./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur --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 a63a35a997d4cef3a03c29c7166a2a1f9c94c58040c56bbf24b94b5923949bbd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 22:39:51,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:39:51,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:39:52,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:39:52,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:39:52,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:39:52,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:39:52,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:39:52,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:39:52,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:39:52,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:39:52,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:39:52,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:39:52,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:39:52,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:39:52,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:39:52,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:39:52,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:39:52,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:39:52,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:39:52,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:39:52,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:39:52,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:39:52,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:39:52,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:39:52,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:39:52,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:39:52,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:39:52,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:39:52,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:39:52,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:39:52,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:39:52,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:39:52,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:39:52,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:39:52,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:39:52,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:39:52,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:39:52,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:39:52,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:39:52,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:39:52,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:39:52,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:39:52,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:39:52,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:39:52,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:39:52,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:39:52,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:39:52,124 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:39:52,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:39:52,124 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:39:52,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:39:52,125 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:39:52,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:39:52,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:39:52,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:39:52,126 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:39:52,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:39:52,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:39:52,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:39:52,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:39:52,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:39:52,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:39:52,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:39:52,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:39:52,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:39:52,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:39:52,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:39:52,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:39:52,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:39:52,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:39:52,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:39:52,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:39:52,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:39:52,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:39:52,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:39:52,132 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:39:52,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:39:52,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:39:52,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:39:52,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a63a35a997d4cef3a03c29c7166a2a1f9c94c58040c56bbf24b94b5923949bbd [2022-11-25 22:39:52,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:39:52,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:39:52,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:39:52,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:39:52,459 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:39:52,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-25 22:39:55,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:39:56,232 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:39:56,232 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-25 22:39:56,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/data/98b256820/eeb4d28adec64c72b26385bb8c007e29/FLAG249700de0 [2022-11-25 22:39:56,313 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/data/98b256820/eeb4d28adec64c72b26385bb8c007e29 [2022-11-25 22:39:56,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:39:56,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:39:56,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:39:56,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:39:56,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:39:56,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:39:56" (1/1) ... [2022-11-25 22:39:56,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf6cb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:56, skipping insertion in model container [2022-11-25 22:39:56,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:39:56" (1/1) ... [2022-11-25 22:39:56,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:39:56,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:39:57,661 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 22:39:57,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:39:57,924 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:39:57,950 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:39:57,990 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:39:58,045 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:39:58,052 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:39:58,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:39:58,210 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:39:58,276 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-11-25 22:39:58,299 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:39:58,300 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:39:58,308 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,315 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,315 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,326 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,333 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,335 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,344 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,354 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,394 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,412 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,446 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:39:58,465 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:39:58,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,536 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,539 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-11-25 22:39:58,540 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:39:58,546 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,547 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,550 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:39:58,550 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:39:58,551 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,552 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-11-25 22:39:58,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,557 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-11-25 22:39:58,563 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:39:58,570 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 22:39:58,570 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 22:39:58,571 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,576 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:39:58,583 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:39:58,590 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:39:58,595 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:39:58,595 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,597 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:39:58,597 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:39:58,604 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:39:58,610 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,617 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-11-25 22:39:58,619 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:39:58,620 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:39:58,628 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,634 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,635 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,635 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,641 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,642 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,642 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,643 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:39:58,644 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:39:58,644 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,655 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,655 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,656 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,657 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,658 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,659 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,659 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,660 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,666 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-11-25 22:39:58,666 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,667 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,667 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-11-25 22:39:58,673 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,674 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:39:58,674 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-11-25 22:39:58,680 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,682 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,699 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:39:58,705 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:39:58,712 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:39:58,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:39:58,728 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-11-25 22:39:58,729 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,729 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:39:58,730 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:39:58,732 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 22:39:58,732 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,733 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:39:58,733 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,734 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,735 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:39:58,735 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,736 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,737 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,738 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,738 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,739 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:39:58,740 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:39:58,740 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:39:58,740 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,741 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-11-25 22:39:58,747 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:39:58,747 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:39:58,748 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-11-25 22:39:59,021 WARN L623 FunctionHandler]: Unknown extern function can_change_mtu [2022-11-25 22:39:59,052 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,052 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,053 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,053 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,053 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,054 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,054 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,054 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:39:59,055 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 22:39:59,055 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 22:39:59,057 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-11-25 22:39:59,057 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:39:59,058 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:39:59,058 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:39:59,059 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 22:39:59,060 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 22:39:59,061 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:39:59,605 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:39:59,869 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:40:00,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397439,397452] [2022-11-25 22:40:00,573 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397584,397597] [2022-11-25 22:40:00,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397730,397743] [2022-11-25 22:40:00,574 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397895,397908] [2022-11-25 22:40:00,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398053,398066] [2022-11-25 22:40:00,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398211,398224] [2022-11-25 22:40:00,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398369,398382] [2022-11-25 22:40:00,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398529,398542] [2022-11-25 22:40:00,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398688,398701] [2022-11-25 22:40:00,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398827,398840] [2022-11-25 22:40:00,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398969,398982] [2022-11-25 22:40:00,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399118,399131] [2022-11-25 22:40:00,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399257,399270] [2022-11-25 22:40:00,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399412,399425] [2022-11-25 22:40:00,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399572,399585] [2022-11-25 22:40:00,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399723,399736] [2022-11-25 22:40:00,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399874,399887] [2022-11-25 22:40:00,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400026,400039] [2022-11-25 22:40:00,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400175,400188] [2022-11-25 22:40:00,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400323,400336] [2022-11-25 22:40:00,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400480,400493] [2022-11-25 22:40:00,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400629,400642] [2022-11-25 22:40:00,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400785,400798] [2022-11-25 22:40:00,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400938,400951] [2022-11-25 22:40:00,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401084,401097] [2022-11-25 22:40:00,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401227,401240] [2022-11-25 22:40:00,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401379,401392] [2022-11-25 22:40:00,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401525,401538] [2022-11-25 22:40:00,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401670,401683] [2022-11-25 22:40:00,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401824,401837] [2022-11-25 22:40:00,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401975,401988] [2022-11-25 22:40:00,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402130,402143] [2022-11-25 22:40:00,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402282,402295] [2022-11-25 22:40:00,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402437,402450] [2022-11-25 22:40:00,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402601,402614] [2022-11-25 22:40:00,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402757,402770] [2022-11-25 22:40:00,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402921,402934] [2022-11-25 22:40:00,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403063,403076] [2022-11-25 22:40:00,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403221,403234] [2022-11-25 22:40:00,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403388,403401] [2022-11-25 22:40:00,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403547,403560] [2022-11-25 22:40:00,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403706,403719] [2022-11-25 22:40:00,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403855,403868] [2022-11-25 22:40:00,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404002,404015] [2022-11-25 22:40:00,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404141,404154] [2022-11-25 22:40:00,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404304,404317] [2022-11-25 22:40:00,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404470,404483] [2022-11-25 22:40:00,625 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404634,404647] [2022-11-25 22:40:00,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404799,404812] [2022-11-25 22:40:00,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404964,404977] [2022-11-25 22:40:00,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405130,405143] [2022-11-25 22:40:00,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405295,405308] [2022-11-25 22:40:00,627 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405462,405475] [2022-11-25 22:40:00,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405622,405635] [2022-11-25 22:40:00,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405784,405797] [2022-11-25 22:40:00,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405943,405956] [2022-11-25 22:40:00,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406089,406102] [2022-11-25 22:40:00,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406232,406245] [2022-11-25 22:40:00,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406376,406389] [2022-11-25 22:40:00,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406519,406532] [2022-11-25 22:40:00,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406663,406676] [2022-11-25 22:40:00,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406804,406817] [2022-11-25 22:40:00,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406942,406955] [2022-11-25 22:40:00,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407100,407113] [2022-11-25 22:40:00,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407259,407272] [2022-11-25 22:40:00,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407415,407428] [2022-11-25 22:40:00,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407564,407577] [2022-11-25 22:40:00,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407716,407729] [2022-11-25 22:40:00,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407867,407880] [2022-11-25 22:40:00,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408016,408029] [2022-11-25 22:40:00,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408168,408181] [2022-11-25 22:40:00,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408316,408329] [2022-11-25 22:40:00,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408469,408482] [2022-11-25 22:40:00,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408620,408633] [2022-11-25 22:40:00,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408770,408783] [2022-11-25 22:40:00,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408917,408930] [2022-11-25 22:40:00,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409068,409081] [2022-11-25 22:40:00,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409219,409232] [2022-11-25 22:40:00,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409367,409380] [2022-11-25 22:40:00,639 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409533,409546] [2022-11-25 22:40:00,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409702,409715] [2022-11-25 22:40:00,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409869,409882] [2022-11-25 22:40:00,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410037,410050] [2022-11-25 22:40:00,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410187,410200] [2022-11-25 22:40:00,641 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410334,410347] [2022-11-25 22:40:00,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410495,410508] [2022-11-25 22:40:00,642 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410665,410678] [2022-11-25 22:40:00,643 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410827,410840] [2022-11-25 22:40:00,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:40:00,681 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:40:00,814 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 22:40:00,816 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:40:00,820 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:40:00,821 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:40:00,823 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:40:00,825 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:40:00,825 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:40:00,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:40:00,829 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:40:00,830 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-11-25 22:40:00,847 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:40:00,847 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:40:00,848 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:00,849 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:00,849 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:00,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,883 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:00,884 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:00,884 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:00,885 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,886 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:00,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,899 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,903 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:40:00,907 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:40:00,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,927 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,928 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-11-25 22:40:00,929 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:40:00,931 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,932 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,937 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:40:00,937 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:40:00,938 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,940 WARN L623 FunctionHandler]: Unknown extern function alloc_can_err_skb [2022-11-25 22:40:00,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,946 WARN L623 FunctionHandler]: Unknown extern function can_bus_off [2022-11-25 22:40:00,952 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-11-25 22:40:00,954 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 22:40:00,957 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-25 22:40:00,957 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,958 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:40:00,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:40:00,962 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-11-25 22:40:00,962 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-11-25 22:40:00,963 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:00,964 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:40:00,970 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:40:00,972 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:40:00,973 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:00,975 WARN L623 FunctionHandler]: Unknown extern function alloc_can_skb [2022-11-25 22:40:00,977 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:40:00,978 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:40:01,022 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,027 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:01,028 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:01,029 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,030 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,031 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:01,032 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,033 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:40:01,033 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:40:01,040 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,041 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,041 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,042 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,043 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,043 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,044 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,045 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,046 WARN L623 FunctionHandler]: Unknown extern function open_candev [2022-11-25 22:40:01,046 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,047 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,047 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-11-25 22:40:01,048 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,049 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-11-25 22:40:01,049 WARN L623 FunctionHandler]: Unknown extern function close_candev [2022-11-25 22:40:01,050 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,052 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,061 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:40:01,062 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:40:01,064 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:40:01,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-25 22:40:01,069 WARN L623 FunctionHandler]: Unknown extern function alloc_candev [2022-11-25 22:40:01,070 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,071 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:40:01,071 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:40:01,075 WARN L623 FunctionHandler]: Unknown extern function platform_get_irq [2022-11-25 22:40:01,076 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,076 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:40:01,077 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,077 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,080 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-11-25 22:40:01,080 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,081 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,081 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,082 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,083 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,083 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:40:01,085 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 22:40:01,086 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:40:01,086 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,091 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-11-25 22:40:01,092 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:40:01,092 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:40:01,093 WARN L623 FunctionHandler]: Unknown extern function free_candev [2022-11-25 22:40:01,099 WARN L623 FunctionHandler]: Unknown extern function can_change_mtu [2022-11-25 22:40:01,154 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,155 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,155 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,156 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,156 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,156 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:01,157 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 22:40:01,158 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-25 22:40:01,159 WARN L623 FunctionHandler]: Unknown extern function register_candev [2022-11-25 22:40:01,159 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:40:01,160 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:40:01,160 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:40:01,161 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-11-25 22:40:01,161 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-11-25 22:40:01,162 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:40:01,182 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:40:01,194 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:40:01,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397439,397452] [2022-11-25 22:40:01,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397584,397597] [2022-11-25 22:40:01,225 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397730,397743] [2022-11-25 22:40:01,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[397895,397908] [2022-11-25 22:40:01,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398053,398066] [2022-11-25 22:40:01,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398211,398224] [2022-11-25 22:40:01,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398369,398382] [2022-11-25 22:40:01,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398529,398542] [2022-11-25 22:40:01,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398688,398701] [2022-11-25 22:40:01,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398827,398840] [2022-11-25 22:40:01,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[398969,398982] [2022-11-25 22:40:01,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399118,399131] [2022-11-25 22:40:01,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399257,399270] [2022-11-25 22:40:01,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399412,399425] [2022-11-25 22:40:01,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399572,399585] [2022-11-25 22:40:01,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399723,399736] [2022-11-25 22:40:01,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[399874,399887] [2022-11-25 22:40:01,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400026,400039] [2022-11-25 22:40:01,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400175,400188] [2022-11-25 22:40:01,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400323,400336] [2022-11-25 22:40:01,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400480,400493] [2022-11-25 22:40:01,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400629,400642] [2022-11-25 22:40:01,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400785,400798] [2022-11-25 22:40:01,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[400938,400951] [2022-11-25 22:40:01,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401084,401097] [2022-11-25 22:40:01,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401227,401240] [2022-11-25 22:40:01,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401379,401392] [2022-11-25 22:40:01,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401525,401538] [2022-11-25 22:40:01,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401670,401683] [2022-11-25 22:40:01,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401824,401837] [2022-11-25 22:40:01,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[401975,401988] [2022-11-25 22:40:01,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402130,402143] [2022-11-25 22:40:01,282 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402282,402295] [2022-11-25 22:40:01,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402437,402450] [2022-11-25 22:40:01,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402601,402614] [2022-11-25 22:40:01,283 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402757,402770] [2022-11-25 22:40:01,284 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[402921,402934] [2022-11-25 22:40:01,284 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403063,403076] [2022-11-25 22:40:01,285 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403221,403234] [2022-11-25 22:40:01,285 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403388,403401] [2022-11-25 22:40:01,285 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403547,403560] [2022-11-25 22:40:01,286 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403706,403719] [2022-11-25 22:40:01,286 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[403855,403868] [2022-11-25 22:40:01,286 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404002,404015] [2022-11-25 22:40:01,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404141,404154] [2022-11-25 22:40:01,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404304,404317] [2022-11-25 22:40:01,287 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404470,404483] [2022-11-25 22:40:01,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404634,404647] [2022-11-25 22:40:01,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404799,404812] [2022-11-25 22:40:01,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[404964,404977] [2022-11-25 22:40:01,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405130,405143] [2022-11-25 22:40:01,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405295,405308] [2022-11-25 22:40:01,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405462,405475] [2022-11-25 22:40:01,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405622,405635] [2022-11-25 22:40:01,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405784,405797] [2022-11-25 22:40:01,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[405943,405956] [2022-11-25 22:40:01,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406089,406102] [2022-11-25 22:40:01,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406232,406245] [2022-11-25 22:40:01,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406376,406389] [2022-11-25 22:40:01,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406519,406532] [2022-11-25 22:40:01,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406663,406676] [2022-11-25 22:40:01,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406804,406817] [2022-11-25 22:40:01,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[406942,406955] [2022-11-25 22:40:01,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407100,407113] [2022-11-25 22:40:01,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407259,407272] [2022-11-25 22:40:01,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407415,407428] [2022-11-25 22:40:01,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407564,407577] [2022-11-25 22:40:01,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407716,407729] [2022-11-25 22:40:01,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[407867,407880] [2022-11-25 22:40:01,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408016,408029] [2022-11-25 22:40:01,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408168,408181] [2022-11-25 22:40:01,296 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408316,408329] [2022-11-25 22:40:01,296 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408469,408482] [2022-11-25 22:40:01,296 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408620,408633] [2022-11-25 22:40:01,297 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408770,408783] [2022-11-25 22:40:01,297 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[408917,408930] [2022-11-25 22:40:01,297 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409068,409081] [2022-11-25 22:40:01,298 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409219,409232] [2022-11-25 22:40:01,298 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409367,409380] [2022-11-25 22:40:01,298 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409533,409546] [2022-11-25 22:40:01,299 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409702,409715] [2022-11-25 22:40:01,299 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[409869,409882] [2022-11-25 22:40:01,299 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410037,410050] [2022-11-25 22:40:01,300 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410187,410200] [2022-11-25 22:40:01,300 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410334,410347] [2022-11-25 22:40:01,300 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410495,410508] [2022-11-25 22:40:01,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410665,410678] [2022-11-25 22:40:01,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i[410827,410840] [2022-11-25 22:40:01,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:40:01,469 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:40:01,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01 WrapperNode [2022-11-25 22:40:01,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:40:01,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:40:01,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:40:01,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:40:01,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,857 INFO L138 Inliner]: procedures = 641, calls = 2556, calls flagged for inlining = 300, calls inlined = 195, statements flattened = 3270 [2022-11-25 22:40:01,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:40:01,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:40:01,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:40:01,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:40:01,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:01,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:02,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:02,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:40:02,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:40:02,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:40:02,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:40:02,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (1/1) ... [2022-11-25 22:40:02,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:40:02,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:40:02,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:40:02,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:40:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:40:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:40:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_open [2022-11-25 22:40:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_open [2022-11-25 22:40:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:40:02,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:40:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:40:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:40:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 22:40:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 22:40:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:40:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:40:02,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-25 22:40:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-25 22:40:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 22:40:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 22:40:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-25 22:40:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-25 22:40:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:40:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:40:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:40:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:40:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:40:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:40:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_reset_module [2022-11-25 22:40:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_reset_module [2022-11-25 22:40:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_bus_state [2022-11-25 22:40:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_bus_state [2022-11-25 22:40:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:40:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:40:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:40:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:40:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:40:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:40:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-25 22:40:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-25 22:40:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:40:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_buserror [2022-11-25 22:40:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_buserror [2022-11-25 22:40:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:40:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:40:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:40:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:40:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:40:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_remove [2022-11-25 22:40:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_remove [2022-11-25 22:40:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:40:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:40:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:40:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:40:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:40:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:40:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:40:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:40:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:40:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:40:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:40:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:40:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:40:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:40:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:40:02,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:40:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:40:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:40:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_txok [2022-11-25 22:40:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_txok [2022-11-25 22:40:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_termination [2022-11-25 22:40:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_termination [2022-11-25 22:40:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_send_msg [2022-11-25 22:40:02,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_send_msg [2022-11-25 22:40:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_set_page [2022-11-25 22:40:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_set_page [2022-11-25 22:40:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:40:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:40:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:40:02,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:40:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:40:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_send_inquiry [2022-11-25 22:40:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_send_inquiry [2022-11-25 22:40:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:40:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:40:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:40:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:40:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:40:02,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:40:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:40:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:40:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-25 22:40:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-25 22:40:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-25 22:40:02,113 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-25 22:40:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:40:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:40:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:40:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:40:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2022-11-25 22:40:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2022-11-25 22:40:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:40:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:40:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:40:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:40:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:40:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:40:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-25 22:40:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-25 22:40:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:40:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:40:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-25 22:40:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-25 22:40:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_stop [2022-11-25 22:40:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_stop [2022-11-25 22:40:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:40:02,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:40:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:40:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-25 22:40:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:40:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:40:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_127 [2022-11-25 22:40:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_127 [2022-11-25 22:40:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:40:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:40:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:40:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:40:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:40:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:40:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:40:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:40:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-25 22:40:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-25 22:40:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ican3_probe [2022-11-25 22:40:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ican3_probe [2022-11-25 22:40:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:40:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-25 22:40:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-25 22:40:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-25 22:40:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2022-11-25 22:40:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:40:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:40:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:40:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:40:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ican3_dev [2022-11-25 22:40:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ican3_dev [2022-11-25 22:40:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:40:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:40:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2022-11-25 22:40:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2022-11-25 22:40:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 22:40:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 22:40:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:40:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:40:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:40:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:40:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 22:40:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:40:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:40:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:40:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:40:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:40:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:40:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:40:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:40:02,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:40:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:40:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:40:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:40:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:40:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:40:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:40:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:40:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-25 22:40:02,124 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-25 22:40:02,824 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:40:02,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:40:03,071 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:40:06,601 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:40:07,143 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:40:07,144 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:40:07,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:40:07 BoogieIcfgContainer [2022-11-25 22:40:07,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:40:07,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:40:07,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:40:07,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:40:07,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:39:56" (1/3) ... [2022-11-25 22:40:07,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28481b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:40:07, skipping insertion in model container [2022-11-25 22:40:07,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:40:01" (2/3) ... [2022-11-25 22:40:07,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28481b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:40:07, skipping insertion in model container [2022-11-25 22:40:07,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:40:07" (3/3) ... [2022-11-25 22:40:07,157 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--can--janz-ican3.ko.cil.i [2022-11-25 22:40:07,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:40:07,177 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-25 22:40:07,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:40:07,304 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e1ae78e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:40:07,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-11-25 22:40:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 972 states, 557 states have (on average 1.3087971274685817) internal successors, (729), 604 states have internal predecessors, (729), 308 states have call successors, (308), 78 states have call predecessors, (308), 77 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) [2022-11-25 22:40:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 22:40:07,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:07,325 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:07,326 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:07,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2037838205, now seen corresponding path program 1 times [2022-11-25 22:40:07,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:07,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774211081] [2022-11-25 22:40:07,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:07,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:08,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:08,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774211081] [2022-11-25 22:40:08,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774211081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:08,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:08,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:08,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322986361] [2022-11-25 22:40:08,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:08,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:08,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:08,268 INFO L87 Difference]: Start difference. First operand has 972 states, 557 states have (on average 1.3087971274685817) internal successors, (729), 604 states have internal predecessors, (729), 308 states have call successors, (308), 78 states have call predecessors, (308), 77 states have return successors, (302), 302 states have call predecessors, (302), 302 states have call successors, (302) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:40:12,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:15,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:16,226 INFO L93 Difference]: Finished difference Result 2592 states and 3750 transitions. [2022-11-25 22:40:16,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:40:16,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-25 22:40:16,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:16,251 INFO L225 Difference]: With dead ends: 2592 [2022-11-25 22:40:16,252 INFO L226 Difference]: Without dead ends: 1615 [2022-11-25 22:40:16,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:16,272 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 860 mSDsluCounter, 2470 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:16,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 3808 Invalid, 550 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 547 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-25 22:40:16,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2022-11-25 22:40:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1443. [2022-11-25 22:40:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1443 states, 836 states have (on average 1.2488038277511961) internal successors, (1044), 889 states have internal predecessors, (1044), 453 states have call successors, (453), 128 states have call predecessors, (453), 125 states have return successors, (475), 444 states have call predecessors, (475), 451 states have call successors, (475) [2022-11-25 22:40:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1972 transitions. [2022-11-25 22:40:16,436 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1972 transitions. Word has length 47 [2022-11-25 22:40:16,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:16,437 INFO L495 AbstractCegarLoop]: Abstraction has 1443 states and 1972 transitions. [2022-11-25 22:40:16,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:40:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1972 transitions. [2022-11-25 22:40:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 22:40:16,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:16,440 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:16,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:40:16,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1214170979, now seen corresponding path program 1 times [2022-11-25 22:40:16,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:16,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260348075] [2022-11-25 22:40:16,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:16,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:16,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260348075] [2022-11-25 22:40:16,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260348075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:16,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:16,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:16,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634278077] [2022-11-25 22:40:16,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:16,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:16,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:16,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:16,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:16,845 INFO L87 Difference]: Start difference. First operand 1443 states and 1972 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:40:19,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:21,417 INFO L93 Difference]: Finished difference Result 1661 states and 2221 transitions. [2022-11-25 22:40:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:21,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-11-25 22:40:21,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:21,432 INFO L225 Difference]: With dead ends: 1661 [2022-11-25 22:40:21,434 INFO L226 Difference]: Without dead ends: 1659 [2022-11-25 22:40:21,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:21,438 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 832 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 2938 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:21,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 2938 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 22:40:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-11-25 22:40:21,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1650. [2022-11-25 22:40:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1650 states, 949 states have (on average 1.2349841938883035) internal successors, (1172), 1002 states have internal predecessors, (1172), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2212 transitions. [2022-11-25 22:40:21,611 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2212 transitions. Word has length 52 [2022-11-25 22:40:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:21,612 INFO L495 AbstractCegarLoop]: Abstraction has 1650 states and 2212 transitions. [2022-11-25 22:40:21,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:40:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2212 transitions. [2022-11-25 22:40:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 22:40:21,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:21,623 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:21,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:40:21,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:21,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:21,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1618723595, now seen corresponding path program 1 times [2022-11-25 22:40:21,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:21,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213346461] [2022-11-25 22:40:21,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:21,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:21,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:21,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213346461] [2022-11-25 22:40:21,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213346461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:21,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:21,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:21,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248192379] [2022-11-25 22:40:21,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:21,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:21,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:21,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:21,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:21,974 INFO L87 Difference]: Start difference. First operand 1650 states and 2212 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:40:24,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:27,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:27,400 INFO L93 Difference]: Finished difference Result 1659 states and 2219 transitions. [2022-11-25 22:40:27,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:27,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-11-25 22:40:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:27,411 INFO L225 Difference]: With dead ends: 1659 [2022-11-25 22:40:27,411 INFO L226 Difference]: Without dead ends: 1657 [2022-11-25 22:40:27,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:27,414 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 829 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:27,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 2934 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 22:40:27,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2022-11-25 22:40:27,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1648. [2022-11-25 22:40:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 948 states have (on average 1.2341772151898733) internal successors, (1170), 1000 states have internal predecessors, (1170), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2210 transitions. [2022-11-25 22:40:27,549 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2210 transitions. Word has length 57 [2022-11-25 22:40:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:27,552 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 2210 transitions. [2022-11-25 22:40:27,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:40:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2210 transitions. [2022-11-25 22:40:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 22:40:27,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:27,556 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:27,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:40:27,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:27,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:27,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1850119290, now seen corresponding path program 1 times [2022-11-25 22:40:27,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:27,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499447614] [2022-11-25 22:40:27,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:27,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:27,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:27,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499447614] [2022-11-25 22:40:27,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499447614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:27,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:27,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:27,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156073424] [2022-11-25 22:40:27,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:27,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:27,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:27,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:27,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:27,879 INFO L87 Difference]: Start difference. First operand 1648 states and 2210 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:40:30,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:32,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:34,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:34,022 INFO L93 Difference]: Finished difference Result 1657 states and 2217 transitions. [2022-11-25 22:40:34,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:34,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-11-25 22:40:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:34,032 INFO L225 Difference]: With dead ends: 1657 [2022-11-25 22:40:34,032 INFO L226 Difference]: Without dead ends: 1655 [2022-11-25 22:40:34,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:34,034 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 826 mSDsluCounter, 1751 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:34,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 2930 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-25 22:40:34,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2022-11-25 22:40:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1646. [2022-11-25 22:40:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 947 states have (on average 1.2333685322069694) internal successors, (1168), 998 states have internal predecessors, (1168), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:34,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2208 transitions. [2022-11-25 22:40:34,132 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2208 transitions. Word has length 62 [2022-11-25 22:40:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:34,133 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2208 transitions. [2022-11-25 22:40:34,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:40:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2208 transitions. [2022-11-25 22:40:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 22:40:34,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:34,135 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-25 22:40:34,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:40:34,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:34,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:34,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1296024066, now seen corresponding path program 1 times [2022-11-25 22:40:34,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:34,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867367673] [2022-11-25 22:40:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:34,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-25 22:40:34,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:34,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867367673] [2022-11-25 22:40:34,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867367673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:34,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:34,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:40:34,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036439961] [2022-11-25 22:40:34,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:34,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:40:34,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:34,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:40:34,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:34,342 INFO L87 Difference]: Start difference. First operand 1646 states and 2208 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:40:36,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:38,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:38,395 INFO L93 Difference]: Finished difference Result 3279 states and 4391 transitions. [2022-11-25 22:40:38,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:40:38,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2022-11-25 22:40:38,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:38,407 INFO L225 Difference]: With dead ends: 3279 [2022-11-25 22:40:38,407 INFO L226 Difference]: Without dead ends: 1649 [2022-11-25 22:40:38,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:38,417 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 837 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:38,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 1747 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 22:40:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2022-11-25 22:40:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1640. [2022-11-25 22:40:38,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 942 states have (on average 1.2303609341825903) internal successors, (1159), 992 states have internal predecessors, (1159), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2199 transitions. [2022-11-25 22:40:38,576 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2199 transitions. Word has length 72 [2022-11-25 22:40:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:38,577 INFO L495 AbstractCegarLoop]: Abstraction has 1640 states and 2199 transitions. [2022-11-25 22:40:38,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:40:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2199 transitions. [2022-11-25 22:40:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 22:40:38,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:38,579 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:38,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:40:38,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:38,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1498045062, now seen corresponding path program 1 times [2022-11-25 22:40:38,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:38,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249364681] [2022-11-25 22:40:38,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:38,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:38,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:38,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249364681] [2022-11-25 22:40:38,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249364681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:38,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:38,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:38,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116443491] [2022-11-25 22:40:38,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:38,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:38,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:38,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:38,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:38,853 INFO L87 Difference]: Start difference. First operand 1640 states and 2199 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:40:40,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:42,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:43,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:44,557 INFO L93 Difference]: Finished difference Result 1640 states and 2199 transitions. [2022-11-25 22:40:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:44,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-11-25 22:40:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:44,568 INFO L225 Difference]: With dead ends: 1640 [2022-11-25 22:40:44,569 INFO L226 Difference]: Without dead ends: 1638 [2022-11-25 22:40:44,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:44,570 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 1253 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1255 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:44,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1255 Valid, 2194 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-25 22:40:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2022-11-25 22:40:44,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1638. [2022-11-25 22:40:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 941 states have (on average 1.2295430393198725) internal successors, (1157), 990 states have internal predecessors, (1157), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2197 transitions. [2022-11-25 22:40:44,693 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2197 transitions. Word has length 67 [2022-11-25 22:40:44,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:44,695 INFO L495 AbstractCegarLoop]: Abstraction has 1638 states and 2197 transitions. [2022-11-25 22:40:44,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:40:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2197 transitions. [2022-11-25 22:40:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 22:40:44,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:44,697 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-11-25 22:40:44,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:40:44,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:44,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:44,698 INFO L85 PathProgramCache]: Analyzing trace with hash -813896907, now seen corresponding path program 1 times [2022-11-25 22:40:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:44,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291507346] [2022-11-25 22:40:44,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-25 22:40:44,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:44,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291507346] [2022-11-25 22:40:44,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291507346] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:40:44,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646195701] [2022-11-25 22:40:44,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:44,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:40:44,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:40:44,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:40:45,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:40:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:45,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 1499 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:40:45,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:40:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-25 22:40:45,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:40:45,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646195701] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:45,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:40:45,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-25 22:40:45,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151304934] [2022-11-25 22:40:45,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:45,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:40:45,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:45,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:40:45,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:40:45,741 INFO L87 Difference]: Start difference. First operand 1638 states and 2197 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:40:47,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:49,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:50,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:50,563 INFO L93 Difference]: Finished difference Result 3263 states and 4369 transitions. [2022-11-25 22:40:50,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:40:50,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2022-11-25 22:40:50,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:50,574 INFO L225 Difference]: With dead ends: 3263 [2022-11-25 22:40:50,574 INFO L226 Difference]: Without dead ends: 1641 [2022-11-25 22:40:50,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:40:50,582 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 822 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:50,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 1740 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 22:40:50,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2022-11-25 22:40:50,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1632. [2022-11-25 22:40:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 936 states have (on average 1.2264957264957266) internal successors, (1148), 984 states have internal predecessors, (1148), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2188 transitions. [2022-11-25 22:40:50,703 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2188 transitions. Word has length 77 [2022-11-25 22:40:50,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:50,704 INFO L495 AbstractCegarLoop]: Abstraction has 1632 states and 2188 transitions. [2022-11-25 22:40:50,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:40:50,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2188 transitions. [2022-11-25 22:40:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-25 22:40:50,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:50,706 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:50,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:40:50,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-25 22:40:50,915 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:50,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:50,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2056502801, now seen corresponding path program 1 times [2022-11-25 22:40:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:50,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129575484] [2022-11-25 22:40:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:51,184 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:51,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129575484] [2022-11-25 22:40:51,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129575484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:51,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:51,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:51,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842234105] [2022-11-25 22:40:51,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:51,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:51,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:51,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:51,187 INFO L87 Difference]: Start difference. First operand 1632 states and 2188 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:40:53,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:54,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:55,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:55,583 INFO L93 Difference]: Finished difference Result 1641 states and 2195 transitions. [2022-11-25 22:40:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:40:55,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-11-25 22:40:55,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:55,592 INFO L225 Difference]: With dead ends: 1641 [2022-11-25 22:40:55,593 INFO L226 Difference]: Without dead ends: 1639 [2022-11-25 22:40:55,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:55,595 INFO L413 NwaCegarLoop]: 1165 mSDtfsCounter, 810 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:55,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 2902 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 22:40:55,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2022-11-25 22:40:55,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1630. [2022-11-25 22:40:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 935 states have (on average 1.2256684491978609) internal successors, (1146), 982 states have internal predecessors, (1146), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:40:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2186 transitions. [2022-11-25 22:40:55,723 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2186 transitions. Word has length 72 [2022-11-25 22:40:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:55,724 INFO L495 AbstractCegarLoop]: Abstraction has 1630 states and 2186 transitions. [2022-11-25 22:40:55,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:40:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2186 transitions. [2022-11-25 22:40:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-25 22:40:55,732 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:55,733 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:40:55,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:40:55,733 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:40:55,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:55,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1250312158, now seen corresponding path program 1 times [2022-11-25 22:40:55,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:55,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655948233] [2022-11-25 22:40:55,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:40:56,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:56,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655948233] [2022-11-25 22:40:56,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655948233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:56,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:56,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:40:56,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417701865] [2022-11-25 22:40:56,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:56,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:40:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:40:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:40:56,046 INFO L87 Difference]: Start difference. First operand 1630 states and 2186 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:40:58,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:01,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:01,787 INFO L93 Difference]: Finished difference Result 1639 states and 2193 transitions. [2022-11-25 22:41:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:01,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-11-25 22:41:01,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:01,797 INFO L225 Difference]: With dead ends: 1639 [2022-11-25 22:41:01,797 INFO L226 Difference]: Without dead ends: 1637 [2022-11-25 22:41:01,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:01,799 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 807 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 2898 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:01,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 2898 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 22:41:01,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2022-11-25 22:41:01,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1628. [2022-11-25 22:41:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 934 states have (on average 1.2248394004282654) internal successors, (1144), 980 states have internal predecessors, (1144), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:41:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2184 transitions. [2022-11-25 22:41:01,996 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2184 transitions. Word has length 77 [2022-11-25 22:41:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:01,997 INFO L495 AbstractCegarLoop]: Abstraction has 1628 states and 2184 transitions. [2022-11-25 22:41:01,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:41:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2184 transitions. [2022-11-25 22:41:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 22:41:02,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:02,001 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:41:02,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:41:02,001 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:02,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:02,002 INFO L85 PathProgramCache]: Analyzing trace with hash -943571171, now seen corresponding path program 1 times [2022-11-25 22:41:02,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:02,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828225276] [2022-11-25 22:41:02,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:02,272 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:02,272 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:02,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828225276] [2022-11-25 22:41:02,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828225276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:02,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:02,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:02,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283559781] [2022-11-25 22:41:02,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:02,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:02,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:02,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:02,275 INFO L87 Difference]: Start difference. First operand 1628 states and 2184 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:41:03,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:05,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:07,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:07,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:07,790 INFO L93 Difference]: Finished difference Result 1628 states and 2184 transitions. [2022-11-25 22:41:07,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:07,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-11-25 22:41:07,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:07,800 INFO L225 Difference]: With dead ends: 1628 [2022-11-25 22:41:07,801 INFO L226 Difference]: Without dead ends: 1626 [2022-11-25 22:41:07,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:07,803 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 1243 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 2168 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:07,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 2168 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 22:41:07,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2022-11-25 22:41:07,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1626. [2022-11-25 22:41:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 933 states have (on average 1.2240085744908895) internal successors, (1142), 978 states have internal predecessors, (1142), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:41:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2182 transitions. [2022-11-25 22:41:07,987 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2182 transitions. Word has length 82 [2022-11-25 22:41:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:07,987 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2182 transitions. [2022-11-25 22:41:07,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:41:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2182 transitions. [2022-11-25 22:41:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 22:41:07,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:07,989 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:41:07,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:41:07,990 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash -533658368, now seen corresponding path program 1 times [2022-11-25 22:41:07,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:07,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106755910] [2022-11-25 22:41:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:07,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:08,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:08,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106755910] [2022-11-25 22:41:08,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106755910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:08,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:08,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:08,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025770227] [2022-11-25 22:41:08,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:08,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:08,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:08,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:08,257 INFO L87 Difference]: Start difference. First operand 1626 states and 2182 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:41:10,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:12,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:13,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:14,229 INFO L93 Difference]: Finished difference Result 1635 states and 2189 transitions. [2022-11-25 22:41:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:14,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-11-25 22:41:14,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:14,238 INFO L225 Difference]: With dead ends: 1635 [2022-11-25 22:41:14,238 INFO L226 Difference]: Without dead ends: 1633 [2022-11-25 22:41:14,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:14,240 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 800 mSDsluCounter, 1731 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:14,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 2890 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 22:41:14,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2022-11-25 22:41:14,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1624. [2022-11-25 22:41:14,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 932 states have (on average 1.2231759656652361) internal successors, (1140), 976 states have internal predecessors, (1140), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:41:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2180 transitions. [2022-11-25 22:41:14,387 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2180 transitions. Word has length 84 [2022-11-25 22:41:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:14,387 INFO L495 AbstractCegarLoop]: Abstraction has 1624 states and 2180 transitions. [2022-11-25 22:41:14,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:41:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2180 transitions. [2022-11-25 22:41:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 22:41:14,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:14,389 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:41:14,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:41:14,390 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:14,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:14,390 INFO L85 PathProgramCache]: Analyzing trace with hash 462428900, now seen corresponding path program 1 times [2022-11-25 22:41:14,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:14,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313761725] [2022-11-25 22:41:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:14,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:14,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:14,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313761725] [2022-11-25 22:41:14,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313761725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:14,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:14,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:14,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280441846] [2022-11-25 22:41:14,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:14,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:14,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:14,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:14,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:14,640 INFO L87 Difference]: Start difference. First operand 1624 states and 2180 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:41:15,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:17,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:19,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:20,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:20,715 INFO L93 Difference]: Finished difference Result 1624 states and 2180 transitions. [2022-11-25 22:41:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-11-25 22:41:20,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:20,724 INFO L225 Difference]: With dead ends: 1624 [2022-11-25 22:41:20,724 INFO L226 Difference]: Without dead ends: 1622 [2022-11-25 22:41:20,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:20,726 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1234 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:20,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 2164 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:41:20,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2022-11-25 22:41:20,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1622. [2022-11-25 22:41:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 931 states have (on average 1.22234156820623) internal successors, (1138), 974 states have internal predecessors, (1138), 508 states have call successors, (508), 167 states have call predecessors, (508), 165 states have return successors, (532), 499 states have call predecessors, (532), 506 states have call successors, (532) [2022-11-25 22:41:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2178 transitions. [2022-11-25 22:41:20,912 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2178 transitions. Word has length 89 [2022-11-25 22:41:20,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:20,913 INFO L495 AbstractCegarLoop]: Abstraction has 1622 states and 2178 transitions. [2022-11-25 22:41:20,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:41:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2178 transitions. [2022-11-25 22:41:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 22:41:20,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:20,915 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 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] [2022-11-25 22:41:20,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:41:20,916 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:20,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:20,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1782350922, now seen corresponding path program 1 times [2022-11-25 22:41:20,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:20,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480366688] [2022-11-25 22:41:20,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:20,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-25 22:41:21,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:21,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480366688] [2022-11-25 22:41:21,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480366688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:21,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:21,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:41:21,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111974308] [2022-11-25 22:41:21,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:21,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:41:21,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:41:21,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:21,432 INFO L87 Difference]: Start difference. First operand 1622 states and 2178 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:41:23,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:25,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:26,943 INFO L93 Difference]: Finished difference Result 2542 states and 3575 transitions. [2022-11-25 22:41:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:41:26,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 109 [2022-11-25 22:41:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:26,957 INFO L225 Difference]: With dead ends: 2542 [2022-11-25 22:41:26,957 INFO L226 Difference]: Without dead ends: 2540 [2022-11-25 22:41:26,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:41:26,959 INFO L413 NwaCegarLoop]: 1537 mSDtfsCounter, 928 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 5547 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:26,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 5547 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 863 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 22:41:26,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2022-11-25 22:41:27,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 2355. [2022-11-25 22:41:27,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 1365 states have (on average 1.2373626373626374) internal successors, (1689), 1436 states have internal predecessors, (1689), 740 states have call successors, (740), 250 states have call predecessors, (740), 232 states have return successors, (935), 694 states have call predecessors, (935), 738 states have call successors, (935) [2022-11-25 22:41:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3364 transitions. [2022-11-25 22:41:27,219 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3364 transitions. Word has length 109 [2022-11-25 22:41:27,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:27,219 INFO L495 AbstractCegarLoop]: Abstraction has 2355 states and 3364 transitions. [2022-11-25 22:41:27,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:41:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3364 transitions. [2022-11-25 22:41:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-25 22:41:27,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:27,221 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:27,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:41:27,222 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:27,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1810553917, now seen corresponding path program 1 times [2022-11-25 22:41:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:27,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587362707] [2022-11-25 22:41:27,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:27,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:27,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:27,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587362707] [2022-11-25 22:41:27,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587362707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:27,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:27,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:27,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812529230] [2022-11-25 22:41:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:27,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:27,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:27,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:27,474 INFO L87 Difference]: Start difference. First operand 2355 states and 3364 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:41:29,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:33,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:33,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:33,595 INFO L93 Difference]: Finished difference Result 2364 states and 3371 transitions. [2022-11-25 22:41:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:33,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-11-25 22:41:33,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:33,608 INFO L225 Difference]: With dead ends: 2364 [2022-11-25 22:41:33,609 INFO L226 Difference]: Without dead ends: 2362 [2022-11-25 22:41:33,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:33,610 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 796 mSDsluCounter, 1727 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:33,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 2882 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-25 22:41:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-11-25 22:41:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2356. [2022-11-25 22:41:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 1366 states have (on average 1.2364568081991216) internal successors, (1689), 1436 states have internal predecessors, (1689), 740 states have call successors, (740), 250 states have call predecessors, (740), 233 states have return successors, (937), 694 states have call predecessors, (937), 738 states have call successors, (937) [2022-11-25 22:41:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3366 transitions. [2022-11-25 22:41:33,902 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3366 transitions. Word has length 94 [2022-11-25 22:41:33,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:33,905 INFO L495 AbstractCegarLoop]: Abstraction has 2356 states and 3366 transitions. [2022-11-25 22:41:33,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:41:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3366 transitions. [2022-11-25 22:41:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-25 22:41:33,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:33,908 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:33,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:41:33,909 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:33,909 INFO L85 PathProgramCache]: Analyzing trace with hash -464345088, now seen corresponding path program 1 times [2022-11-25 22:41:33,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:33,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943908796] [2022-11-25 22:41:33,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:33,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:34,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:34,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943908796] [2022-11-25 22:41:34,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943908796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:34,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:34,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:34,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921412461] [2022-11-25 22:41:34,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:34,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:34,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:34,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:34,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:34,181 INFO L87 Difference]: Start difference. First operand 2356 states and 3366 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:41:36,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:39,283 INFO L93 Difference]: Finished difference Result 2362 states and 3369 transitions. [2022-11-25 22:41:39,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:39,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-11-25 22:41:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:39,295 INFO L225 Difference]: With dead ends: 2362 [2022-11-25 22:41:39,296 INFO L226 Difference]: Without dead ends: 2360 [2022-11-25 22:41:39,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:39,298 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 793 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:39,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 2878 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 22:41:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2022-11-25 22:41:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2354. [2022-11-25 22:41:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 1365 states have (on average 1.235897435897436) internal successors, (1687), 1434 states have internal predecessors, (1687), 740 states have call successors, (740), 250 states have call predecessors, (740), 233 states have return successors, (937), 694 states have call predecessors, (937), 738 states have call successors, (937) [2022-11-25 22:41:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 3364 transitions. [2022-11-25 22:41:39,605 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 3364 transitions. Word has length 99 [2022-11-25 22:41:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:39,605 INFO L495 AbstractCegarLoop]: Abstraction has 2354 states and 3364 transitions. [2022-11-25 22:41:39,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:41:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 3364 transitions. [2022-11-25 22:41:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 22:41:39,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:39,608 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:39,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:41:39,608 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:39,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1922968231, now seen corresponding path program 1 times [2022-11-25 22:41:39,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:39,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890554028] [2022-11-25 22:41:39,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:39,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:39,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:39,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890554028] [2022-11-25 22:41:39,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890554028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:39,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:39,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:39,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570570410] [2022-11-25 22:41:39,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:39,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:39,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:39,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:39,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:39,861 INFO L87 Difference]: Start difference. First operand 2354 states and 3364 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:41:41,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:42,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:44,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:44,705 INFO L93 Difference]: Finished difference Result 2354 states and 3364 transitions. [2022-11-25 22:41:44,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:44,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-11-25 22:41:44,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:44,720 INFO L225 Difference]: With dead ends: 2354 [2022-11-25 22:41:44,720 INFO L226 Difference]: Without dead ends: 2352 [2022-11-25 22:41:44,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:44,723 INFO L413 NwaCegarLoop]: 1076 mSDtfsCounter, 1225 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:44,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 2152 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-25 22:41:44,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2022-11-25 22:41:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2352. [2022-11-25 22:41:45,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2352 states, 1364 states have (on average 1.2353372434017595) internal successors, (1685), 1432 states have internal predecessors, (1685), 740 states have call successors, (740), 250 states have call predecessors, (740), 233 states have return successors, (937), 694 states have call predecessors, (937), 738 states have call successors, (937) [2022-11-25 22:41:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3362 transitions. [2022-11-25 22:41:45,035 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3362 transitions. Word has length 104 [2022-11-25 22:41:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:45,037 INFO L495 AbstractCegarLoop]: Abstraction has 2352 states and 3362 transitions. [2022-11-25 22:41:45,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 22:41:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3362 transitions. [2022-11-25 22:41:45,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 22:41:45,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:45,040 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:45,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 22:41:45,040 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:45,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1006796648, now seen corresponding path program 1 times [2022-11-25 22:41:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:45,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342428871] [2022-11-25 22:41:45,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:45,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:45,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:45,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342428871] [2022-11-25 22:41:45,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342428871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:45,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:45,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:45,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131507167] [2022-11-25 22:41:45,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:45,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:45,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:45,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:45,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:45,312 INFO L87 Difference]: Start difference. First operand 2352 states and 3362 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:41:47,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:50,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:50,296 INFO L93 Difference]: Finished difference Result 2358 states and 3365 transitions. [2022-11-25 22:41:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:50,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-11-25 22:41:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:50,308 INFO L225 Difference]: With dead ends: 2358 [2022-11-25 22:41:50,308 INFO L226 Difference]: Without dead ends: 2356 [2022-11-25 22:41:50,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:50,310 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 787 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:50,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2870 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 22:41:50,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2022-11-25 22:41:50,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2350. [2022-11-25 22:41:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2350 states, 1363 states have (on average 1.2347762289068231) internal successors, (1683), 1430 states have internal predecessors, (1683), 740 states have call successors, (740), 250 states have call predecessors, (740), 233 states have return successors, (937), 694 states have call predecessors, (937), 738 states have call successors, (937) [2022-11-25 22:41:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3360 transitions. [2022-11-25 22:41:50,665 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3360 transitions. Word has length 109 [2022-11-25 22:41:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:50,666 INFO L495 AbstractCegarLoop]: Abstraction has 2350 states and 3360 transitions. [2022-11-25 22:41:50,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 22:41:50,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3360 transitions. [2022-11-25 22:41:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-25 22:41:50,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:50,669 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:50,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 22:41:50,672 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:50,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash -559215931, now seen corresponding path program 1 times [2022-11-25 22:41:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:50,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613008388] [2022-11-25 22:41:50,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:50,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:50,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:50,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613008388] [2022-11-25 22:41:50,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613008388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:50,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:50,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:50,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678049312] [2022-11-25 22:41:50,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:50,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:50,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:50,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:50,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:50,963 INFO L87 Difference]: Start difference. First operand 2350 states and 3360 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:41:53,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:55,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:41:55,055 INFO L93 Difference]: Finished difference Result 2350 states and 3360 transitions. [2022-11-25 22:41:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:41:55,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-11-25 22:41:55,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:41:55,068 INFO L225 Difference]: With dead ends: 2350 [2022-11-25 22:41:55,068 INFO L226 Difference]: Without dead ends: 2348 [2022-11-25 22:41:55,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:41:55,070 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 1219 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:41:55,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 2144 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-25 22:41:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2022-11-25 22:41:55,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 2348. [2022-11-25 22:41:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2348 states, 1362 states have (on average 1.2342143906020557) internal successors, (1681), 1428 states have internal predecessors, (1681), 740 states have call successors, (740), 250 states have call predecessors, (740), 233 states have return successors, (937), 694 states have call predecessors, (937), 738 states have call successors, (937) [2022-11-25 22:41:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3358 transitions. [2022-11-25 22:41:55,480 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3358 transitions. Word has length 114 [2022-11-25 22:41:55,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:41:55,481 INFO L495 AbstractCegarLoop]: Abstraction has 2348 states and 3358 transitions. [2022-11-25 22:41:55,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 22:41:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3358 transitions. [2022-11-25 22:41:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-25 22:41:55,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:41:55,485 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:41:55,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 22:41:55,486 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:41:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:41:55,486 INFO L85 PathProgramCache]: Analyzing trace with hash 433949842, now seen corresponding path program 1 times [2022-11-25 22:41:55,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:41:55,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482040930] [2022-11-25 22:41:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:41:55,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:41:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:41:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:41:56,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:41:56,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482040930] [2022-11-25 22:41:56,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482040930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:41:56,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:41:56,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:41:56,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615876339] [2022-11-25 22:41:56,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:41:56,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:41:56,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:41:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:41:56,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:41:56,072 INFO L87 Difference]: Start difference. First operand 2348 states and 3358 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:41:57,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:41:59,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:02,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:02,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:02,346 INFO L93 Difference]: Finished difference Result 2587 states and 3652 transitions. [2022-11-25 22:42:02,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:02,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-11-25 22:42:02,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:02,356 INFO L225 Difference]: With dead ends: 2587 [2022-11-25 22:42:02,356 INFO L226 Difference]: Without dead ends: 2585 [2022-11-25 22:42:02,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:02,359 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 1161 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:02,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 2563 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-25 22:42:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2022-11-25 22:42:02,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2547. [2022-11-25 22:42:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2547 states, 1476 states have (on average 1.231029810298103) internal successors, (1817), 1542 states have internal predecessors, (1817), 795 states have call successors, (795), 281 states have call predecessors, (795), 264 states have return successors, (992), 748 states have call predecessors, (992), 793 states have call successors, (992) [2022-11-25 22:42:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2547 states and 3604 transitions. [2022-11-25 22:42:02,823 INFO L78 Accepts]: Start accepts. Automaton has 2547 states and 3604 transitions. Word has length 119 [2022-11-25 22:42:02,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:02,824 INFO L495 AbstractCegarLoop]: Abstraction has 2547 states and 3604 transitions. [2022-11-25 22:42:02,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 22:42:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 3604 transitions. [2022-11-25 22:42:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-25 22:42:02,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:02,827 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:02,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 22:42:02,828 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:02,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1127536101, now seen corresponding path program 1 times [2022-11-25 22:42:02,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:02,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709371307] [2022-11-25 22:42:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:02,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:42:03,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:03,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709371307] [2022-11-25 22:42:03,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709371307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:03,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:03,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:42:03,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349578246] [2022-11-25 22:42:03,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:03,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:42:03,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:03,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:42:03,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:42:03,092 INFO L87 Difference]: Start difference. First operand 2547 states and 3604 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 22:42:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:09,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:11,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:11,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:11,570 INFO L93 Difference]: Finished difference Result 2553 states and 3607 transitions. [2022-11-25 22:42:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:11,571 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-11-25 22:42:11,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:11,580 INFO L225 Difference]: With dead ends: 2553 [2022-11-25 22:42:11,580 INFO L226 Difference]: Without dead ends: 2551 [2022-11-25 22:42:11,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:11,583 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 778 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 2858 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:11,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 2858 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 3 Unknown, 0 Unchecked, 8.1s Time] [2022-11-25 22:42:11,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2022-11-25 22:42:11,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2545. [2022-11-25 22:42:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 1475 states have (on average 1.230508474576271) internal successors, (1815), 1540 states have internal predecessors, (1815), 795 states have call successors, (795), 281 states have call predecessors, (795), 264 states have return successors, (992), 748 states have call predecessors, (992), 793 states have call successors, (992) [2022-11-25 22:42:11,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3602 transitions. [2022-11-25 22:42:11,992 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3602 transitions. Word has length 124 [2022-11-25 22:42:11,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:11,993 INFO L495 AbstractCegarLoop]: Abstraction has 2545 states and 3602 transitions. [2022-11-25 22:42:11,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 22:42:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3602 transitions. [2022-11-25 22:42:11,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-25 22:42:11,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:11,997 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:11,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 22:42:11,997 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:11,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:11,998 INFO L85 PathProgramCache]: Analyzing trace with hash 265356388, now seen corresponding path program 1 times [2022-11-25 22:42:11,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:11,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273149345] [2022-11-25 22:42:11,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:11,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:42:12,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:12,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273149345] [2022-11-25 22:42:12,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273149345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:12,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:12,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:42:12,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675325155] [2022-11-25 22:42:12,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:12,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:42:12,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:12,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:42:12,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:42:12,249 INFO L87 Difference]: Start difference. First operand 2545 states and 3602 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:42:13,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:15,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:17,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:17,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:17,933 INFO L93 Difference]: Finished difference Result 2545 states and 3602 transitions. [2022-11-25 22:42:17,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:17,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-25 22:42:17,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:17,941 INFO L225 Difference]: With dead ends: 2545 [2022-11-25 22:42:17,941 INFO L226 Difference]: Without dead ends: 2543 [2022-11-25 22:42:17,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:17,943 INFO L413 NwaCegarLoop]: 1066 mSDtfsCounter, 1210 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:17,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 2132 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 356 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 22:42:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2022-11-25 22:42:18,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2543. [2022-11-25 22:42:18,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 1474 states have (on average 1.2299864314789688) internal successors, (1813), 1538 states have internal predecessors, (1813), 795 states have call successors, (795), 281 states have call predecessors, (795), 264 states have return successors, (992), 748 states have call predecessors, (992), 793 states have call successors, (992) [2022-11-25 22:42:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 3600 transitions. [2022-11-25 22:42:18,236 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 3600 transitions. Word has length 129 [2022-11-25 22:42:18,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:18,237 INFO L495 AbstractCegarLoop]: Abstraction has 2543 states and 3600 transitions. [2022-11-25 22:42:18,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:42:18,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3600 transitions. [2022-11-25 22:42:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-25 22:42:18,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:18,241 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:18,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 22:42:18,242 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:18,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:18,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1007892377, now seen corresponding path program 1 times [2022-11-25 22:42:18,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:18,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093065153] [2022-11-25 22:42:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-25 22:42:18,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:18,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093065153] [2022-11-25 22:42:18,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093065153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:18,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:18,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:42:18,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350041348] [2022-11-25 22:42:18,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:18,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:18,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:18,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:18,704 INFO L87 Difference]: Start difference. First operand 2543 states and 3600 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 22:42:20,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:23,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:23,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:23,814 INFO L93 Difference]: Finished difference Result 2612 states and 3663 transitions. [2022-11-25 22:42:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:42:23,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 167 [2022-11-25 22:42:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:23,830 INFO L225 Difference]: With dead ends: 2612 [2022-11-25 22:42:23,830 INFO L226 Difference]: Without dead ends: 2610 [2022-11-25 22:42:23,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:42:23,834 INFO L413 NwaCegarLoop]: 1075 mSDtfsCounter, 173 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 4164 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:23,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 4164 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 708 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2022-11-25 22:42:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2610 states. [2022-11-25 22:42:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2610 to 2609. [2022-11-25 22:42:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 1512 states have (on average 1.2248677248677249) internal successors, (1852), 1576 states have internal predecessors, (1852), 804 states have call successors, (804), 301 states have call predecessors, (804), 283 states have return successors, (1001), 756 states have call predecessors, (1001), 802 states have call successors, (1001) [2022-11-25 22:42:24,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3657 transitions. [2022-11-25 22:42:24,296 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3657 transitions. Word has length 167 [2022-11-25 22:42:24,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:24,297 INFO L495 AbstractCegarLoop]: Abstraction has 2609 states and 3657 transitions. [2022-11-25 22:42:24,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 22:42:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3657 transitions. [2022-11-25 22:42:24,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-25 22:42:24,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:24,302 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:24,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 22:42:24,302 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:24,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1543206865, now seen corresponding path program 1 times [2022-11-25 22:42:24,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:24,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939624031] [2022-11-25 22:42:24,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:42:24,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:24,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939624031] [2022-11-25 22:42:24,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939624031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:24,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:24,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:42:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993311968] [2022-11-25 22:42:24,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:24,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:42:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:24,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:42:24,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:42:24,621 INFO L87 Difference]: Start difference. First operand 2609 states and 3657 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:42:26,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:29,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:29,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:29,557 INFO L93 Difference]: Finished difference Result 2613 states and 3659 transitions. [2022-11-25 22:42:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-25 22:42:29,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:29,567 INFO L225 Difference]: With dead ends: 2613 [2022-11-25 22:42:29,568 INFO L226 Difference]: Without dead ends: 2611 [2022-11-25 22:42:29,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:29,570 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 770 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:29,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 2850 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 22:42:29,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2022-11-25 22:42:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2607. [2022-11-25 22:42:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2607 states, 1511 states have (on average 1.2243547319655856) internal successors, (1850), 1574 states have internal predecessors, (1850), 804 states have call successors, (804), 301 states have call predecessors, (804), 283 states have return successors, (1001), 756 states have call predecessors, (1001), 802 states have call successors, (1001) [2022-11-25 22:42:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 3655 transitions. [2022-11-25 22:42:29,846 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 3655 transitions. Word has length 134 [2022-11-25 22:42:29,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:29,846 INFO L495 AbstractCegarLoop]: Abstraction has 2607 states and 3655 transitions. [2022-11-25 22:42:29,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:42:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3655 transitions. [2022-11-25 22:42:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-25 22:42:29,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:29,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:29,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 22:42:29,851 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:29,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:29,852 INFO L85 PathProgramCache]: Analyzing trace with hash 628672639, now seen corresponding path program 1 times [2022-11-25 22:42:29,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:29,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517330728] [2022-11-25 22:42:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:42:30,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:30,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517330728] [2022-11-25 22:42:30,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517330728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:30,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:30,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:42:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871424362] [2022-11-25 22:42:30,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:30,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:42:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:30,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:42:30,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:42:30,170 INFO L87 Difference]: Start difference. First operand 2607 states and 3655 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:42:32,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:34,673 INFO L93 Difference]: Finished difference Result 2611 states and 3657 transitions. [2022-11-25 22:42:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:34,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-11-25 22:42:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:34,688 INFO L225 Difference]: With dead ends: 2611 [2022-11-25 22:42:34,707 INFO L226 Difference]: Without dead ends: 2609 [2022-11-25 22:42:34,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:34,710 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 767 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:34,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [771 Valid, 2846 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 22:42:34,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2022-11-25 22:42:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2605. [2022-11-25 22:42:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2605 states, 1510 states have (on average 1.223841059602649) internal successors, (1848), 1572 states have internal predecessors, (1848), 804 states have call successors, (804), 301 states have call predecessors, (804), 283 states have return successors, (1001), 756 states have call predecessors, (1001), 802 states have call successors, (1001) [2022-11-25 22:42:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3653 transitions. [2022-11-25 22:42:35,209 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3653 transitions. Word has length 139 [2022-11-25 22:42:35,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:35,209 INFO L495 AbstractCegarLoop]: Abstraction has 2605 states and 3653 transitions. [2022-11-25 22:42:35,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:42:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3653 transitions. [2022-11-25 22:42:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-25 22:42:35,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:35,216 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:35,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 22:42:35,217 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:35,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:35,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1605004182, now seen corresponding path program 1 times [2022-11-25 22:42:35,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:35,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926004373] [2022-11-25 22:42:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:42:35,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:35,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926004373] [2022-11-25 22:42:35,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926004373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:35,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:35,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:42:35,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120884652] [2022-11-25 22:42:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:35,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:42:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:35,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:42:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:42:35,495 INFO L87 Difference]: Start difference. First operand 2605 states and 3653 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 22:42:37,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:39,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:41,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:41,148 INFO L93 Difference]: Finished difference Result 2609 states and 3655 transitions. [2022-11-25 22:42:41,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:42:41,148 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-11-25 22:42:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:41,161 INFO L225 Difference]: With dead ends: 2609 [2022-11-25 22:42:41,161 INFO L226 Difference]: Without dead ends: 2481 [2022-11-25 22:42:41,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:41,165 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 764 mSDsluCounter, 1708 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:41,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 2844 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 22:42:41,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2481 states. [2022-11-25 22:42:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2481 to 2477. [2022-11-25 22:42:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1445 states have (on average 1.2290657439446366) internal successors, (1776), 1503 states have internal predecessors, (1776), 762 states have call successors, (762), 281 states have call predecessors, (762), 263 states have return successors, (959), 717 states have call predecessors, (959), 760 states have call successors, (959) [2022-11-25 22:42:41,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3497 transitions. [2022-11-25 22:42:41,574 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3497 transitions. Word has length 144 [2022-11-25 22:42:41,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:41,574 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3497 transitions. [2022-11-25 22:42:41,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 22:42:41,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3497 transitions. [2022-11-25 22:42:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 22:42:41,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:41,579 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 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, 1] [2022-11-25 22:42:41,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 22:42:41,579 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:41,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash -206197639, now seen corresponding path program 1 times [2022-11-25 22:42:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375669311] [2022-11-25 22:42:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:41,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:42,394 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-25 22:42:42,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:42,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375669311] [2022-11-25 22:42:42,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375669311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:42:42,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899217481] [2022-11-25 22:42:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:42,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:42:42,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:42:42,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:42:42,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:42:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:43,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-25 22:42:43,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:42:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-25 22:42:43,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:42:43,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899217481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:43,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:42:43,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-25 22:42:43,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398014662] [2022-11-25 22:42:43,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:43,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:42:43,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:43,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:42:43,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:43,418 INFO L87 Difference]: Start difference. First operand 2477 states and 3497 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:42:45,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:48,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:42:49,077 INFO L93 Difference]: Finished difference Result 4926 states and 7186 transitions. [2022-11-25 22:42:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:42:49,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 156 [2022-11-25 22:42:49,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:42:49,090 INFO L225 Difference]: With dead ends: 4926 [2022-11-25 22:42:49,091 INFO L226 Difference]: Without dead ends: 2511 [2022-11-25 22:42:49,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:42:49,111 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 3 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:42:49,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3782 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 644 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 22:42:49,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2022-11-25 22:42:49,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2493. [2022-11-25 22:42:49,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 1457 states have (on average 1.2271791352093342) internal successors, (1788), 1515 states have internal predecessors, (1788), 762 states have call successors, (762), 281 states have call predecessors, (762), 267 states have return successors, (963), 721 states have call predecessors, (963), 760 states have call successors, (963) [2022-11-25 22:42:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3513 transitions. [2022-11-25 22:42:49,497 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3513 transitions. Word has length 156 [2022-11-25 22:42:49,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:42:49,497 INFO L495 AbstractCegarLoop]: Abstraction has 2493 states and 3513 transitions. [2022-11-25 22:42:49,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:42:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3513 transitions. [2022-11-25 22:42:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-25 22:42:49,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:42:49,502 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:42:49,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:42:49,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-25 22:42:49,714 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:42:49,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:42:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash 724850161, now seen corresponding path program 1 times [2022-11-25 22:42:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:42:49,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102974796] [2022-11-25 22:42:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:42:49,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:42:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:42:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-25 22:42:50,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:42:50,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102974796] [2022-11-25 22:42:50,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102974796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:42:50,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:42:50,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:42:50,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991573072] [2022-11-25 22:42:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:42:50,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:42:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:42:50,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:42:50,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:42:50,201 INFO L87 Difference]: Start difference. First operand 2493 states and 3513 transitions. Second operand has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 22:42:52,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:54,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:56,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:58,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:42:59,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:00,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:02,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:04,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:05,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:05,134 INFO L93 Difference]: Finished difference Result 2873 states and 4007 transitions. [2022-11-25 22:43:05,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 22:43:05,135 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 166 [2022-11-25 22:43:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:05,146 INFO L225 Difference]: With dead ends: 2873 [2022-11-25 22:43:05,147 INFO L226 Difference]: Without dead ends: 2557 [2022-11-25 22:43:05,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:43:05,150 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 18 mSDsluCounter, 6799 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7776 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:05,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7776 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1341 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-25 22:43:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2022-11-25 22:43:05,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2509. [2022-11-25 22:43:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2509 states, 1467 states have (on average 1.225630538513974) internal successors, (1798), 1525 states have internal predecessors, (1798), 764 states have call successors, (764), 281 states have call predecessors, (764), 271 states have return successors, (987), 727 states have call predecessors, (987), 762 states have call successors, (987) [2022-11-25 22:43:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2509 states and 3549 transitions. [2022-11-25 22:43:05,619 INFO L78 Accepts]: Start accepts. Automaton has 2509 states and 3549 transitions. Word has length 166 [2022-11-25 22:43:05,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:05,620 INFO L495 AbstractCegarLoop]: Abstraction has 2509 states and 3549 transitions. [2022-11-25 22:43:05,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 22:43:05,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 3549 transitions. [2022-11-25 22:43:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-25 22:43:05,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:05,625 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:43:05,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 22:43:05,625 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:43:05,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:05,626 INFO L85 PathProgramCache]: Analyzing trace with hash 626198590, now seen corresponding path program 1 times [2022-11-25 22:43:05,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:05,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352313123] [2022-11-25 22:43:05,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:05,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-25 22:43:06,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:06,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352313123] [2022-11-25 22:43:06,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352313123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:06,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:43:06,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 22:43:06,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897747196] [2022-11-25 22:43:06,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:06,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 22:43:06,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:06,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 22:43:06,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:43:06,164 INFO L87 Difference]: Start difference. First operand 2509 states and 3549 transitions. Second operand has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:43:08,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:10,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:12,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:15,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:17,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:19,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:22,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:24,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:26,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:28,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:28,833 INFO L93 Difference]: Finished difference Result 2905 states and 4063 transitions. [2022-11-25 22:43:28,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 22:43:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 171 [2022-11-25 22:43:28,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:28,845 INFO L225 Difference]: With dead ends: 2905 [2022-11-25 22:43:28,846 INFO L226 Difference]: Without dead ends: 2573 [2022-11-25 22:43:28,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:43:28,849 INFO L413 NwaCegarLoop]: 977 mSDtfsCounter, 18 mSDsluCounter, 6796 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7773 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:28,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7773 Invalid, 1371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1364 Invalid, 6 Unknown, 0 Unchecked, 22.2s Time] [2022-11-25 22:43:28,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2573 states. [2022-11-25 22:43:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2573 to 2511. [2022-11-25 22:43:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 1469 states have (on average 1.2253233492171545) internal successors, (1800), 1527 states have internal predecessors, (1800), 764 states have call successors, (764), 281 states have call predecessors, (764), 271 states have return successors, (987), 727 states have call predecessors, (987), 762 states have call successors, (987) [2022-11-25 22:43:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 3551 transitions. [2022-11-25 22:43:29,348 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 3551 transitions. Word has length 171 [2022-11-25 22:43:29,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:29,349 INFO L495 AbstractCegarLoop]: Abstraction has 2511 states and 3551 transitions. [2022-11-25 22:43:29,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:43:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 3551 transitions. [2022-11-25 22:43:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-25 22:43:29,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:29,355 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:43:29,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 22:43:29,355 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:43:29,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:29,356 INFO L85 PathProgramCache]: Analyzing trace with hash 239522363, now seen corresponding path program 1 times [2022-11-25 22:43:29,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:29,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235015790] [2022-11-25 22:43:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:29,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-25 22:43:30,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:30,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235015790] [2022-11-25 22:43:30,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235015790] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:43:30,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464560241] [2022-11-25 22:43:30,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:30,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:43:30,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:43:30,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:43:30,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:43:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:31,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-25 22:43:31,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:43:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-25 22:43:31,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:43:31,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464560241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:31,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:43:31,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2022-11-25 22:43:31,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839234911] [2022-11-25 22:43:31,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:31,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:43:31,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:43:31,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:43:31,837 INFO L87 Difference]: Start difference. First operand 2511 states and 3551 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 22:43:33,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:36,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:38,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:40,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:43,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:44,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:43:44,504 INFO L93 Difference]: Finished difference Result 4200 states and 6029 transitions. [2022-11-25 22:43:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:43:44,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) Word has length 169 [2022-11-25 22:43:44,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:43:44,514 INFO L225 Difference]: With dead ends: 4200 [2022-11-25 22:43:44,514 INFO L226 Difference]: Without dead ends: 2521 [2022-11-25 22:43:44,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:43:44,526 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 0 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5654 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:43:44,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5654 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 973 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-11-25 22:43:44,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-11-25 22:43:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2519. [2022-11-25 22:43:44,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1474 states have (on average 1.2245590230664858) internal successors, (1805), 1533 states have internal predecessors, (1805), 764 states have call successors, (764), 281 states have call predecessors, (764), 274 states have return successors, (994), 729 states have call predecessors, (994), 762 states have call successors, (994) [2022-11-25 22:43:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3563 transitions. [2022-11-25 22:43:44,951 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3563 transitions. Word has length 169 [2022-11-25 22:43:44,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:43:44,952 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3563 transitions. [2022-11-25 22:43:44,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (30), 4 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 22:43:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3563 transitions. [2022-11-25 22:43:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-25 22:43:44,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:43:44,959 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2022-11-25 22:43:44,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:43:45,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-25 22:43:45,180 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:43:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:43:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash -859366263, now seen corresponding path program 2 times [2022-11-25 22:43:45,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:43:45,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136066617] [2022-11-25 22:43:45,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:43:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:43:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:43:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-25 22:43:46,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:43:46,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136066617] [2022-11-25 22:43:46,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136066617] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:43:46,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524089298] [2022-11-25 22:43:46,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:43:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:43:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:43:46,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:43:46,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:43:47,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 22:43:47,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:43:47,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 1852 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 22:43:47,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:43:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-11-25 22:43:47,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:43:47,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524089298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:43:47,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:43:47,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-25 22:43:47,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349237667] [2022-11-25 22:43:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:43:47,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:43:47,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:43:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:43:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:43:47,615 INFO L87 Difference]: Start difference. First operand 2519 states and 3563 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 22:43:50,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:52,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:53,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:55,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:43:57,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:01,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:03,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:04,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:06,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:08,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:09,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:44:09,029 INFO L93 Difference]: Finished difference Result 4249 states and 6094 transitions. [2022-11-25 22:44:09,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:44:09,030 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 182 [2022-11-25 22:44:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:44:09,041 INFO L225 Difference]: With dead ends: 4249 [2022-11-25 22:44:09,041 INFO L226 Difference]: Without dead ends: 2537 [2022-11-25 22:44:09,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:44:09,052 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 3 mSDsluCounter, 4731 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5681 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:44:09,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5681 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 975 Invalid, 6 Unknown, 0 Unchecked, 21.0s Time] [2022-11-25 22:44:09,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2022-11-25 22:44:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2531. [2022-11-25 22:44:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 1482 states have (on average 1.2233468286099864) internal successors, (1813), 1540 states have internal predecessors, (1813), 765 states have call successors, (765), 281 states have call predecessors, (765), 277 states have return successors, (1002), 734 states have call predecessors, (1002), 763 states have call successors, (1002) [2022-11-25 22:44:09,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3580 transitions. [2022-11-25 22:44:09,553 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3580 transitions. Word has length 182 [2022-11-25 22:44:09,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:44:09,554 INFO L495 AbstractCegarLoop]: Abstraction has 2531 states and 3580 transitions. [2022-11-25 22:44:09,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-25 22:44:09,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3580 transitions. [2022-11-25 22:44:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-25 22:44:09,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:44:09,560 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:44:09,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:44:09,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:09,772 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:44:09,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:44:09,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1337822609, now seen corresponding path program 1 times [2022-11-25 22:44:09,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:44:09,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923416822] [2022-11-25 22:44:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:44:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-11-25 22:44:10,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:44:10,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923416822] [2022-11-25 22:44:10,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923416822] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:44:10,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257842673] [2022-11-25 22:44:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:10,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:10,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:44:10,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:44:10,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:44:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:11,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2791 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-25 22:44:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:44:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 4 proven. 88 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-25 22:44:12,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:44:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-11-25 22:44:13,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257842673] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 22:44:13,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:44:13,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 13] total 18 [2022-11-25 22:44:13,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727612907] [2022-11-25 22:44:13,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:44:13,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:44:13,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:44:13,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:44:13,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2022-11-25 22:44:13,389 INFO L87 Difference]: Start difference. First operand 2531 states and 3580 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (43), 5 states have call predecessors, (43), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-11-25 22:44:16,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:17,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:19,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:21,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:23,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:44:26,514 INFO L93 Difference]: Finished difference Result 2531 states and 3580 transitions. [2022-11-25 22:44:26,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:44:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (43), 5 states have call predecessors, (43), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 228 [2022-11-25 22:44:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:44:26,522 INFO L225 Difference]: With dead ends: 2531 [2022-11-25 22:44:26,522 INFO L226 Difference]: Without dead ends: 2529 [2022-11-25 22:44:26,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-25 22:44:26,524 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 900 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 55 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:44:26,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 2886 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1130 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-25 22:44:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2022-11-25 22:44:26,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2529. [2022-11-25 22:44:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2529 states, 1481 states have (on average 1.2214719783929777) internal successors, (1809), 1538 states have internal predecessors, (1809), 765 states have call successors, (765), 281 states have call predecessors, (765), 277 states have return successors, (1002), 734 states have call predecessors, (1002), 763 states have call successors, (1002) [2022-11-25 22:44:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3576 transitions. [2022-11-25 22:44:26,852 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3576 transitions. Word has length 228 [2022-11-25 22:44:26,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:44:26,853 INFO L495 AbstractCegarLoop]: Abstraction has 2529 states and 3576 transitions. [2022-11-25 22:44:26,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (43), 5 states have call predecessors, (43), 3 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2022-11-25 22:44:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3576 transitions. [2022-11-25 22:44:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-25 22:44:26,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:44:26,859 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:44:26,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:44:27,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:27,072 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:44:27,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:44:27,073 INFO L85 PathProgramCache]: Analyzing trace with hash -537971445, now seen corresponding path program 1 times [2022-11-25 22:44:27,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:44:27,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879889951] [2022-11-25 22:44:27,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:27,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:44:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-25 22:44:27,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:44:27,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879889951] [2022-11-25 22:44:27,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879889951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:44:27,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:44:27,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:44:27,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221301730] [2022-11-25 22:44:27,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:44:27,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:44:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:44:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:44:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:44:27,547 INFO L87 Difference]: Start difference. First operand 2529 states and 3576 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-25 22:44:29,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:31,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:44:32,295 INFO L93 Difference]: Finished difference Result 4942 states and 7193 transitions. [2022-11-25 22:44:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:44:32,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 204 [2022-11-25 22:44:32,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:44:32,307 INFO L225 Difference]: With dead ends: 4942 [2022-11-25 22:44:32,307 INFO L226 Difference]: Without dead ends: 2538 [2022-11-25 22:44:32,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:44:32,321 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 1 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:44:32,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2813 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 492 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 22:44:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2022-11-25 22:44:32,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2538. [2022-11-25 22:44:32,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2538 states, 1490 states have (on average 1.2201342281879195) internal successors, (1818), 1547 states have internal predecessors, (1818), 765 states have call successors, (765), 281 states have call predecessors, (765), 277 states have return successors, (1002), 734 states have call predecessors, (1002), 763 states have call successors, (1002) [2022-11-25 22:44:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2538 states and 3585 transitions. [2022-11-25 22:44:32,673 INFO L78 Accepts]: Start accepts. Automaton has 2538 states and 3585 transitions. Word has length 204 [2022-11-25 22:44:32,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:44:32,674 INFO L495 AbstractCegarLoop]: Abstraction has 2538 states and 3585 transitions. [2022-11-25 22:44:32,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-25 22:44:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3585 transitions. [2022-11-25 22:44:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-25 22:44:32,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:44:32,680 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:44:32,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-25 22:44:32,680 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_sched_completion__wait_without_initErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:44:32,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:44:32,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2095887069, now seen corresponding path program 1 times [2022-11-25 22:44:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:44:32,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425106698] [2022-11-25 22:44:32,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:32,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:44:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-25 22:44:33,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:44:33,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425106698] [2022-11-25 22:44:33,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425106698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:44:33,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429203551] [2022-11-25 22:44:33,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:33,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:33,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:44:33,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:44:33,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:44:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:34,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 2144 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 22:44:34,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:44:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-25 22:44:34,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:44:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-25 22:44:34,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429203551] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 22:44:34,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-25 22:44:34,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 8] total 13 [2022-11-25 22:44:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036475385] [2022-11-25 22:44:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:44:34,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:44:34,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:44:34,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:44:34,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-25 22:44:34,769 INFO L87 Difference]: Start difference. First operand 2538 states and 3585 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 22:44:36,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:39,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:40,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:42,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:44,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:46,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:44:48,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:44:48,242 INFO L93 Difference]: Finished difference Result 4969 states and 7295 transitions. [2022-11-25 22:44:48,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:44:48,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 205 [2022-11-25 22:44:48,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:44:48,256 INFO L225 Difference]: With dead ends: 4969 [2022-11-25 22:44:48,257 INFO L226 Difference]: Without dead ends: 2569 [2022-11-25 22:44:48,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-25 22:44:48,270 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 2 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4607 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:44:48,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4607 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 895 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2022-11-25 22:44:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2022-11-25 22:44:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2568. [2022-11-25 22:44:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2568 states, 1508 states have (on average 1.2208222811671088) internal successors, (1841), 1569 states have internal predecessors, (1841), 769 states have call successors, (769), 285 states have call predecessors, (769), 285 states have return successors, (1014), 738 states have call predecessors, (1014), 767 states have call successors, (1014) [2022-11-25 22:44:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2568 states and 3624 transitions. [2022-11-25 22:44:48,714 INFO L78 Accepts]: Start accepts. Automaton has 2568 states and 3624 transitions. Word has length 205 [2022-11-25 22:44:48,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:44:48,714 INFO L495 AbstractCegarLoop]: Abstraction has 2568 states and 3624 transitions. [2022-11-25 22:44:48,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 22:44:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 3624 transitions. [2022-11-25 22:44:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-25 22:44:48,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:44:48,722 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2022-11-25 22:44:48,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 22:44:48,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:48,933 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2022-11-25 22:44:48,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:44:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1603466985, now seen corresponding path program 3 times [2022-11-25 22:44:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:44:48,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803058053] [2022-11-25 22:44:48,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:44:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:44:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:44:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-25 22:44:53,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:44:53,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803058053] [2022-11-25 22:44:53,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803058053] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:44:53,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629248380] [2022-11-25 22:44:53,019 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:44:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:44:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:44:53,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:44:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e70e4744-b1a2-4c67-89d4-bda37a793d0f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 22:44:54,821 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:44:54,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:44:54,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 2458 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-25 22:44:54,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:44:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 123 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-11-25 22:44:55,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:44:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-25 22:44:55,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629248380] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:44:55,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1254105840] [2022-11-25 22:44:55,912 INFO L159 IcfgInterpreter]: Started Sifa with 102 locations of interest [2022-11-25 22:44:55,912 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:44:55,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:44:55,922 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:44:55,922 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:45:21,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:45:21,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:45:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,900 INFO L217 Elim1Store]: Index analysis took 191 ms [2022-11-25 22:45:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:28,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:45:29,065 INFO L321 Elim1Store]: treesize reduction 76, result has 34.5 percent of original size [2022-11-25 22:45:29,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 2166 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 5 case distinctions, treesize of input 839 treesize of output 1118 [2022-11-25 22:45:29,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,732 INFO L217 Elim1Store]: Index analysis took 178 ms [2022-11-25 22:45:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:29,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:45:29,917 INFO L321 Elim1Store]: treesize reduction 60, result has 48.3 percent of original size [2022-11-25 22:45:29,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 93 select indices, 93 select index equivalence classes, 2166 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 5 case distinctions, treesize of input 839 treesize of output 1134 [2022-11-25 22:45:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:45:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:45:30,642 INFO L321 Elim1Store]: treesize reduction 48, result has 41.5 percent of original size [2022-11-25 22:45:30,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 39 select indices, 39 select index equivalence classes, 345 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 3 case distinctions, treesize of input 359 treesize of output 473 [2022-11-25 22:45:30,963 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-25 22:45:31,478 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-25 22:45:56,150 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-25 22:46:04,227 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_usb_register_reset_error_counter with input of size 237 for LOIs [2022-11-25 22:46:04,275 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_net_register_reset_error_counter with input of size 238 for LOIs [2022-11-25 22:46:04,321 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 241 for LOIs [2022-11-25 22:46:04,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:46:04,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:46:08,314 INFO L197 IcfgInterpreter]: Interpreting procedure ican3_probe with input of size 261 for LOIs [2022-11-25 22:46:09,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 43 [2022-11-25 22:46:09,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:09,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 22:46:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:09,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2022-11-25 22:46:09,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:09,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 43 [2022-11-25 22:46:09,933 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:46:09,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 22:46:09,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 22:46:10,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:10,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 29 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:11,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 43 [2022-11-25 22:46:11,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:11,339 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:46:11,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 22:46:11,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 23 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:11,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 22:46:11,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:46:11,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:46:12,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 17 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 43 [2022-11-25 22:46:12,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:12,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 22:46:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:12,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2022-11-25 22:46:12,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:12,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2022-11-25 22:46:15,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:46:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 847 treesize of output 847 [2022-11-25 22:46:15,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 695 treesize of output 689 [2022-11-25 22:46:15,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:15,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 34 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 531 treesize of output 531 [2022-11-25 22:46:15,707 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:46:15,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 341 treesize of output 333 [2022-11-25 22:46:17,355 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:46:17,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 57 [2022-11-25 22:46:17,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2022-11-25 22:46:17,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 58 [2022-11-25 22:46:17,643 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:46:17,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 28 [2022-11-25 22:46:17,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-25 22:46:17,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-11-25 22:46:17,798 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 22:46:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 34 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 847 treesize of output 847 [2022-11-25 22:46:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 22 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 695 treesize of output 689 [2022-11-25 22:46:18,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:46:18,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:18,940 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 531 treesize of output 531 [2022-11-25 22:46:19,065 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 22:46:19,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 341 treesize of output 333 [2022-11-25 22:46:20,170 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:46:20,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 32 [2022-11-25 22:46:20,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 22:46:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2022-11-25 22:46:20,544 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:46:20,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 49 [2022-11-25 22:46:20,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-25 22:46:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-25 22:46:20,846 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-25 22:46:20,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 49 [2022-11-25 22:46:20,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-25 22:46:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:20,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2022-11-25 22:46:24,750 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-25 22:46:24,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 998 treesize of output 1000 [2022-11-25 22:46:25,713 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:46:25,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1003 treesize of output 1003 [2022-11-25 22:46:27,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:27,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 51 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1881 treesize of output 1745 [2022-11-25 22:46:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:46:28,719 INFO L190 IndexEqualityManager]: detected not equals via solver