 [2021-11-12 23:14:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:34,016 INFO L225 Difference]: With dead ends: 7710 [2021-11-12 23:14:34,016 INFO L226 Difference]: Without dead ends: 6409 [2021-11-12 23:14:34,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:14:34,024 INFO L933 BasicCegarLoop]: 4215 mSDtfsCounter, 1369 mSDsluCounter, 24545 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4709.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 28760 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.83ms SdHoareTripleChecker+Time, 447 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4882.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:34,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1681 Valid, 28760 Invalid, 881 Unknown, 0 Unchecked, 35.83ms Time], IncrementalHoareTripleChecker [447 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 4882.59ms Time] [2021-11-12 23:14:34,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6409 states. [2021-11-12 23:14:34,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6409 to 5600. [2021-11-12 23:14:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5600 states, 3710 states have (on average 1.2601078167115902) internal successors, (4675), 3820 states have internal predecessors, (4675), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:14:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5600 states to 5600 states and 7819 transitions. [2021-11-12 23:14:34,654 INFO L78 Accepts]: Start accepts. Automaton has 5600 states and 7819 transitions. Word has length 328 [2021-11-12 23:14:34,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:34,654 INFO L470 AbstractCegarLoop]: Abstraction has 5600 states and 7819 transitions. [2021-11-12 23:14:34,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 7 states have internal predecessors, (131), 2 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-12 23:14:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 5600 states and 7819 transitions. [2021-11-12 23:14:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-12 23:14:34,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:34,658 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:34,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:34,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:34,859 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:14:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:34,860 INFO L85 PathProgramCache]: Analyzing trace with hash -782360522, now seen corresponding path program 1 times [2021-11-12 23:14:34,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:34,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429350067] [2021-11-12 23:14:34,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:34,864 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:34,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:34,865 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:34,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-12 23:14:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:42,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 2657 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:14:42,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 276 proven. 3 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-12 23:14:48,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 9 proven. 85 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2021-11-12 23:14:52,184 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:52,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429350067] [2021-11-12 23:14:52,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429350067] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:14:52,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [144451700] [2021-11-12 23:14:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:52,184 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:14:52,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:14:52,186 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:14:52,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-12 23:14:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:55,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2657 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:14:55,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2021-11-12 23:14:56,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:57,178 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-12 23:14:57,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [144451700] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:14:57,179 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:14:57,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [18, 18] total 22 [2021-11-12 23:14:57,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873911331] [2021-11-12 23:14:57,180 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:57,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:14:57,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:57,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:14:57,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:14:57,181 INFO L87 Difference]: Start difference. First operand 5600 states and 7819 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:14:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:57,895 INFO L93 Difference]: Finished difference Result 8186 states and 11440 transitions. [2021-11-12 23:14:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:14:57,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 333 [2021-11-12 23:14:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:57,912 INFO L225 Difference]: With dead ends: 8186 [2021-11-12 23:14:57,912 INFO L226 Difference]: Without dead ends: 5602 [2021-11-12 23:14:57,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1328 GetRequests, 1308 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:14:57,921 INFO L933 BasicCegarLoop]: 4009 mSDtfsCounter, 0 mSDsluCounter, 4005 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8014 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.58ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:57,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8014 Invalid, 5 Unknown, 0 Unchecked, 13.58ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 63.83ms Time] [2021-11-12 23:14:57,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2021-11-12 23:14:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 5602. [2021-11-12 23:14:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5602 states, 3712 states have (on average 1.2599676724137931) internal successors, (4677), 3822 states have internal predecessors, (4677), 1567 states have call successors, (1567), 314 states have call predecessors, (1567), 313 states have return successors, (1577), 1537 states have call predecessors, (1577), 1565 states have call successors, (1577) [2021-11-12 23:14:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5602 states to 5602 states and 7821 transitions. [2021-11-12 23:14:58,554 INFO L78 Accepts]: Start accepts. Automaton has 5602 states and 7821 transitions. Word has length 333 [2021-11-12 23:14:58,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:58,555 INFO L470 AbstractCegarLoop]: Abstraction has 5602 states and 7821 transitions. [2021-11-12 23:14:58,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:14:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5602 states and 7821 transitions. [2021-11-12 23:14:58,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-12 23:14:58,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:58,562 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:58,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-12 23:14:58,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:58,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:14:58,975 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:14:58,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:58,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1902306451, now seen corresponding path program 1 times [2021-11-12 23:14:58,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:58,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278708] [2021-11-12 23:14:58,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:58,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:58,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:58,985 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:59,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-12 23:15:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:06,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:15:06,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 301 proven. 3 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-12 23:15:12,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 9 proven. 91 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-11-12 23:15:16,789 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:16,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278708] [2021-11-12 23:15:16,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278708] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:15:16,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [776886859] [2021-11-12 23:15:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:16,790 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:15:16,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:15:16,791 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:15:16,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-11-12 23:15:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:19,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 2675 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:15:19,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2021-11-12 23:15:24,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 920 trivial. 0 not checked. [2021-11-12 23:15:33,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [776886859] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:15:33,312 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:15:33,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [18, 18] total 37 [2021-11-12 23:15:33,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190494901] [2021-11-12 23:15:33,312 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:33,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-12 23:15:33,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:33,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-12 23:15:33,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1249, Unknown=0, NotChecked=0, Total=1332 [2021-11-12 23:15:33,314 INFO L87 Difference]: Start difference. First operand 5602 states and 7821 transitions. Second operand has 18 states, 18 states have (on average 7.5) internal successors, (135), 14 states have internal predecessors, (135), 4 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (46), 7 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-12 23:15:36,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:36,535 INFO L93 Difference]: Finished difference Result 8218 states and 11488 transitions. [2021-11-12 23:15:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:15:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 14 states have internal predecessors, (135), 4 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (46), 7 states have call predecessors, (46), 3 states have call successors, (46) Word has length 351 [2021-11-12 23:15:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:36,562 INFO L225 Difference]: With dead ends: 8218 [2021-11-12 23:15:36,563 INFO L226 Difference]: Without dead ends: 5632 [2021-11-12 23:15:36,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1403 GetRequests, 1365 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=104, Invalid=1456, Unknown=0, NotChecked=0, Total=1560 [2021-11-12 23:15:36,577 INFO L933 BasicCegarLoop]: 4008 mSDtfsCounter, 10 mSDsluCounter, 60103 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1101.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 64111 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1139.24ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:36,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 64111 Invalid, 108 Unknown, 0 Unchecked, 55.52ms Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 1139.24ms Time] [2021-11-12 23:15:36,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5632 states. [2021-11-12 23:15:37,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5632 to 5624. [2021-11-12 23:15:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5624 states, 3728 states have (on average 1.258851931330472) internal successors, (4693), 3838 states have internal predecessors, (4693), 1569 states have call successors, (1569), 314 states have call predecessors, (1569), 317 states have return successors, (1593), 1543 states have call predecessors, (1593), 1567 states have call successors, (1593) [2021-11-12 23:15:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5624 states to 5624 states and 7855 transitions. [2021-11-12 23:15:37,243 INFO L78 Accepts]: Start accepts. Automaton has 5624 states and 7855 transitions. Word has length 351 [2021-11-12 23:15:37,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:37,243 INFO L470 AbstractCegarLoop]: Abstraction has 5624 states and 7855 transitions. [2021-11-12 23:15:37,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 14 states have internal predecessors, (135), 4 states have call successors, (47), 2 states have call predecessors, (47), 5 states have return successors, (46), 7 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-12 23:15:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 5624 states and 7855 transitions. [2021-11-12 23:15:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-12 23:15:37,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:37,247 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:15:37,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:37,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:37,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:37,648 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:15:37,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:37,648 INFO L85 PathProgramCache]: Analyzing trace with hash 382322683, now seen corresponding path program 1 times [2021-11-12 23:15:37,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:37,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832334104] [2021-11-12 23:15:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:37,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:37,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:37,653 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:37,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-12 23:15:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:45,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2647 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-12 23:15:45,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-12 23:15:48,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-11-12 23:15:53,868 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:53,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832334104] [2021-11-12 23:15:53,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832334104] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:15:53,868 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:15:53,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 14] imperfect sequences [] total 25 [2021-11-12 23:15:53,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732497220] [2021-11-12 23:15:53,869 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:53,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-12 23:15:53,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:53,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-12 23:15:53,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:15:53,870 INFO L87 Difference]: Start difference. First operand 5624 states and 7855 transitions. Second operand has 25 states, 23 states have (on average 7.391304347826087) internal successors, (170), 23 states have internal predecessors, (170), 10 states have call successors, (49), 2 states have call predecessors, (49), 5 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2021-11-12 23:15:57,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:15:59,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:06,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:08,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:20,194 INFO L93 Difference]: Finished difference Result 13200 states and 18670 transitions. [2021-11-12 23:16:20,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-12 23:16:20,195 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 7.391304347826087) internal successors, (170), 23 states have internal predecessors, (170), 10 states have call successors, (49), 2 states have call predecessors, (49), 5 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) Word has length 293 [2021-11-12 23:16:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:20,229 INFO L225 Difference]: With dead ends: 13200 [2021-11-12 23:16:20,230 INFO L226 Difference]: Without dead ends: 7618 [2021-11-12 23:16:20,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=219, Invalid=1187, Unknown=0, NotChecked=0, Total=1406 [2021-11-12 23:16:20,252 INFO L933 BasicCegarLoop]: 5192 mSDtfsCounter, 4343 mSDsluCounter, 73936 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 2377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20840.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 79128 SdHoareTripleChecker+Invalid, 3813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 113.32ms SdHoareTripleChecker+Time, 2377 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21461.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:20,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4541 Valid, 79128 Invalid, 3813 Unknown, 0 Unchecked, 113.32ms Time], IncrementalHoareTripleChecker [2377 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 21461.59ms Time] [2021-11-12 23:16:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7618 states. [2021-11-12 23:16:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7618 to 5654. [2021-11-12 23:16:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 3750 states have (on average 1.2573333333333334) internal successors, (4715), 3860 states have internal predecessors, (4715), 1577 states have call successors, (1577), 314 states have call predecessors, (1577), 317 states have return successors, (1601), 1551 states have call predecessors, (1601), 1575 states have call successors, (1601) [2021-11-12 23:16:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 7893 transitions. [2021-11-12 23:16:21,026 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 7893 transitions. Word has length 293 [2021-11-12 23:16:21,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:21,027 INFO L470 AbstractCegarLoop]: Abstraction has 5654 states and 7893 transitions. [2021-11-12 23:16:21,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 7.391304347826087) internal successors, (170), 23 states have internal predecessors, (170), 10 states have call successors, (49), 2 states have call predecessors, (49), 5 states have return successors, (46), 10 states have call predecessors, (46), 10 states have call successors, (46) [2021-11-12 23:16:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 7893 transitions. [2021-11-12 23:16:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-12 23:16:21,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:21,031 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:16:21,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-12 23:16:21,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:21,232 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_lib_find_bit_find_next_bitErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:16:21,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash -856679988, now seen corresponding path program 1 times [2021-11-12 23:16:21,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:21,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820924851] [2021-11-12 23:16:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:21,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:21,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:21,238 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-12 23:16:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:29,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 2729 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-12 23:16:29,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-12 23:16:31,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-12 23:16:36,483 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:36,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820924851] [2021-11-12 23:16:36,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820924851] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:16:36,484 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:16:36,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2021-11-12 23:16:36,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305938133] [2021-11-12 23:16:36,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:36,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-12 23:16:36,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:36,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-12 23:16:36,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:16:36,485 INFO L87 Difference]: Start difference. First operand 5654 states and 7893 transitions. Second operand has 16 states, 16 states have (on average 11.0625) internal successors, (177), 12 states have internal predecessors, (177), 4 states have call successors, (52), 2 states have call predecessors, (52), 6 states have return successors, (52), 8 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-12 23:16:37,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:41,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:42,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:44,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:47,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:49,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:52,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:55,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:56,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:58,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:01,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:02,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:04,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:07,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:09,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:17:11,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:11,499 INFO L93 Difference]: Finished difference Result 12482 states and 17568 transitions. [2021-11-12 23:17:11,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:17:11,500 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 12 states have internal predecessors, (177), 4 states have call successors, (52), 2 states have call predecessors, (52), 6 states have return successors, (52), 8 states have call predecessors, (52), 4 states have call successors, (52) Word has length 298 [2021-11-12 23:17:11,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:11,517 INFO L225 Difference]: With dead ends: 12482 [2021-11-12 23:17:11,517 INFO L226 Difference]: Without dead ends: 6872 [2021-11-12 23:17:11,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 580 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:17:11,529 INFO L933 BasicCegarLoop]: 4620 mSDtfsCounter, 485 mSDsluCounter, 59164 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32579.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 63784 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.40ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33086.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:11,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 63784 Invalid, 280 Unknown, 0 Unchecked, 66.40ms Time], IncrementalHoareTripleChecker [2 Valid, 270 Invalid, 8 Unknown, 0 Unchecked, 33086.99ms Time] [2021-11-12 23:17:11,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6872 states. [2021-11-12 23:17:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6872 to 5668. [2021-11-12 23:17:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5668 states, 3760 states have (on average 1.2566489361702127) internal successors, (4725), 3868 states have internal predecessors, (4725), 1579 states have call successors, (1579), 314 states have call predecessors, (1579), 319 states have return successors, (1607), 1557 states have call predecessors, (1607), 1577 states have call successors, (1607) [2021-11-12 23:17:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5668 states to 5668 states and 7911 transitions. [2021-11-12 23:17:12,553 INFO L78 Accepts]: Start accepts. Automaton has 5668 states and 7911 transitions. Word has length 298 [2021-11-12 23:17:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:12,554 INFO L470 AbstractCegarLoop]: Abstraction has 5668 states and 7911 transitions. [2021-11-12 23:17:12,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.0625) internal successors, (177), 12 states have internal predecessors, (177), 4 states have call successors, (52), 2 states have call predecessors, (52), 6 states have return successors, (52), 8 states have call predecessors, (52), 4 states have call successors, (52) [2021-11-12 23:17:12,554 INFO L276 IsEmpty]: Start isEmpty. Operand 5668 states and 7911 transitions. [2021-11-12 23:17:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-11-12 23:17:12,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:12,561 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:12,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:12,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:12,779 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mtip_put_int_commandErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-12 23:17:12,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:12,780 INFO L85 PathProgramCache]: Analyzing trace with hash -955115797, now seen corresponding path program 1 times [2021-11-12 23:17:12,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:12,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598363178] [2021-11-12 23:17:12,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:12,783 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:12,784 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:12,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-11-12 23:17:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 2703 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:17:19,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:25,629 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 308 proven. 3 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-11-12 23:17:25,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 9 proven. 97 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2021-11-12 23:17:29,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:29,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598363178] [2021-11-12 23:17:29,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598363178] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:17:29,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1749556210] [2021-11-12 23:17:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:29,173 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:17:29,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:17:29,175 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:17:29,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363c2901-27b8-4260-9e64-204f94597929/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process