./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/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_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 161acb090810893f5857465330b1e9af98cd436d8b1ab4337fc3709fda2d3260 --- 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 [2022-11-26 00:05:23,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:05:23,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:05:23,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:05:23,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:05:23,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:05:23,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:05:23,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:05:23,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:05:23,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:05:23,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:05:23,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:05:23,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:05:23,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:05:23,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:05:23,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:05:23,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:05:23,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:05:23,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:05:23,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:05:23,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:05:23,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:05:23,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:05:23,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:05:23,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:05:23,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:05:23,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:05:23,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:05:23,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:05:23,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:05:23,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:05:23,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:05:23,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:05:23,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:05:23,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:05:23,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:05:23,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:05:23,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:05:23,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:05:23,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:05:23,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:05:23,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:05:23,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:05:23,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:05:23,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:05:23,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:05:23,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:05:23,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:05:23,578 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:05:23,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:05:23,579 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:05:23,579 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:05:23,579 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:05:23,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:05:23,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:05:23,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:05:23,581 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:05:23,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:05:23,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:05:23,582 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:05:23,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:05:23,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:05:23,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:05:23,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:05:23,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:05:23,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:05:23,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:05:23,585 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:05:23,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:05:23,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:05:23,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:05:23,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:05:23,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:05:23,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:05:23,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:05:23,588 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:05:23,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:05:23,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:05:23,589 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:05:23,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:05:23,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:05:23,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:05:23,590 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_46eb9821-6d32-4e19-86ba-f578643867e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161acb090810893f5857465330b1e9af98cd436d8b1ab4337fc3709fda2d3260 [2022-11-26 00:05:23,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:05:23,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:05:23,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:05:23,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:05:23,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:05:23,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2022-11-26 00:05:27,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:05:27,994 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:05:27,995 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2022-11-26 00:05:28,037 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/data/6c12f442a/d177bb522dc64aa6ab81a8df11986d52/FLAGb296f53a8 [2022-11-26 00:05:28,052 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/data/6c12f442a/d177bb522dc64aa6ab81a8df11986d52 [2022-11-26 00:05:28,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:05:28,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:05:28,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:05:28,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:05:28,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:05:28,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:28" (1/1) ... [2022-11-26 00:05:28,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc49917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:28, skipping insertion in model container [2022-11-26 00:05:28,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:28" (1/1) ... [2022-11-26 00:05:28,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:05:28,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:05:28,766 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2022-11-26 00:05:28,932 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:05:29,080 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:05:29,081 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:05:29,360 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:29,435 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_46eb9821-6d32-4e19-86ba-f578643867e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2022-11-26 00:05:29,550 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:05:29,577 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:05:29,583 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:05:29,594 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:05:29,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,698 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,763 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:05:29,777 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:05:29,778 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,782 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:05:29,789 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,790 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:05:29,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,794 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:29,800 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:05:29,837 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:05:29,838 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:29,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,862 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,865 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,873 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-26 00:05:29,873 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-26 00:05:29,884 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,896 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:29,897 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,903 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,904 WARN L623 FunctionHandler]: Unknown extern function vmalloc_32 [2022-11-26 00:05:29,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,915 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:05:29,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,924 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:05:29,924 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:29,930 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-11-26 00:05:29,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,966 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,981 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:05:29,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:29,992 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:05:30,003 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,009 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-11-26 00:05:30,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,013 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-11-26 00:05:30,021 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:05:30,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,034 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:05:30,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,045 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:05:30,147 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,150 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,178 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:05:30,179 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-26 00:05:30,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:30,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:30,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,186 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-26 00:05:30,188 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_open [2022-11-26 00:05:30,189 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:05:30,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,196 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,197 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,198 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,202 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:05:30,203 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,203 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,204 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-11-26 00:05:30,210 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:30,213 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:30,223 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:30,239 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,246 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,262 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,274 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,288 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,289 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:30,292 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,343 WARN L623 FunctionHandler]: Unknown extern function vmalloc_to_page [2022-11-26 00:05:30,343 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-11-26 00:05:30,344 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,355 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,356 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,364 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:05:30,365 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:05:30,366 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:05:30,367 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:05:30,368 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,372 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:30,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,379 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,390 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,393 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,395 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,400 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,401 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:05:30,402 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:30,403 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,410 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-26 00:05:30,410 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-26 00:05:30,411 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,426 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,429 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-26 00:05:30,443 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:05:30,444 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:05:30,445 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:05:30,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,450 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:05:30,450 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:05:30,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:30,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:30,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,457 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:30,458 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:05:30,459 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:30,459 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_disconnect [2022-11-26 00:05:30,460 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:05:30,460 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,460 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_put [2022-11-26 00:05:30,462 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:30,463 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,464 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:30,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:30,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,500 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:05:30,502 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-11-26 00:05:30,503 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_1 [2022-11-26 00:05:30,507 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:05:30,507 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:05:30,511 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:05:30,517 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:05:30,543 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,544 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,545 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,550 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:30,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:30,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,553 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,554 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,555 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:30,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,561 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:30,562 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:30,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,574 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,584 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,625 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,626 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-26 00:05:30,642 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,643 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,647 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,655 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,656 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:05:30,752 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:05:30,877 WARN L1266 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4482] [2022-11-26 00:05:30,891 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:05:30,893 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:05:30,893 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:05:30,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:30,903 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_46eb9821-6d32-4e19-86ba-f578643867e5/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i[155153,155166] [2022-11-26 00:05:30,912 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-11-26 00:05:30,915 WARN L623 FunctionHandler]: Unknown extern function dev_get_drvdata [2022-11-26 00:05:30,916 WARN L623 FunctionHandler]: Unknown extern function dev_set_drvdata [2022-11-26 00:05:30,918 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-11-26 00:05:30,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,940 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-11-26 00:05:30,942 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-11-26 00:05:30,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,944 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-11-26 00:05:30,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,951 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:05:30,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:30,953 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:30,955 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:05:31,013 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:05:31,014 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:31,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,053 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-26 00:05:31,053 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-26 00:05:31,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,057 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:31,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,076 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,077 WARN L623 FunctionHandler]: Unknown extern function vmalloc_32 [2022-11-26 00:05:31,078 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,081 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-26 00:05:31,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,083 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:05:31,083 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-11-26 00:05:31,084 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-11-26 00:05:31,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,118 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-11-26 00:05:31,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,125 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-11-26 00:05:31,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,153 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-11-26 00:05:31,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,155 WARN L623 FunctionHandler]: Unknown extern function usb_clear_halt [2022-11-26 00:05:31,182 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:05:31,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,185 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-26 00:05:31,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,200 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-11-26 00:05:31,236 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,238 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,246 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:05:31,246 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-11-26 00:05:31,247 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:31,247 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:31,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,248 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-11-26 00:05:31,248 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_open [2022-11-26 00:05:31,249 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:05:31,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,250 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,250 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,251 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,251 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-11-26 00:05:31,252 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,252 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,252 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,253 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-11-26 00:05:31,253 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:31,254 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:31,256 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-26 00:05:31,257 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,263 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,263 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,266 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,270 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,272 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,274 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:31,276 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,304 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,306 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,308 WARN L623 FunctionHandler]: Unknown extern function vmalloc_to_page [2022-11-26 00:05:31,308 WARN L623 FunctionHandler]: Unknown extern function vm_insert_page [2022-11-26 00:05:31,309 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,311 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,311 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,313 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,313 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,314 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-11-26 00:05:31,315 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:05:31,317 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:05:31,318 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:05:31,318 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,322 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:31,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,330 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,333 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,337 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,339 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-11-26 00:05:31,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-11-26 00:05:31,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,344 WARN L623 FunctionHandler]: Unknown extern function ktime_get [2022-11-26 00:05:31,344 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-26 00:05:31,345 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,347 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,355 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,366 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-11-26 00:05:31,394 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:05:31,395 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:05:31,395 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:05:31,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,414 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:05:31,416 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-11-26 00:05:31,416 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:31,417 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:05:31,426 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,427 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:31,431 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-11-26 00:05:31,437 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:05:31,438 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_disconnect [2022-11-26 00:05:31,438 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-11-26 00:05:31,438 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,438 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_put [2022-11-26 00:05:31,439 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:31,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,497 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-26 00:05:31,503 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:05:31,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,510 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:05:31,511 WARN L623 FunctionHandler]: Unknown extern function video_device_release_empty [2022-11-26 00:05:31,511 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_1 [2022-11-26 00:05:31,514 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:05:31,514 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-11-26 00:05:31,515 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-11-26 00:05:31,519 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-11-26 00:05:31,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,523 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,526 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:31,527 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:31,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,528 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,529 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,529 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_g_ctrl [2022-11-26 00:05:31,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,533 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:31,533 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_s_ctrl [2022-11-26 00:05:31,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-26 00:05:31,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,538 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,541 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,542 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-26 00:05:31,544 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,547 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,548 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,548 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:05:31,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:05:31,625 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:05:31,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31 WrapperNode [2022-11-26 00:05:31,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:05:31,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:05:31,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:05:31,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:05:31,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:31,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:31,939 INFO L138 Inliner]: procedures = 242, calls = 2944, calls flagged for inlining = 95, calls inlined = 71, statements flattened = 4117 [2022-11-26 00:05:31,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:05:31,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:05:31,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:05:31,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:05:31,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:31,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:31,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:05:32,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:05:32,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:05:32,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:05:32,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (1/1) ... [2022-11-26 00:05:32,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:05:32,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:32,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:05:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:05:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-26 00:05:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-26 00:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2022-11-26 00:05:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2022-11-26 00:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2022-11-26 00:05:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2022-11-26 00:05:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:05:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:05:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:05:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:05:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-26 00:05:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-26 00:05:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-26 00:05:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-26 00:05:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2022-11-26 00:05:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2022-11-26 00:05:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2022-11-26 00:05:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2022-11-26 00:05:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2022-11-26 00:05:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2022-11-26 00:05:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:05:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:05:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2022-11-26 00:05:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2022-11-26 00:05:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-11-26 00:05:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-11-26 00:05:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:05:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:05:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-26 00:05:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-26 00:05:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2022-11-26 00:05:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2022-11-26 00:05:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2022-11-26 00:05:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2022-11-26 00:05:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure dev_poll [2022-11-26 00:05:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_poll [2022-11-26 00:05:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-26 00:05:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-26 00:05:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-26 00:05:32,336 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-26 00:05:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2022-11-26 00:05:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2022-11-26 00:05:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:05:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:05:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:05:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:05:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2022-11-26 00:05:32,337 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2022-11-26 00:05:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-26 00:05:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-26 00:05:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:05:32,338 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:05:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:05:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:05:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:05:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:05:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2022-11-26 00:05:32,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2022-11-26 00:05:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure bulk_irq [2022-11-26 00:05:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bulk_irq [2022-11-26 00:05:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-26 00:05:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-26 00:05:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-11-26 00:05:32,340 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-11-26 00:05:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2022-11-26 00:05:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2022-11-26 00:05:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:05:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-26 00:05:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-26 00:05:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-26 00:05:32,341 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-26 00:05:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:05:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-11-26 00:05:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-11-26 00:05:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:05:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-11-26 00:05:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-11-26 00:05:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_and_submit_int_urb [2022-11-26 00:05:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_and_submit_int_urb [2022-11-26 00:05:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-26 00:05:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-26 00:05:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-26 00:05:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-26 00:05:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-26 00:05:32,343 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-26 00:05:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2022-11-26 00:05:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2022-11-26 00:05:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2022-11-26 00:05:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2022-11-26 00:05:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:05:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:05:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure fill_frame [2022-11-26 00:05:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_frame [2022-11-26 00:05:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2022-11-26 00:05:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2022-11-26 00:05:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2022-11-26 00:05:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2022-11-26 00:05:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-26 00:05:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-26 00:05:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:05:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-26 00:05:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-26 00:05:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure isoc_irq [2022-11-26 00:05:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isoc_irq [2022-11-26 00:05:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-26 00:05:32,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-26 00:05:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2022-11-26 00:05:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2022-11-26 00:05:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2022-11-26 00:05:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2022-11-26 00:05:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-26 00:05:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-26 00:05:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-11-26 00:05:32,347 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2022-11-26 00:05:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:05:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2022-11-26 00:05:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2022-11-26 00:05:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_8 [2022-11-26 00:05:32,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_8 [2022-11-26 00:05:32,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-11-26 00:05:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-11-26 00:05:32,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2022-11-26 00:05:32,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2022-11-26 00:05:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2022-11-26 00:05:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2022-11-26 00:05:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:05:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:05:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:05:32,350 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-26 00:05:32,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-26 00:05:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-26 00:05:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-26 00:05:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-26 00:05:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-26 00:05:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-26 00:05:32,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-26 00:05:32,351 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:05:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:05:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:05:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:05:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:05:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:05:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-26 00:05:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:05:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2022-11-26 00:05:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2022-11-26 00:05:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:05:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-26 00:05:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-26 00:05:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:05:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:05:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:05:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:05:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2022-11-26 00:05:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2022-11-26 00:05:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:05:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:05:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:05:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:05:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-26 00:05:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-26 00:05:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2022-11-26 00:05:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2022-11-26 00:05:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2022-11-26 00:05:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2022-11-26 00:05:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:05:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:05:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-26 00:05:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-26 00:05:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:05:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:05:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-26 00:05:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-26 00:05:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-26 00:05:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-26 00:05:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:05:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:05:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-26 00:05:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2022-11-26 00:05:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2022-11-26 00:05:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:05:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:05:33,447 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:05:33,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:05:33,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:05:35,440 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-26 00:05:38,135 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:05:39,636 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:05:39,637 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:05:39,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:39 BoogieIcfgContainer [2022-11-26 00:05:39,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:05:39,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:05:39,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:05:39,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:05:39,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:28" (1/3) ... [2022-11-26 00:05:39,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44280a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:39, skipping insertion in model container [2022-11-26 00:05:39,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:31" (2/3) ... [2022-11-26 00:05:39,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44280a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:39, skipping insertion in model container [2022-11-26 00:05:39,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:39" (3/3) ... [2022-11-26 00:05:39,661 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--gspca--gspca_main.ko-entry_point.cil.out.i [2022-11-26 00:05:39,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:05:39,687 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 100 error locations. [2022-11-26 00:05:39,803 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:05:39,814 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;@ae5adb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:05:39,814 INFO L358 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2022-11-26 00:05:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 1306 states, 838 states have (on average 1.4797136038186158) internal successors, (1240), 965 states have internal predecessors, (1240), 287 states have call successors, (287), 82 states have call predecessors, (287), 80 states have return successors, (280), 274 states have call predecessors, (280), 280 states have call successors, (280) [2022-11-26 00:05:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-26 00:05:39,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:39,886 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 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] [2022-11-26 00:05:39,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting gspca_vm_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:05:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash -655807714, now seen corresponding path program 1 times [2022-11-26 00:05:39,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:39,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531451862] [2022-11-26 00:05:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 3123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3123 trivial. 0 not checked. [2022-11-26 00:05:41,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:41,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531451862] [2022-11-26 00:05:41,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531451862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:41,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:41,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:05:41,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9871376] [2022-11-26 00:05:41,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:41,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:05:41,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:05:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:05:41,233 INFO L87 Difference]: Start difference. First operand has 1306 states, 838 states have (on average 1.4797136038186158) internal successors, (1240), 965 states have internal predecessors, (1240), 287 states have call successors, (287), 82 states have call predecessors, (287), 80 states have return successors, (280), 274 states have call predecessors, (280), 280 states have call successors, (280) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-26 00:05:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:44,399 INFO L93 Difference]: Finished difference Result 3717 states and 5142 transitions. [2022-11-26 00:05:44,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:05:44,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2022-11-26 00:05:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:44,432 INFO L225 Difference]: With dead ends: 3717 [2022-11-26 00:05:44,432 INFO L226 Difference]: Without dead ends: 2451 [2022-11-26 00:05:44,445 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 [2022-11-26 00:05:44,448 INFO L413 NwaCegarLoop]: 1837 mSDtfsCounter, 1764 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 3312 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:44,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 3312 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:05:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2022-11-26 00:05:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2358. [2022-11-26 00:05:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 1601 states have (on average 1.4728294815740162) internal successors, (2358), 1725 states have internal predecessors, (2358), 505 states have call successors, (505), 158 states have call predecessors, (505), 158 states have return successors, (505), 492 states have call predecessors, (505), 505 states have call successors, (505) [2022-11-26 00:05:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 3368 transitions. [2022-11-26 00:05:44,681 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 3368 transitions. Word has length 259 [2022-11-26 00:05:44,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:44,688 INFO L495 AbstractCegarLoop]: Abstraction has 2358 states and 3368 transitions. [2022-11-26 00:05:44,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-26 00:05:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 3368 transitions. [2022-11-26 00:05:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-26 00:05:44,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:44,698 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 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] [2022-11-26 00:05:44,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:05:44,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:05:44,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:44,700 INFO L85 PathProgramCache]: Analyzing trace with hash -503473450, now seen corresponding path program 1 times [2022-11-26 00:05:44,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:44,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331569280] [2022-11-26 00:05:44,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3123 trivial. 0 not checked. [2022-11-26 00:05:45,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:45,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331569280] [2022-11-26 00:05:45,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331569280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:45,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:45,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:05:45,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250749821] [2022-11-26 00:05:45,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:45,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:05:45,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:45,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:05:45,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:05:45,239 INFO L87 Difference]: Start difference. First operand 2358 states and 3368 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-26 00:05:49,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:49,226 INFO L93 Difference]: Finished difference Result 6874 states and 9805 transitions. [2022-11-26 00:05:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:05:49,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2022-11-26 00:05:49,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:49,258 INFO L225 Difference]: With dead ends: 6874 [2022-11-26 00:05:49,259 INFO L226 Difference]: Without dead ends: 4601 [2022-11-26 00:05:49,269 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 [2022-11-26 00:05:49,271 INFO L413 NwaCegarLoop]: 1824 mSDtfsCounter, 1729 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 3268 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:49,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 3268 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-26 00:05:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2022-11-26 00:05:49,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4510. [2022-11-26 00:05:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 3135 states have (on average 1.4771929824561403) internal successors, (4631), 3291 states have internal predecessors, (4631), 965 states have call successors, (965), 316 states have call predecessors, (965), 316 states have return successors, (965), 938 states have call predecessors, (965), 965 states have call successors, (965) [2022-11-26 00:05:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 6561 transitions. [2022-11-26 00:05:49,521 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 6561 transitions. Word has length 259 [2022-11-26 00:05:49,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:49,523 INFO L495 AbstractCegarLoop]: Abstraction has 4510 states and 6561 transitions. [2022-11-26 00:05:49,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2022-11-26 00:05:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 6561 transitions. [2022-11-26 00:05:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-26 00:05:49,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:49,532 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:49,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:05:49,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:05:49,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:49,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1562465527, now seen corresponding path program 1 times [2022-11-26 00:05:49,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:49,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009704509] [2022-11-26 00:05:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:49,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3127 trivial. 0 not checked. [2022-11-26 00:05:50,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:50,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009704509] [2022-11-26 00:05:50,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009704509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:50,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:50,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:05:50,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201164404] [2022-11-26 00:05:50,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:50,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:05:50,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:50,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:05:50,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:05:50,014 INFO L87 Difference]: Start difference. First operand 4510 states and 6561 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-26 00:05:53,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:53,690 INFO L93 Difference]: Finished difference Result 12361 states and 17864 transitions. [2022-11-26 00:05:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:05:53,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 283 [2022-11-26 00:05:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:53,744 INFO L225 Difference]: With dead ends: 12361 [2022-11-26 00:05:53,744 INFO L226 Difference]: Without dead ends: 7936 [2022-11-26 00:05:53,766 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 [2022-11-26 00:05:53,768 INFO L413 NwaCegarLoop]: 1790 mSDtfsCounter, 1361 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:53,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 3172 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:05:53,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7936 states. [2022-11-26 00:05:54,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7936 to 7856. [2022-11-26 00:05:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7856 states, 5497 states have (on average 1.4731671820993268) internal successors, (8098), 5713 states have internal predecessors, (8098), 1664 states have call successors, (1664), 601 states have call predecessors, (1664), 601 states have return successors, (1664), 1613 states have call predecessors, (1664), 1664 states have call successors, (1664) [2022-11-26 00:05:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7856 states to 7856 states and 11426 transitions. [2022-11-26 00:05:54,373 INFO L78 Accepts]: Start accepts. Automaton has 7856 states and 11426 transitions. Word has length 283 [2022-11-26 00:05:54,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:54,374 INFO L495 AbstractCegarLoop]: Abstraction has 7856 states and 11426 transitions. [2022-11-26 00:05:54,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-26 00:05:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 7856 states and 11426 transitions. [2022-11-26 00:05:54,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-26 00:05:54,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:54,384 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:05:54,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:05:54,385 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:05:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:54,389 INFO L85 PathProgramCache]: Analyzing trace with hash -312257645, now seen corresponding path program 1 times [2022-11-26 00:05:54,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:54,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984520561] [2022-11-26 00:05:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3127 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3127 trivial. 0 not checked. [2022-11-26 00:05:54,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984520561] [2022-11-26 00:05:54,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984520561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:05:54,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:05:54,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:05:54,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605363344] [2022-11-26 00:05:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:05:54,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:05:54,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:54,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:05:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:05:54,914 INFO L87 Difference]: Start difference. First operand 7856 states and 11426 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:05:59,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:59,808 INFO L93 Difference]: Finished difference Result 19892 states and 28908 transitions. [2022-11-26 00:05:59,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:05:59,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 289 [2022-11-26 00:05:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:59,880 INFO L225 Difference]: With dead ends: 19892 [2022-11-26 00:05:59,880 INFO L226 Difference]: Without dead ends: 12127 [2022-11-26 00:05:59,911 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 [2022-11-26 00:05:59,912 INFO L413 NwaCegarLoop]: 2844 mSDtfsCounter, 1627 mSDsluCounter, 1421 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 4265 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:59,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 4265 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:05:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12127 states. [2022-11-26 00:06:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12127 to 12037. [2022-11-26 00:06:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12037 states, 8510 states have (on average 1.4763807285546415) internal successors, (12564), 8790 states have internal predecessors, (12564), 2520 states have call successors, (2520), 913 states have call predecessors, (2520), 913 states have return successors, (2520), 2441 states have call predecessors, (2520), 2520 states have call successors, (2520) [2022-11-26 00:06:00,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12037 states to 12037 states and 17604 transitions. [2022-11-26 00:06:00,518 INFO L78 Accepts]: Start accepts. Automaton has 12037 states and 17604 transitions. Word has length 289 [2022-11-26 00:06:00,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:00,519 INFO L495 AbstractCegarLoop]: Abstraction has 12037 states and 17604 transitions. [2022-11-26 00:06:00,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-26 00:06:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 12037 states and 17604 transitions. [2022-11-26 00:06:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-26 00:06:00,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:00,526 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:00,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:06:00,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting gspca_vm_closeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:06:00,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash -585063410, now seen corresponding path program 1 times [2022-11-26 00:06:00,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:00,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873001622] [2022-11-26 00:06:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:00,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:01,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4517 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4515 trivial. 0 not checked. [2022-11-26 00:06:01,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:01,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873001622] [2022-11-26 00:06:01,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873001622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:01,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:01,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:06:01,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478805485] [2022-11-26 00:06:01,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:01,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:01,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:01,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:01,063 INFO L87 Difference]: Start difference. First operand 12037 states and 17604 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:04,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:04,630 INFO L93 Difference]: Finished difference Result 29985 states and 43796 transitions. [2022-11-26 00:06:04,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:04,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 317 [2022-11-26 00:06:04,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:04,723 INFO L225 Difference]: With dead ends: 29985 [2022-11-26 00:06:04,723 INFO L226 Difference]: Without dead ends: 18044 [2022-11-26 00:06:04,779 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 [2022-11-26 00:06:04,780 INFO L413 NwaCegarLoop]: 2076 mSDtfsCounter, 1614 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:04,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 3638 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:06:04,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18044 states. [2022-11-26 00:06:05,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18044 to 17951. [2022-11-26 00:06:05,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17951 states, 12741 states have (on average 1.4759438034691155) internal successors, (18805), 13115 states have internal predecessors, (18805), 3750 states have call successors, (3750), 1366 states have call predecessors, (3750), 1366 states have return successors, (3750), 3631 states have call predecessors, (3750), 3750 states have call successors, (3750) [2022-11-26 00:06:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17951 states to 17951 states and 26305 transitions. [2022-11-26 00:06:05,735 INFO L78 Accepts]: Start accepts. Automaton has 17951 states and 26305 transitions. Word has length 317 [2022-11-26 00:06:05,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:05,736 INFO L495 AbstractCegarLoop]: Abstraction has 17951 states and 26305 transitions. [2022-11-26 00:06:05,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:05,737 INFO L276 IsEmpty]: Start isEmpty. Operand 17951 states and 26305 transitions. [2022-11-26 00:06:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-26 00:06:05,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:05,743 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:05,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:06:05,744 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:06:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash -432729146, now seen corresponding path program 1 times [2022-11-26 00:06:05,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910987450] [2022-11-26 00:06:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:05,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4518 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2022-11-26 00:06:06,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:06,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910987450] [2022-11-26 00:06:06,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910987450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:06,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:06:06,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:06:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938750112] [2022-11-26 00:06:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:06,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:06:06,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:06,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:06:06,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:06,471 INFO L87 Difference]: Start difference. First operand 17951 states and 26305 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:10,386 INFO L93 Difference]: Finished difference Result 24052 states and 35143 transitions. [2022-11-26 00:06:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:06:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 317 [2022-11-26 00:06:10,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:10,509 INFO L225 Difference]: With dead ends: 24052 [2022-11-26 00:06:10,510 INFO L226 Difference]: Without dead ends: 24042 [2022-11-26 00:06:10,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:06:10,528 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 1707 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 3305 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:10,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 3305 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-26 00:06:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24042 states. [2022-11-26 00:06:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24042 to 23958. [2022-11-26 00:06:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23958 states, 17041 states have (on average 1.4728595739686638) internal successors, (25099), 17509 states have internal predecessors, (25099), 4998 states have call successors, (4998), 1825 states have call predecessors, (4998), 1825 states have return successors, (4998), 4839 states have call predecessors, (4998), 4998 states have call successors, (4998) [2022-11-26 00:06:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23958 states to 23958 states and 35095 transitions. [2022-11-26 00:06:11,757 INFO L78 Accepts]: Start accepts. Automaton has 23958 states and 35095 transitions. Word has length 317 [2022-11-26 00:06:11,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:11,759 INFO L495 AbstractCegarLoop]: Abstraction has 23958 states and 35095 transitions. [2022-11-26 00:06:11,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:11,760 INFO L276 IsEmpty]: Start isEmpty. Operand 23958 states and 35095 transitions. [2022-11-26 00:06:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-26 00:06:11,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:11,767 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:11,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:06:11,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting gspca_vm_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:06:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash -708526619, now seen corresponding path program 1 times [2022-11-26 00:06:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:11,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139965291] [2022-11-26 00:06:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4517 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4515 trivial. 0 not checked. [2022-11-26 00:06:12,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:12,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139965291] [2022-11-26 00:06:12,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139965291] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:12,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870323941] [2022-11-26 00:06:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:12,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:12,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:12,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:06:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:14,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 3633 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:06:14,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4517 backedges. 1282 proven. 0 refuted. 0 times theorem prover too weak. 3235 trivial. 0 not checked. [2022-11-26 00:06:14,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:06:14,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870323941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:14,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:06:14,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-11-26 00:06:14,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356132280] [2022-11-26 00:06:14,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:14,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:06:14,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:14,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:06:14,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:06:14,266 INFO L87 Difference]: Start difference. First operand 23958 states and 35095 transitions. Second operand has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:19,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:19,584 INFO L93 Difference]: Finished difference Result 47876 states and 70343 transitions. [2022-11-26 00:06:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:06:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 318 [2022-11-26 00:06:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:19,699 INFO L225 Difference]: With dead ends: 47876 [2022-11-26 00:06:19,699 INFO L226 Difference]: Without dead ends: 23983 [2022-11-26 00:06:19,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:06:19,774 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1 mSDsluCounter, 3142 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4716 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:19,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4716 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-26 00:06:19,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23983 states. [2022-11-26 00:06:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23983 to 23983. [2022-11-26 00:06:21,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23983 states, 17066 states have (on average 1.4721668815188094) internal successors, (25124), 17534 states have internal predecessors, (25124), 4998 states have call successors, (4998), 1825 states have call predecessors, (4998), 1825 states have return successors, (4998), 4839 states have call predecessors, (4998), 4998 states have call successors, (4998) [2022-11-26 00:06:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 35120 transitions. [2022-11-26 00:06:21,295 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 35120 transitions. Word has length 318 [2022-11-26 00:06:21,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:21,296 INFO L495 AbstractCegarLoop]: Abstraction has 23983 states and 35120 transitions. [2022-11-26 00:06:21,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 26.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-26 00:06:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 35120 transitions. [2022-11-26 00:06:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-26 00:06:21,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:21,304 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:21,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:21,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:21,517 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting gspca_vm_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [wxh_to_modeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, wxh_to_modeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, frame_freeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 97 more)] === [2022-11-26 00:06:21,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:21,518 INFO L85 PathProgramCache]: Analyzing trace with hash 202167761, now seen corresponding path program 1 times [2022-11-26 00:06:21,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:21,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875162140] [2022-11-26 00:06:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:21,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4522 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4516 trivial. 0 not checked. [2022-11-26 00:06:23,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:23,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875162140] [2022-11-26 00:06:23,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875162140] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:23,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646716953] [2022-11-26 00:06:23,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:23,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:23,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:23,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:23,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46eb9821-6d32-4e19-86ba-f578643867e5/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:06:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:24,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 3663 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:06:24,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4522 backedges. 1286 proven. 1 refuted. 0 times theorem prover too weak. 3235 trivial. 0 not checked. [2022-11-26 00:06:24,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:06:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4522 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4516 trivial. 0 not checked. [2022-11-26 00:06:24,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646716953] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:06:24,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2111115545] [2022-11-26 00:06:25,036 INFO L159 IcfgInterpreter]: Started Sifa with 126 locations of interest [2022-11-26 00:06:25,036 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:06:25,043 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:06:25,049 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:06:25,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:06:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:31,451 INFO L217 Elim1Store]: Index analysis took 489 ms [2022-11-26 00:06:51,427 WARN L233 SmtUtils]: Spent 19.92s on a formula simplification. DAG size of input: 1423 DAG size of output: 711 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:06:51,438 INFO L321 Elim1Store]: treesize reduction 3366, result has 25.5 percent of original size [2022-11-26 00:06:51,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 92 select indices, 92 select index equivalence classes, 4009 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 267 case distinctions, treesize of input 474 treesize of output 1445 [2022-11-26 00:06:54,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:54,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 89 select indices, 89 select index equivalence classes, 4097 disjoint index pairs (out of 3916 index pairs), introduced 89 new quantified variables, introduced 0 case distinctions, treesize of input 455 treesize of output 723 [2022-11-26 00:07:11,362 INFO L217 Elim1Store]: Index analysis took 220 ms [2022-11-26 00:07:11,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 17797 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1772 treesize of output 598 [2022-11-26 00:07:12,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:12,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 91 select indices, 91 select index equivalence classes, 4097 disjoint index pairs (out of 4095 index pairs), introduced 91 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 274 [2022-11-26 00:07:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:13,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 92 select indices, 92 select index equivalence classes, 4186 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 277 [2022-11-26 00:07:28,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 17797 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1772 treesize of output 598 [2022-11-26 00:07:29,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:29,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 91 select indices, 91 select index equivalence classes, 4097 disjoint index pairs (out of 4095 index pairs), introduced 91 new quantified variables, introduced 0 case distinctions, treesize of input 456 treesize of output 274 [2022-11-26 00:07:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:30,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:30,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 92 select indices, 92 select index equivalence classes, 4186 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 0 case distinctions, treesize of input 461 treesize of output 277