./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.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_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/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_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/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_1d6091fe-b509-4ae7-974e-634e99a63269/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 fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:06:59,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:06:59,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:06:59,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:06:59,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:06:59,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:06:59,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:06:59,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:06:59,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:06:59,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:06:59,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:06:59,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:06:59,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:06:59,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:06:59,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:06:59,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:06:59,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:06:59,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:06:59,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:06:59,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:06:59,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:06:59,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:06:59,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:06:59,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:06:59,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:06:59,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:06:59,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:06:59,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:06:59,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:06:59,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:06:59,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:06:59,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:06:59,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:06:59,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:06:59,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:06:59,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:06:59,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:06:59,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:06:59,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:06:59,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:06:59,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:06:59,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:06:59,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:06:59,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:06:59,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:06:59,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:06:59,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:06:59,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:06:59,724 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:06:59,724 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:06:59,731 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:06:59,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:06:59,732 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:06:59,733 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:06:59,733 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:06:59,733 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:06:59,734 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:06:59,734 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:06:59,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:06:59,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:06:59,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:06:59,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:06:59,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:06:59,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:06:59,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:06:59,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:06:59,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:06:59,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:06:59,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:06:59,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:06:59,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:06:59,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:06:59,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:06:59,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:06:59,743 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:06:59,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:06:59,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:06:59,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:06:59,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:06:59,745 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_1d6091fe-b509-4ae7-974e-634e99a63269/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2021-11-12 23:07:00,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:00,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:00,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:00,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:00,130 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:00,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:07:00,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/56e4086f3/f63852c4594147e6aba07cc75efec872/FLAGabc3df0fa [2021-11-12 23:07:01,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:01,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:07:01,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/56e4086f3/f63852c4594147e6aba07cc75efec872/FLAGabc3df0fa [2021-11-12 23:07:02,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/56e4086f3/f63852c4594147e6aba07cc75efec872 [2021-11-12 23:07:02,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:02,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:02,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:02,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:02,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:02,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:02" (1/1) ... [2021-11-12 23:07:02,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6197d04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:02, skipping insertion in model container [2021-11-12 23:07:02,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:02" (1/1) ... [2021-11-12 23:07:02,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:02,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:05,565 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,587 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,597 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,597 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,598 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,606 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 23:07:05,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:05,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,469 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,644 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,660 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,664 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,667 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,670 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,684 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,699 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,712 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,727 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,740 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,755 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,770 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,792 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,803 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,804 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,845 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,847 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,943 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,954 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,979 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 23:07:06,993 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:06,999 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,012 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,037 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,037 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,125 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,144 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,144 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,170 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,184 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,267 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,269 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,270 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,282 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,287 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,288 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,416 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,417 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,420 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,445 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,478 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,478 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,479 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,524 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,524 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,525 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,555 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,556 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,632 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,647 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,648 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,649 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,654 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,655 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,656 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,660 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,661 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,662 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,667 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,668 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,678 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,679 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,683 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,685 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,685 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,686 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,687 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,689 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,690 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,755 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,767 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,779 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,791 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,802 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,814 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,824 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,835 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,849 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,864 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,876 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,926 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,942 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,964 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,979 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 23:07:07,997 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:07,998 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,014 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,027 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,039 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,050 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 23:07:08,060 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,070 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,082 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 23:07:08,092 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 23:07:08,093 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 23:07:08,111 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 23:07:08,126 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,151 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,162 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,163 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,181 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,193 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,231 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,239 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,252 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,254 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,260 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,268 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,271 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,273 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,275 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,276 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,277 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,286 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:08,286 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,291 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,294 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,295 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,295 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,296 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,297 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,298 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,298 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,301 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,306 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,307 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,308 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,310 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,311 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,312 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,313 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,315 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,316 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,317 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,320 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,322 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 23:07:09,323 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,325 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,326 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,327 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,330 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,331 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,332 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,333 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,335 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,339 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,340 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,342 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,342 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,344 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,345 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,357 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,359 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,362 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,366 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,367 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,367 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,404 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:09,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:10,547 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-12 23:07:10,551 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-12 23:07:10,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-12 23:07:10,552 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-12 23:07:10,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:10,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:10,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:10,692 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:07:10,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c2e5ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:10, skipping insertion in model container [2021-11-12 23:07:10,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:10,693 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:07:10,696 INFO L158 Benchmark]: Toolchain (without parser) took 8575.27ms. Allocated memory was 127.9MB in the beginning and 195.0MB in the end (delta: 67.1MB). Free memory was 88.4MB in the beginning and 66.4MB in the end (delta: 22.0MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-11-12 23:07:10,698 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:07:10,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8572.62ms. Allocated memory was 127.9MB in the beginning and 195.0MB in the end (delta: 67.1MB). Free memory was 88.0MB in the beginning and 66.4MB in the end (delta: 21.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-11-12 23:07:10,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8572.62ms. Allocated memory was 127.9MB in the beginning and 195.0MB in the end (delta: 67.1MB). Free memory was 88.0MB in the beginning and 66.4MB in the end (delta: 21.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6822]: 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_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/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_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/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_1d6091fe-b509-4ae7-974e-634e99a63269/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 fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:07:13,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:07:13,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:07:13,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:07:13,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:07:13,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:07:13,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:07:13,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:07:13,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:07:13,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:07:13,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:07:13,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:07:13,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:07:13,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:07:13,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:07:13,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:07:13,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:07:13,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:07:13,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:07:13,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:07:13,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:07:13,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:07:13,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:07:13,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:07:13,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:07:13,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:07:13,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:07:13,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:07:13,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:07:13,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:07:13,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:07:13,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:07:13,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:07:13,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:07:13,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:07:13,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:07:13,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:07:13,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:07:13,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:07:13,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:07:13,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:07:13,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:07:13,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:07:13,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:07:13,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:07:13,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:07:13,787 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:07:13,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:07:13,787 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:07:13,788 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:07:13,788 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:07:13,788 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:07:13,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:07:13,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:07:13,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:07:13,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:07:13,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:07:13,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:07:13,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:07:13,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:07:13,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:07:13,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:07:13,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:07:13,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:07:13,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:07:13,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:07:13,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:13,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:07:13,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:07:13,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:07:13,795 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:07:13,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:07:13,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:07:13,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:07:13,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:07:13,797 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_1d6091fe-b509-4ae7-974e-634e99a63269/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2021-11-12 23:07:14,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:07:14,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:07:14,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:07:14,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:07:14,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:07:14,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:07:14,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/4bce3857b/57abcba6e5754b22be788544477d4401/FLAG11e9b7741 [2021-11-12 23:07:15,838 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:07:15,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:07:15,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/4bce3857b/57abcba6e5754b22be788544477d4401/FLAG11e9b7741 [2021-11-12 23:07:16,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/data/4bce3857b/57abcba6e5754b22be788544477d4401 [2021-11-12 23:07:16,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:07:16,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:07:16,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:16,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:07:16,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:07:16,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:16" (1/1) ... [2021-11-12 23:07:16,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652849bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:16, skipping insertion in model container [2021-11-12 23:07:16,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:07:16" (1/1) ... [2021-11-12 23:07:16,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:07:16,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:21,933 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:07:25,126 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-12 23:07:25,129 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-12 23:07:25,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-12 23:07:25,130 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-12 23:07:25,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:25,312 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:07:25,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:07:26,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-12 23:07:26,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-12 23:07:26,366 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-12 23:07:26,367 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-12 23:07:26,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:26,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:07:27,396 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-12 23:07:27,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-12 23:07:27,401 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-12 23:07:27,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-12 23:07:27,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:07:27,872 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:07:27,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27 WrapperNode [2021-11-12 23:07:27,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:07:27,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:07:27,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:07:27,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:07:27,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:28,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:28,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:07:28,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:07:28,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:07:28,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:07:28,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:28,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:28,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:28,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:29,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:29,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:29,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:29,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:07:29,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:07:29,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:07:29,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:07:29,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (1/1) ... [2021-11-12 23:07:29,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:07:29,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:07:29,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:07:29,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-12 23:07:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-12 23:07:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-12 23:07:29,702 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-12 23:07:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:07:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-12 23:07:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-12 23:07:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-12 23:07:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-12 23:07:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-12 23:07:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-12 23:07:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-12 23:07:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-12 23:07:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-12 23:07:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:07:29,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:07:29,705 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-12 23:07:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-12 23:07:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:07:29,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:07:29,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:07:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:07:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-12 23:07:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-12 23:07:29,707 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-12 23:07:29,707 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-12 23:07:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:07:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:07:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-12 23:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-12 23:07:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-12 23:07:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-12 23:07:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-12 23:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-12 23:07:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-12 23:07:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-12 23:07:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:07:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:07:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-12 23:07:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-12 23:07:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2021-11-12 23:07:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2021-11-12 23:07:29,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-12 23:07:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-12 23:07:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-12 23:07:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-12 23:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:07:29,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:07:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-12 23:07:29,717 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-12 23:07:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-12 23:07:29,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-12 23:07:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-12 23:07:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-12 23:07:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:07:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:07:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-12 23:07:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-12 23:07:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:07:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-12 23:07:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-12 23:07:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:07:29,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:07:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:07:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:07:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-12 23:07:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-12 23:07:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-12 23:07:29,723 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-12 23:07:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-12 23:07:29,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-12 23:07:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:07:29,725 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:07:29,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:07:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:07:29,726 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-12 23:07:29,726 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-12 23:07:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-12 23:07:29,727 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-12 23:07:29,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:07:29,728 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:07:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:07:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-12 23:07:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-12 23:07:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-12 23:07:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-12 23:07:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:07:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:07:29,730 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-12 23:07:29,730 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-12 23:07:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:07:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-12 23:07:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-12 23:07:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:07:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:07:29,732 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:07:29,732 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:07:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:07:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:07:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:07:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-12 23:07:29,733 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-12 23:07:29,736 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-12 23:07:29,737 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-12 23:07:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-12 23:07:29,740 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-12 23:07:29,740 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:07:29,741 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:07:29,741 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-12 23:07:29,742 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-12 23:07:29,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:07:29,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:07:29,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 23:07:29,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 23:07:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:07:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:07:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-12 23:07:29,750 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-12 23:07:29,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:07:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:07:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-12 23:07:29,751 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-12 23:07:29,751 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-12 23:07:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-12 23:07:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-12 23:07:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-12 23:07:29,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:07:29,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:07:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:07:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:07:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-12 23:07:29,753 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-12 23:07:29,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-12 23:07:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-12 23:07:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-12 23:07:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-12 23:07:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:07:29,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:07:29,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-12 23:07:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-12 23:07:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:07:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:07:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:07:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:07:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:07:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:07:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:07:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:07:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:07:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:07:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-12 23:07:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-12 23:07:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-12 23:07:29,757 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-12 23:07:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:07:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-12 23:07:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-12 23:07:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-12 23:07:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-12 23:07:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:07:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:07:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:07:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:07:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:07:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-12 23:07:29,760 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-12 23:07:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:07:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:07:29,760 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-12 23:07:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-12 23:07:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:07:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-12 23:07:29,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-12 23:07:29,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:07:29,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:07:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:07:29,762 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:07:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:07:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-12 23:07:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-12 23:07:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-12 23:07:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-12 23:07:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:07:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:07:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-12 23:07:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-12 23:07:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:07:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:07:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-12 23:07:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-12 23:07:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:07:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:07:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:07:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:07:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-12 23:07:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-12 23:07:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-12 23:07:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-12 23:07:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:07:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:07:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:07:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-12 23:07:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-12 23:07:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:07:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:07:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-12 23:07:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-12 23:07:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:07:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:07:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-12 23:07:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-12 23:07:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:07:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:07:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-12 23:07:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-12 23:07:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:07:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 23:07:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 23:07:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:07:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:07:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-12 23:07:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-12 23:07:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:07:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-12 23:07:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-12 23:07:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-12 23:07:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-12 23:07:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:07:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:07:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:07:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:07:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:07:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:07:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-12 23:07:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-12 23:07:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-12 23:07:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-12 23:07:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:07:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:07:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 23:07:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 23:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-12 23:07:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-12 23:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-12 23:07:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-12 23:07:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-12 23:07:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-12 23:07:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-12 23:07:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-12 23:07:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-12 23:07:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-12 23:07:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-12 23:07:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-12 23:07:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:07:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:07:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-12 23:07:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-12 23:07:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:07:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:07:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-12 23:07:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-12 23:07:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 23:07:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 23:07:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-12 23:07:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-12 23:07:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:07:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:07:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-12 23:07:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-12 23:07:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:07:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:07:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:07:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-12 23:07:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-12 23:07:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-12 23:07:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-12 23:07:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:07:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-12 23:07:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-12 23:07:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-12 23:07:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-12 23:07:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-12 23:07:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-12 23:07:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 23:07:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 23:07:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-12 23:07:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-12 23:07:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:07:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:07:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:07:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:07:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:07:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:07:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:07:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-12 23:07:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-12 23:07:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-12 23:07:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-12 23:07:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:07:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:07:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:07:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:07:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-12 23:07:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-12 23:07:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 23:07:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 23:07:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:07:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:07:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-12 23:07:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-12 23:07:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-12 23:07:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-12 23:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:07:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 23:07:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 23:07:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-12 23:07:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-12 23:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-12 23:07:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-12 23:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:07:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:07:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-12 23:07:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-12 23:07:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-12 23:07:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-12 23:07:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:07:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:07:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:07:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:07:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-12 23:07:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-12 23:07:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-12 23:07:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-12 23:07:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-12 23:07:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-12 23:07:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:07:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:07:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:07:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:07:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:07:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:07:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-12 23:07:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-12 23:07:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:07:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:07:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-12 23:07:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-12 23:07:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-12 23:07:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-12 23:07:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:07:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:07:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:07:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:07:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-12 23:07:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-12 23:07:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 23:07:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 23:07:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 23:07:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 23:07:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:07:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:07:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-12 23:07:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-12 23:07:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-12 23:07:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-12 23:07:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-12 23:07:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-12 23:07:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:07:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:07:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:07:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:07:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-12 23:07:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-12 23:07:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:07:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:07:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-12 23:07:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-12 23:07:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:07:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:07:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-12 23:07:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-12 23:07:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-12 23:07:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-12 23:07:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:07:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:07:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-12 23:07:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-12 23:07:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-12 23:07:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-12 23:07:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-12 23:07:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-12 23:07:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-12 23:07:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-12 23:07:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-12 23:07:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-12 23:07:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-12 23:07:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-12 23:07:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-12 23:07:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-12 23:07:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-12 23:07:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-12 23:07:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:07:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:07:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-12 23:07:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-12 23:07:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 23:07:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 23:07:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-12 23:07:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-12 23:07:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-12 23:07:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-12 23:07:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-12 23:07:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-12 23:07:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-12 23:07:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-12 23:07:34,860 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:11:09,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:11:09,251 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-12 23:11:09,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:11:09 BoogieIcfgContainer [2021-11-12 23:11:09,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:11:09,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:11:09,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:11:09,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:11:09,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:07:16" (1/3) ... [2021-11-12 23:11:09,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1f620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:11:09, skipping insertion in model container [2021-11-12 23:11:09,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:07:27" (2/3) ... [2021-11-12 23:11:09,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1f620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:11:09, skipping insertion in model container [2021-11-12 23:11:09,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:11:09" (3/3) ... [2021-11-12 23:11:09,268 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:11:09,274 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:11:09,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:11:09,363 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:11:09,369 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 23:11:09,369 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:11:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 4444 states, 2932 states have (on average 1.3154843110504775) internal successors, (3857), 3099 states have internal predecessors, (3857), 1319 states have call successors, (1319), 191 states have call predecessors, (1319), 190 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:11:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 23:11:09,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:09,515 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:09,515 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:09,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:09,523 INFO L85 PathProgramCache]: Analyzing trace with hash -299414834, now seen corresponding path program 1 times [2021-11-12 23:11:09,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:09,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163510321] [2021-11-12 23:11:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:09,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:09,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:11:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:11:37,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:11:37,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:11:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-12 23:11:38,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:11:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:11:39,264 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:11:39,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163510321] [2021-11-12 23:11:39,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163510321] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:11:39,265 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:11:39,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:11:39,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846315645] [2021-11-12 23:11:39,268 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:11:39,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:11:39,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:11:39,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:11:39,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:39,325 INFO L87 Difference]: Start difference. First operand has 4444 states, 2932 states have (on average 1.3154843110504775) internal successors, (3857), 3099 states have internal predecessors, (3857), 1319 states have call successors, (1319), 191 states have call predecessors, (1319), 190 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:11:41,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:11:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:11:42,128 INFO L93 Difference]: Finished difference Result 8828 states and 13129 transitions. [2021-11-12 23:11:42,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:11:42,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2021-11-12 23:11:42,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:11:42,221 INFO L225 Difference]: With dead ends: 8828 [2021-11-12 23:11:42,221 INFO L226 Difference]: Without dead ends: 4413 [2021-11-12 23:11:42,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:11:42,299 INFO L933 BasicCegarLoop]: 6445 mSDtfsCounter, 0 mSDsluCounter, 6441 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2120.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12886 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 77.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2148.16ms IncrementalHoareTripleChecker+Time [2021-11-12 23:11:42,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12886 Invalid, 4 Unknown, 0 Unchecked, 77.20ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2148.16ms Time] [2021-11-12 23:11:42,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2021-11-12 23:11:42,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 4413. [2021-11-12 23:11:42,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 2918 states have (on average 1.306716929403701) internal successors, (3813), 3076 states have internal predecessors, (3813), 1303 states have call successors, (1303), 190 states have call predecessors, (1303), 189 states have return successors, (1300), 1237 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-12 23:11:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 6416 transitions. [2021-11-12 23:11:42,824 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 6416 transitions. Word has length 93 [2021-11-12 23:11:42,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:11:42,828 INFO L470 AbstractCegarLoop]: Abstraction has 4413 states and 6416 transitions. [2021-11-12 23:11:42,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:11:42,828 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 6416 transitions. [2021-11-12 23:11:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 23:11:42,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:11:42,851 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:11:42,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:11:43,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:11:43,067 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:11:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:11:43,068 INFO L85 PathProgramCache]: Analyzing trace with hash -24655220, now seen corresponding path program 1 times [2021-11-12 23:11:43,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:11:43,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726857793] [2021-11-12 23:11:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:11:43,086 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:11:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:11:43,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:11:43,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:12:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:11,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:12:11,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-12 23:12:12,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:12:13,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:12:13,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726857793] [2021-11-12 23:12:13,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726857793] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:13,857 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:13,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:12:13,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700997499] [2021-11-12 23:12:13,857 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:13,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:12:13,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:12:13,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:12:13,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:12:13,864 INFO L87 Difference]: Start difference. First operand 4413 states and 6416 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:12:15,960 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:12:17,977 WARN L515 Checker$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 23:12:20,003 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 23:12:33,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:33,064 INFO L93 Difference]: Finished difference Result 11036 states and 16232 transitions. [2021-11-12 23:12:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:33,065 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2021-11-12 23:12:33,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:33,153 INFO L225 Difference]: With dead ends: 11036 [2021-11-12 23:12:33,153 INFO L226 Difference]: Without dead ends: 6645 [2021-11-12 23:12:33,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:12:33,201 INFO L933 BasicCegarLoop]: 8381 mSDtfsCounter, 4608 mSDsluCounter, 36725 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 1581 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17360.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5003 SdHoareTripleChecker+Valid, 45106 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 138.03ms SdHoareTripleChecker+Time, 1581 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17914.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:33,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5003 Valid, 45106 Invalid, 1997 Unknown, 0 Unchecked, 138.03ms Time], IncrementalHoareTripleChecker [1581 Valid, 413 Invalid, 3 Unknown, 0 Unchecked, 17914.44ms Time] [2021-11-12 23:12:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6645 states. [2021-11-12 23:12:33,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6645 to 4416. [2021-11-12 23:12:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4416 states, 2921 states have (on average 1.3064019171516603) internal successors, (3816), 3079 states have internal predecessors, (3816), 1303 states have call successors, (1303), 190 states have call predecessors, (1303), 189 states have return successors, (1300), 1237 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-12 23:12:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 6419 transitions. [2021-11-12 23:12:33,559 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 6419 transitions. Word has length 93 [2021-11-12 23:12:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:33,560 INFO L470 AbstractCegarLoop]: Abstraction has 4416 states and 6419 transitions. [2021-11-12 23:12:33,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:12:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 6419 transitions. [2021-11-12 23:12:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-12 23:12:33,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:33,563 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:33,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:33,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:12:33,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:12:33,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:33,780 INFO L85 PathProgramCache]: Analyzing trace with hash 819350282, now seen corresponding path program 1 times [2021-11-12 23:12:33,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:12:33,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131002468] [2021-11-12 23:12:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:33,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:12:33,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:12:33,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:12:33,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:13:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:01,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 3920 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:13:01,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:05,621 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:13:05,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:13:07,388 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:07,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131002468] [2021-11-12 23:13:07,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131002468] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:07,389 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:07,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:13:07,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962618319] [2021-11-12 23:13:07,390 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:07,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:13:07,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:07,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:13:07,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:13:07,393 INFO L87 Difference]: Start difference. First operand 4416 states and 6419 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:13:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:08,863 INFO L93 Difference]: Finished difference Result 4422 states and 6424 transitions. [2021-11-12 23:13:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:13:08,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 93 [2021-11-12 23:13:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:08,909 INFO L225 Difference]: With dead ends: 4422 [2021-11-12 23:13:08,909 INFO L226 Difference]: Without dead ends: 4420 [2021-11-12 23:13:08,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:13:08,920 INFO L933 BasicCegarLoop]: 6412 mSDtfsCounter, 6358 mSDsluCounter, 12812 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 472.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 19224 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.55ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 479.22ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:08,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6369 Valid, 19224 Invalid, 21 Unknown, 0 Unchecked, 75.55ms Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 479.22ms Time] [2021-11-12 23:13:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2021-11-12 23:13:09,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 4420. [2021-11-12 23:13:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4420 states, 2924 states have (on average 1.3060875512995895) internal successors, (3819), 3082 states have internal predecessors, (3819), 1303 states have call successors, (1303), 191 states have call predecessors, (1303), 190 states have return successors, (1300), 1237 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-12 23:13:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4420 states to 4420 states and 6422 transitions. [2021-11-12 23:13:09,249 INFO L78 Accepts]: Start accepts. Automaton has 4420 states and 6422 transitions. Word has length 93 [2021-11-12 23:13:09,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:09,250 INFO L470 AbstractCegarLoop]: Abstraction has 4420 states and 6422 transitions. [2021-11-12 23:13:09,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (25), 4 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:13:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 6422 transitions. [2021-11-12 23:13:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-12 23:13:09,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:09,254 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:09,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:09,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:09,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:13:09,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 739682861, now seen corresponding path program 1 times [2021-11-12 23:13:09,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:09,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939361332] [2021-11-12 23:13:09,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:09,482 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:09,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:09,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:13:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:37,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 3927 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:13:37,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:13:41,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-12 23:13:43,485 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:43,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939361332] [2021-11-12 23:13:43,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939361332] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:13:43,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:13:43,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:13:43,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894037867] [2021-11-12 23:13:43,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:43,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:13:43,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:43,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:13:43,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:13:43,487 INFO L87 Difference]: Start difference. First operand 4420 states and 6422 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 23:13:44,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:44,836 INFO L93 Difference]: Finished difference Result 4426 states and 6427 transitions. [2021-11-12 23:13:44,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:13:44,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2021-11-12 23:13:44,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:44,888 INFO L225 Difference]: With dead ends: 4426 [2021-11-12 23:13:44,889 INFO L226 Difference]: Without dead ends: 4424 [2021-11-12 23:13:44,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:13:44,897 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 405.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6389 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.66ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 411.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:44,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6389 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 46.66ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 411.92ms Time] [2021-11-12 23:13:44,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2021-11-12 23:13:45,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 4424. [2021-11-12 23:13:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 2927 states have (on average 1.3057738298599249) internal successors, (3822), 3085 states have internal predecessors, (3822), 1303 states have call successors, (1303), 192 states have call predecessors, (1303), 191 states have return successors, (1300), 1237 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-12 23:13:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 6425 transitions. [2021-11-12 23:13:45,230 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 6425 transitions. Word has length 98 [2021-11-12 23:13:45,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:45,231 INFO L470 AbstractCegarLoop]: Abstraction has 4424 states and 6425 transitions. [2021-11-12 23:13:45,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-12 23:13:45,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 6425 transitions. [2021-11-12 23:13:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-12 23:13:45,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:45,235 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:45,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:45,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:45,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:13:45,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1861197654, now seen corresponding path program 1 times [2021-11-12 23:13:45,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:45,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482633612] [2021-11-12 23:13:45,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:45,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:45,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:45,473 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:45,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:14:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:12,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 3934 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:14:12,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-12 23:14:17,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-12 23:14:18,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:18,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482633612] [2021-11-12 23:14:18,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482633612] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:14:18,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:14:18,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:14:18,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063086335] [2021-11-12 23:14:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:18,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:14:18,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:14:18,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:14:18,936 INFO L87 Difference]: Start difference. First operand 4424 states and 6425 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-12 23:14:20,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:20,250 INFO L93 Difference]: Finished difference Result 4430 states and 6430 transitions. [2021-11-12 23:14:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:14:20,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 103 [2021-11-12 23:14:20,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:20,300 INFO L225 Difference]: With dead ends: 4430 [2021-11-12 23:14:20,300 INFO L226 Difference]: Without dead ends: 4428 [2021-11-12 23:14:20,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:14:20,307 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 389.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6388 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.23ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 395.21ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:20,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6388 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 39.23ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 395.21ms Time] [2021-11-12 23:14:20,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2021-11-12 23:14:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 4428. [2021-11-12 23:14:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4428 states, 2930 states have (on average 1.3054607508532423) internal successors, (3825), 3088 states have internal predecessors, (3825), 1303 states have call successors, (1303), 193 states have call predecessors, (1303), 192 states have return successors, (1300), 1237 states have call predecessors, (1300), 1300 states have call successors, (1300) [2021-11-12 23:14:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4428 states to 4428 states and 6428 transitions. [2021-11-12 23:14:20,645 INFO L78 Accepts]: Start accepts. Automaton has 4428 states and 6428 transitions. Word has length 103 [2021-11-12 23:14:20,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:20,647 INFO L470 AbstractCegarLoop]: Abstraction has 4428 states and 6428 transitions. [2021-11-12 23:14:20,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-12 23:14:20,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4428 states and 6428 transitions. [2021-11-12 23:14:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:14:20,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:20,649 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:20,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:20,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:20,863 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:14:20,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash -953989107, now seen corresponding path program 1 times [2021-11-12 23:14:20,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:20,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591831212] [2021-11-12 23:14:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:20,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:20,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:20,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:20,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:14:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:47,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:14:47,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-12 23:14:52,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-12 23:14:54,622 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:54,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591831212] [2021-11-12 23:14:54,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591831212] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:14:54,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:14:54,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:14:54,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275024338] [2021-11-12 23:14:54,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:14:54,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:14:54,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:54,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:14:54,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:14:54,625 INFO L87 Difference]: Start difference. First operand 4428 states and 6428 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-12 23:14:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:56,036 INFO L93 Difference]: Finished difference Result 4487 states and 6485 transitions. [2021-11-12 23:14:56,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:14:56,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 108 [2021-11-12 23:14:56,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:56,100 INFO L225 Difference]: With dead ends: 4487 [2021-11-12 23:14:56,100 INFO L226 Difference]: Without dead ends: 4485 [2021-11-12 23:14:56,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:14:56,107 INFO L933 BasicCegarLoop]: 6423 mSDtfsCounter, 6290 mSDsluCounter, 12966 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 397.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6298 SdHoareTripleChecker+Valid, 19389 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.95ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 403.73ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:56,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6298 Valid, 19389 Invalid, 22 Unknown, 0 Unchecked, 43.95ms Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 403.73ms Time] [2021-11-12 23:14:56,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4485 states. [2021-11-12 23:14:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4485 to 4485. [2021-11-12 23:14:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4485 states, 2969 states have (on average 1.3027955540586056) internal successors, (3868), 3127 states have internal predecessors, (3868), 1309 states have call successors, (1309), 205 states have call predecessors, (1309), 204 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:14:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 4485 states and 6483 transitions. [2021-11-12 23:14:56,614 INFO L78 Accepts]: Start accepts. Automaton has 4485 states and 6483 transitions. Word has length 108 [2021-11-12 23:14:56,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:56,615 INFO L470 AbstractCegarLoop]: Abstraction has 4485 states and 6483 transitions. [2021-11-12 23:14:56,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-12 23:14:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 4485 states and 6483 transitions. [2021-11-12 23:14:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-12 23:14:56,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:56,621 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:56,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:56,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:56,845 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:14:56,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1691721290, now seen corresponding path program 1 times [2021-11-12 23:14:56,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:56,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632733422] [2021-11-12 23:14:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:56,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:56,856 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:56,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:15:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:24,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 3948 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:15:24,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:15:28,726 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-12 23:15:28,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:15:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-12 23:15:30,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:15:30,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632733422] [2021-11-12 23:15:30,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632733422] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:15:30,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:15:30,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:15:30,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467507649] [2021-11-12 23:15:30,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:15:30,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:15:30,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:15:30,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:15:30,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:15:30,678 INFO L87 Difference]: Start difference. First operand 4485 states and 6483 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:15:32,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:15:32,038 INFO L93 Difference]: Finished difference Result 4491 states and 6488 transitions. [2021-11-12 23:15:32,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:15:32,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 113 [2021-11-12 23:15:32,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:15:32,068 INFO L225 Difference]: With dead ends: 4491 [2021-11-12 23:15:32,068 INFO L226 Difference]: Without dead ends: 4489 [2021-11-12 23:15:32,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:15:32,075 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 375.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6386 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 381.06ms IncrementalHoareTripleChecker+Time [2021-11-12 23:15:32,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6386 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 44.16ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 381.06ms Time] [2021-11-12 23:15:32,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2021-11-12 23:15:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4489. [2021-11-12 23:15:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 2972 states have (on average 1.3024899057873487) internal successors, (3871), 3130 states have internal predecessors, (3871), 1309 states have call successors, (1309), 206 states have call predecessors, (1309), 205 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:15:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6486 transitions. [2021-11-12 23:15:32,446 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6486 transitions. Word has length 113 [2021-11-12 23:15:32,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:15:32,447 INFO L470 AbstractCegarLoop]: Abstraction has 4489 states and 6486 transitions. [2021-11-12 23:15:32,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-12 23:15:32,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6486 transitions. [2021-11-12 23:15:32,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-12 23:15:32,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:32,451 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:15:32,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:15:32,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:15:32,667 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:15:32,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:32,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1352811027, now seen corresponding path program 1 times [2021-11-12 23:15:32,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:32,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665178131] [2021-11-12 23:15:32,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:32,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:32,685 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:32,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:15:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:15:59,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 3955 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:15:59,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-12 23:16:05,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-12 23:16:07,071 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:07,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665178131] [2021-11-12 23:16:07,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665178131] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:16:07,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:16:07,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:16:07,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030588825] [2021-11-12 23:16:07,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:07,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:16:07,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:07,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:16:07,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:16:07,073 INFO L87 Difference]: Start difference. First operand 4489 states and 6486 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:16:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:08,471 INFO L93 Difference]: Finished difference Result 4495 states and 6491 transitions. [2021-11-12 23:16:08,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:16:08,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 118 [2021-11-12 23:16:08,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:08,498 INFO L225 Difference]: With dead ends: 4495 [2021-11-12 23:16:08,499 INFO L226 Difference]: Without dead ends: 4493 [2021-11-12 23:16:08,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:16:08,505 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 370.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.82ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 380.12ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:08,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6385 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 43.82ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 380.12ms Time] [2021-11-12 23:16:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4493 states. [2021-11-12 23:16:08,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4493 to 4493. [2021-11-12 23:16:08,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4493 states, 2975 states have (on average 1.3021848739495798) internal successors, (3874), 3133 states have internal predecessors, (3874), 1309 states have call successors, (1309), 207 states have call predecessors, (1309), 206 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:16:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 4493 states and 6489 transitions. [2021-11-12 23:16:08,888 INFO L78 Accepts]: Start accepts. Automaton has 4493 states and 6489 transitions. Word has length 118 [2021-11-12 23:16:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:08,889 INFO L470 AbstractCegarLoop]: Abstraction has 4493 states and 6489 transitions. [2021-11-12 23:16:08,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-12 23:16:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4493 states and 6489 transitions. [2021-11-12 23:16:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-12 23:16:08,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:08,893 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:16:09,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:16:09,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:09,119 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:16:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:09,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1236007958, now seen corresponding path program 1 times [2021-11-12 23:16:09,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:09,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902243666] [2021-11-12 23:16:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:09,128 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:09,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:09,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:16:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:36,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 3962 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:16:36,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-12 23:16:41,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-12 23:16:43,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:43,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902243666] [2021-11-12 23:16:43,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902243666] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:16:43,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:16:43,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:16:43,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146799205] [2021-11-12 23:16:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:43,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:16:43,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:16:43,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:16:43,694 INFO L87 Difference]: Start difference. First operand 4493 states and 6489 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:16:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:45,048 INFO L93 Difference]: Finished difference Result 4499 states and 6494 transitions. [2021-11-12 23:16:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:16:45,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2021-11-12 23:16:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:45,075 INFO L225 Difference]: With dead ends: 4499 [2021-11-12 23:16:45,075 INFO L226 Difference]: Without dead ends: 4497 [2021-11-12 23:16:45,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:16:45,082 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 374.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6384 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.49ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 380.17ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:45,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6384 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 32.49ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 380.17ms Time] [2021-11-12 23:16:45,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4497 states. [2021-11-12 23:16:45,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4497 to 4497. [2021-11-12 23:16:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4497 states, 2978 states have (on average 1.3018804566823372) internal successors, (3877), 3136 states have internal predecessors, (3877), 1309 states have call successors, (1309), 208 states have call predecessors, (1309), 207 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:16:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 6492 transitions. [2021-11-12 23:16:45,499 INFO L78 Accepts]: Start accepts. Automaton has 4497 states and 6492 transitions. Word has length 123 [2021-11-12 23:16:45,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:45,502 INFO L470 AbstractCegarLoop]: Abstraction has 4497 states and 6492 transitions. [2021-11-12 23:16:45,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-12 23:16:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4497 states and 6492 transitions. [2021-11-12 23:16:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-12 23:16:45,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:45,505 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:16:45,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:16:45,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:45,719 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:16:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash 123210701, now seen corresponding path program 1 times [2021-11-12 23:16:45,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:45,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407171167] [2021-11-12 23:16:45,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:45,729 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:45,731 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:45,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:17:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 3969 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:17:12,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-12 23:17:18,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-12 23:17:20,437 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:20,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407171167] [2021-11-12 23:17:20,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407171167] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:17:20,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:17:20,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:17:20,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775287105] [2021-11-12 23:17:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:20,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:17:20,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:17:20,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:17:20,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:17:20,440 INFO L87 Difference]: Start difference. First operand 4497 states and 6492 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:17:21,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:21,717 INFO L93 Difference]: Finished difference Result 4503 states and 6497 transitions. [2021-11-12 23:17:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:17:21,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2021-11-12 23:17:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:21,746 INFO L225 Difference]: With dead ends: 4503 [2021-11-12 23:17:21,746 INFO L226 Difference]: Without dead ends: 4501 [2021-11-12 23:17:21,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:17:21,756 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 371.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6383 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.58ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 376.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:21,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6383 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 26.58ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 376.05ms Time] [2021-11-12 23:17:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2021-11-12 23:17:22,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4501. [2021-11-12 23:17:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4501 states, 2981 states have (on average 1.3015766521301577) internal successors, (3880), 3139 states have internal predecessors, (3880), 1309 states have call successors, (1309), 209 states have call predecessors, (1309), 208 states have return successors, (1306), 1243 states have call predecessors, (1306), 1306 states have call successors, (1306) [2021-11-12 23:17:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4501 states to 4501 states and 6495 transitions. [2021-11-12 23:17:22,235 INFO L78 Accepts]: Start accepts. Automaton has 4501 states and 6495 transitions. Word has length 128 [2021-11-12 23:17:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:22,236 INFO L470 AbstractCegarLoop]: Abstraction has 4501 states and 6495 transitions. [2021-11-12 23:17:22,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:17:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 4501 states and 6495 transitions. [2021-11-12 23:17:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:17:22,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:22,242 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:22,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-12 23:17:22,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:22,467 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:17:22,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1397808479, now seen corresponding path program 1 times [2021-11-12 23:17:22,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:22,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074692026] [2021-11-12 23:17:22,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:22,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:22,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:22,478 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:17:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:50,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 4039 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:17:50,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-11-12 23:17:55,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-12 23:18:03,222 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:18:03,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074692026] [2021-11-12 23:18:03,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074692026] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:03,222 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:03,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 21 [2021-11-12 23:18:03,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043605781] [2021-11-12 23:18:03,223 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:03,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-12 23:18:03,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:18:03,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-12 23:18:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:18:03,225 INFO L87 Difference]: Start difference. First operand 4501 states and 6495 transitions. Second operand has 21 states, 19 states have (on average 4.2631578947368425) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) [2021-11-12 23:18:30,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:30,168 INFO L93 Difference]: Finished difference Result 6788 states and 9725 transitions. [2021-11-12 23:18:30,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:18:30,169 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.2631578947368425) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) Word has length 156 [2021-11-12 23:18:30,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:30,205 INFO L225 Difference]: With dead ends: 6788 [2021-11-12 23:18:30,205 INFO L226 Difference]: Without dead ends: 4513 [2021-11-12 23:18:30,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:18:30,228 INFO L933 BasicCegarLoop]: 6358 mSDtfsCounter, 33 mSDsluCounter, 101551 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23298.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 107909 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.16ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23536.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:30,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 107909 Invalid, 1219 Unknown, 0 Unchecked, 122.16ms Time], IncrementalHoareTripleChecker [39 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 23536.25ms Time] [2021-11-12 23:18:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4513 states. [2021-11-12 23:18:30,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4513 to 4509. [2021-11-12 23:18:30,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 2987 states have (on average 1.3009708737864079) internal successors, (3886), 3145 states have internal predecessors, (3886), 1311 states have call successors, (1311), 209 states have call predecessors, (1311), 208 states have return successors, (1308), 1245 states have call predecessors, (1308), 1308 states have call successors, (1308) [2021-11-12 23:18:30,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6505 transitions. [2021-11-12 23:18:30,746 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6505 transitions. Word has length 156 [2021-11-12 23:18:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:30,747 INFO L470 AbstractCegarLoop]: Abstraction has 4509 states and 6505 transitions. [2021-11-12 23:18:30,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.2631578947368425) internal successors, (81), 19 states have internal predecessors, (81), 8 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 8 states have call predecessors, (37), 8 states have call successors, (37) [2021-11-12 23:18:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6505 transitions. [2021-11-12 23:18:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-12 23:18:30,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:30,751 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:30,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-12 23:18:30,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:18:30,970 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:18:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:30,970 INFO L85 PathProgramCache]: Analyzing trace with hash 775524746, now seen corresponding path program 1 times [2021-11-12 23:18:30,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:18:30,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [925370900] [2021-11-12 23:18:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:30,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:18:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:18:30,982 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:18:30,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:18:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:58,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:18:58,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-12 23:19:04,689 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-12 23:19:06,840 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:06,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [925370900] [2021-11-12 23:19:06,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [925370900] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:06,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:19:06,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:19:06,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199826973] [2021-11-12 23:19:06,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:06,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:19:06,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:06,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:19:06,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:19:06,843 INFO L87 Difference]: Start difference. First operand 4509 states and 6505 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-12 23:19:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:08,188 INFO L93 Difference]: Finished difference Result 4515 states and 6510 transitions. [2021-11-12 23:19:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:19:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 133 [2021-11-12 23:19:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:08,217 INFO L225 Difference]: With dead ends: 4515 [2021-11-12 23:19:08,218 INFO L226 Difference]: Without dead ends: 4513 [2021-11-12 23:19:08,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:19:08,223 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 397.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6382 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.24ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 402.76ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:08,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6382 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 26.24ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 402.76ms Time] [2021-11-12 23:19:08,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4513 states. [2021-11-12 23:19:08,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4513 to 4513. [2021-11-12 23:19:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4513 states, 2990 states have (on average 1.3006688963210702) internal successors, (3889), 3148 states have internal predecessors, (3889), 1311 states have call successors, (1311), 210 states have call predecessors, (1311), 209 states have return successors, (1308), 1245 states have call predecessors, (1308), 1308 states have call successors, (1308) [2021-11-12 23:19:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 4513 states and 6508 transitions. [2021-11-12 23:19:08,699 INFO L78 Accepts]: Start accepts. Automaton has 4513 states and 6508 transitions. Word has length 133 [2021-11-12 23:19:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:08,700 INFO L470 AbstractCegarLoop]: Abstraction has 4513 states and 6508 transitions. [2021-11-12 23:19:08,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-12 23:19:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4513 states and 6508 transitions. [2021-11-12 23:19:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-12 23:19:08,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:08,703 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:08,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:08,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:08,927 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:19:08,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:08,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1663316397, now seen corresponding path program 1 times [2021-11-12 23:19:08,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:08,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50675183] [2021-11-12 23:19:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:08,942 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:08,944 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:08,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:19:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:36,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 3983 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:19:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-12 23:19:42,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-12 23:19:44,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:44,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50675183] [2021-11-12 23:19:44,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50675183] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:19:44,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:19:44,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:19:44,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112811461] [2021-11-12 23:19:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:44,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:19:44,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:44,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:19:44,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:19:44,219 INFO L87 Difference]: Start difference. First operand 4513 states and 6508 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:19:45,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:45,425 INFO L93 Difference]: Finished difference Result 4519 states and 6513 transitions. [2021-11-12 23:19:45,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:19:45,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2021-11-12 23:19:45,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:45,451 INFO L225 Difference]: With dead ends: 4519 [2021-11-12 23:19:45,452 INFO L226 Difference]: Without dead ends: 4517 [2021-11-12 23:19:45,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:19:45,457 INFO L933 BasicCegarLoop]: 6415 mSDtfsCounter, 6379 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 341.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6381 SdHoareTripleChecker+Valid, 19226 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.26ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 345.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:45,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6381 Valid, 19226 Invalid, 20 Unknown, 0 Unchecked, 23.26ms Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 345.66ms Time] [2021-11-12 23:19:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4517 states. [2021-11-12 23:19:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4517 to 4517. [2021-11-12 23:19:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 2993 states have (on average 1.3003675242231874) internal successors, (3892), 3151 states have internal predecessors, (3892), 1311 states have call successors, (1311), 211 states have call predecessors, (1311), 210 states have return successors, (1308), 1245 states have call predecessors, (1308), 1308 states have call successors, (1308) [2021-11-12 23:19:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6511 transitions. [2021-11-12 23:19:45,870 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6511 transitions. Word has length 138 [2021-11-12 23:19:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:45,871 INFO L470 AbstractCegarLoop]: Abstraction has 4517 states and 6511 transitions. [2021-11-12 23:19:45,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:19:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6511 transitions. [2021-11-12 23:19:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-12 23:19:45,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:45,875 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:46,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:46,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:46,099 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:19:46,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:46,099 INFO L85 PathProgramCache]: Analyzing trace with hash -206289110, now seen corresponding path program 1 times [2021-11-12 23:19:46,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:46,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526679489] [2021-11-12 23:19:46,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:46,110 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:46,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:46,111 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:46,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6091fe-b509-4ae7-974e-634e99a63269/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process