./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- 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-8393723 [2022-11-19 08:29:28,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:29:28,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:29:28,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:29:28,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:29:28,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:29:28,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:29:28,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:29:28,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:29:28,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:29:28,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:29:28,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:29:28,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:29:28,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:29:28,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:29:28,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:29:28,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:29:28,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:29:28,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:29:28,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:29:28,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:29:28,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:29:28,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:29:28,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:29:28,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:29:28,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:29:28,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:29:28,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:29:28,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:29:28,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:29:28,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:29:28,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:29:28,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:29:28,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:29:28,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:29:28,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:29:28,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:29:28,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:29:28,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:29:28,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:29:28,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:29:28,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:29:28,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:29:28,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:29:28,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:29:28,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:29:28,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:29:28,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:29:28,841 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:29:28,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:29:28,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:29:28,842 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:29:28,843 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:29:28,844 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:29:28,844 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:29:28,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:29:28,845 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:29:28,845 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:29:28,845 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:29:28,845 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:29:28,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:29:28,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:29:28,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:29:28,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:29:28,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:29:28,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:29:28,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:29:28,848 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:29:28,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:29:28,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:29:28,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:29:28,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:28,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:29:28,850 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:29:28,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:29:28,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:29:28,851 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:29:28,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:29:28,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:29:28,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:29:28,852 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_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2022-11-19 08:29:29,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:29:29,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:29:29,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:29:29,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:29:29,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:29:29,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-19 08:29:29,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/data/bbb22ab84/11684caaa1ee49949753b426f5b2bd6a/FLAG9a89865cc [2022-11-19 08:29:30,528 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:29:30,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-19 08:29:30,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/data/bbb22ab84/11684caaa1ee49949753b426f5b2bd6a/FLAG9a89865cc [2022-11-19 08:29:30,768 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/data/bbb22ab84/11684caaa1ee49949753b426f5b2bd6a [2022-11-19 08:29:30,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:29:30,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:29:30,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:30,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:29:30,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:29:30,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:30,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@889c2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:30, skipping insertion in model container [2022-11-19 08:29:30,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:30" (1/1) ... [2022-11-19 08:29:30,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:29:30,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:35,156 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-19 08:29:35,165 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-19 08:29:35,166 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-19 08:29:35,166 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-19 08:29:35,167 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-19 08:29:35,174 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-19 08:29:35,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-19 08:29:35,175 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-19 08:29:35,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-19 08:29:35,176 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-19 08:29:35,177 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-19 08:29:35,178 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-19 08:29:35,178 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-19 08:29:35,179 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-19 08:29:35,180 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-19 08:29:35,180 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-19 08:29:35,181 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-19 08:29:35,182 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-19 08:29:35,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-19 08:29:35,184 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-19 08:29:35,185 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-19 08:29:35,186 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-19 08:29:35,187 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-19 08:29:35,188 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-19 08:29:35,189 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-19 08:29:35,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-19 08:29:35,190 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-19 08:29:35,192 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-19 08:29:35,192 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-19 08:29:35,194 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-19 08:29:35,195 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-19 08:29:35,195 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-19 08:29:35,196 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-19 08:29:35,197 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-19 08:29:35,197 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-19 08:29:35,198 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-19 08:29:35,198 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-19 08:29:35,199 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-19 08:29:35,199 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-19 08:29:35,200 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-19 08:29:35,200 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-19 08:29:35,201 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-19 08:29:35,201 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-19 08:29:35,202 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-19 08:29:35,202 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-19 08:29:35,203 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-19 08:29:35,204 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-19 08:29:35,205 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-19 08:29:35,206 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-19 08:29:35,206 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-19 08:29:35,207 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-19 08:29:35,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-19 08:29:35,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-19 08:29:35,209 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-19 08:29:35,209 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-19 08:29:35,210 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-19 08:29:35,210 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-19 08:29:35,211 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-19 08:29:35,211 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-19 08:29:35,212 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-19 08:29:35,213 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-19 08:29:35,214 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-19 08:29:35,215 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-19 08:29:35,234 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-19 08:29:35,235 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-19 08:29:35,236 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-19 08:29:35,237 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-19 08:29:35,237 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-19 08:29:35,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-19 08:29:35,238 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-19 08:29:35,239 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-19 08:29:35,240 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-19 08:29:35,241 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-19 08:29:35,241 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-19 08:29:35,242 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-19 08:29:35,243 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-19 08:29:35,244 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-19 08:29:35,244 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-19 08:29:35,245 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-19 08:29:35,245 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-19 08:29:35,246 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-19 08:29:35,246 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-19 08:29:35,247 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-19 08:29:35,248 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-19 08:29:35,250 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-19 08:29:35,251 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-19 08:29:35,252 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-19 08:29:35,253 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-19 08:29:35,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:35,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:29:35,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-19 08:29:35,791 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-19 08:29:35,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-19 08:29:35,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-19 08:29:35,792 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-19 08:29:35,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-19 08:29:35,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-19 08:29:35,793 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-19 08:29:35,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-19 08:29:35,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-19 08:29:35,794 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-19 08:29:35,795 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-19 08:29:35,795 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-19 08:29:35,796 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-19 08:29:35,796 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-19 08:29:35,798 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-19 08:29:35,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-19 08:29:35,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-19 08:29:35,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-19 08:29:35,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-19 08:29:35,800 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-19 08:29:35,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-19 08:29:35,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-19 08:29:35,801 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-19 08:29:35,802 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-19 08:29:35,802 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-19 08:29:35,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-19 08:29:35,803 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-19 08:29:35,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-19 08:29:35,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-19 08:29:35,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-19 08:29:35,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-19 08:29:35,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-19 08:29:35,805 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-19 08:29:35,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-19 08:29:35,806 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-19 08:29:35,807 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-19 08:29:35,807 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-19 08:29:35,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-19 08:29:35,808 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-19 08:29:35,809 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-19 08:29:35,809 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-19 08:29:35,810 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-19 08:29:35,810 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-19 08:29:35,811 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-19 08:29:35,811 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-19 08:29:35,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-19 08:29:35,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-19 08:29:35,812 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-19 08:29:35,813 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-19 08:29:35,813 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-19 08:29:35,814 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-19 08:29:35,814 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-19 08:29:35,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-19 08:29:35,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-19 08:29:35,815 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-19 08:29:35,816 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-19 08:29:35,816 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-19 08:29:35,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-19 08:29:35,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-19 08:29:35,818 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-19 08:29:35,818 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-19 08:29:35,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-19 08:29:35,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-19 08:29:35,819 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-19 08:29:35,820 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-19 08:29:35,820 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-19 08:29:35,821 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-19 08:29:35,821 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-19 08:29:35,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-19 08:29:35,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-19 08:29:35,822 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-19 08:29:35,823 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-19 08:29:35,823 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-19 08:29:35,824 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-19 08:29:35,824 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-19 08:29:35,825 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-19 08:29:35,825 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-19 08:29:35,825 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-19 08:29:35,826 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-19 08:29:35,826 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-19 08:29:35,827 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-19 08:29:35,827 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-19 08:29:35,827 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-19 08:29:35,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-19 08:29:35,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-19 08:29:35,829 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-19 08:29:35,829 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-19 08:29:35,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:36,085 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:29:36,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36 WrapperNode [2022-11-19 08:29:36,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:36,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:36,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:29:36,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:29:36,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,499 INFO L138 Inliner]: procedures = 602, calls = 2176, calls flagged for inlining = 265, calls inlined = 157, statements flattened = 3113 [2022-11-19 08:29:36,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:36,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:29:36,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:29:36,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:29:36,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:29:36,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:29:36,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:29:36,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:29:36,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (1/1) ... [2022-11-19 08:29:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:36,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:36,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:29:36,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:29:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 08:29:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 08:29:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:29:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:29:36,954 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-11-19 08:29:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-11-19 08:29:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-11-19 08:29:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-11-19 08:29:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-19 08:29:36,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-19 08:29:36,955 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 08:29:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 08:29:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:29:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:29:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 08:29:36,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 08:29:36,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:29:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:29:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-19 08:29:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-19 08:29:36,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 08:29:36,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 08:29:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 08:29:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 08:29:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-19 08:29:36,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-19 08:29:36,958 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:29:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:29:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:29:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:29:36,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:29:36,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:29:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:29:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 08:29:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 08:29:36,960 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-19 08:29:36,960 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-19 08:29:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:29:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-11-19 08:29:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-11-19 08:29:36,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 08:29:36,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 08:29:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-11-19 08:29:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-11-19 08:29:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:29:36,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:29:36,962 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-11-19 08:29:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-11-19 08:29:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 08:29:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 08:29:36,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:29:36,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:29:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 08:29:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 08:29:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:29:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:29:36,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 08:29:36,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 08:29:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:29:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 08:29:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 08:29:36,965 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-11-19 08:29:36,965 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-11-19 08:29:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 08:29:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 08:29:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 08:29:36,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 08:29:36,966 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-11-19 08:29:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-11-19 08:29:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:29:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:29:36,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 08:29:36,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 08:29:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-19 08:29:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-19 08:29:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-19 08:29:36,968 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-19 08:29:36,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 08:29:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 08:29:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-11-19 08:29:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-11-19 08:29:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-11-19 08:29:36,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-11-19 08:29:36,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 08:29:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 08:29:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-19 08:29:36,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-19 08:29:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:29:36,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:29:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-19 08:29:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-19 08:29:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:29:36,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:29:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:29:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-11-19 08:29:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-11-19 08:29:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-19 08:29:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-19 08:29:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-11-19 08:29:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-11-19 08:29:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-11-19 08:29:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-11-19 08:29:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:29:36,973 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:29:36,973 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-11-19 08:29:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-11-19 08:29:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 08:29:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 08:29:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-11-19 08:29:36,974 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-11-19 08:29:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-19 08:29:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-19 08:29:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:29:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:29:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 08:29:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 08:29:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-19 08:29:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-19 08:29:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:29:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:29:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:29:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-11-19 08:29:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-11-19 08:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:29:36,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:29:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-11-19 08:29:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-11-19 08:29:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 08:29:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 08:29:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 08:29:36,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 08:29:36,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:29:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 08:29:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 08:29:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-19 08:29:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-19 08:29:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-11-19 08:29:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-11-19 08:29:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:29:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-11-19 08:29:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-11-19 08:29:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-19 08:29:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-19 08:29:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-11-19 08:29:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-11-19 08:29:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:29:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:29:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:29:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:29:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:29:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 08:29:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 08:29:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-19 08:29:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-19 08:29:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:29:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:29:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:29:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:29:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-19 08:29:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-19 08:29:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-11-19 08:29:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-11-19 08:29:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 08:29:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 08:29:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 08:29:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 08:29:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 08:29:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 08:29:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:29:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:29:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 08:29:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 08:29:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 08:29:36,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 08:29:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:29:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:29:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 08:29:36,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-19 08:29:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:29:36,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 08:29:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 08:29:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:29:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:29:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 08:29:36,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 08:29:36,988 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-19 08:29:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-19 08:29:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-19 08:29:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-19 08:29:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-19 08:29:36,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-19 08:29:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-19 08:29:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-19 08:29:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-11-19 08:29:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-11-19 08:29:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:29:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:29:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 08:29:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 08:29:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-11-19 08:29:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-11-19 08:29:36,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-19 08:29:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-19 08:29:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-19 08:29:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-19 08:29:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-19 08:29:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-19 08:29:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:29:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-19 08:29:36,993 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-19 08:29:37,730 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:29:37,734 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:29:37,816 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:29:41,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:29:42,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:29:42,235 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:29:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:42 BoogieIcfgContainer [2022-11-19 08:29:42,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:29:42,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:29:42,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:29:42,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:29:42,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:29:30" (1/3) ... [2022-11-19 08:29:42,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ab8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:42, skipping insertion in model container [2022-11-19 08:29:42,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:36" (2/3) ... [2022-11-19 08:29:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ab8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:42, skipping insertion in model container [2022-11-19 08:29:42,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:42" (3/3) ... [2022-11-19 08:29:42,265 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-19 08:29:42,289 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:29:42,289 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-19 08:29:42,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:29:42,410 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;@64f9e6fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:29:42,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-19 08:29:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) [2022-11-19 08:29:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 08:29:42,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:42,438 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:42,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:29:42,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash 580379619, now seen corresponding path program 1 times [2022-11-19 08:29:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:42,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43636440] [2022-11-19 08:29:42,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:29:43,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43636440] [2022-11-19 08:29:43,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43636440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:43,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:43,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:29:43,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656522766] [2022-11-19 08:29:43,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:43,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:29:43,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:43,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:29:43,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:29:43,409 INFO L87 Difference]: Start difference. First operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:29:46,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:29:47,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:47,594 INFO L93 Difference]: Finished difference Result 2996 states and 4276 transitions. [2022-11-19 08:29:47,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:29:47,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-19 08:29:47,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:47,635 INFO L225 Difference]: With dead ends: 2996 [2022-11-19 08:29:47,635 INFO L226 Difference]: Without dead ends: 1986 [2022-11-19 08:29:47,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:47,658 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1312 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:47,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 4020 Invalid, 530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-19 08:29:47,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2022-11-19 08:29:47,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1804. [2022-11-19 08:29:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1038 states have (on average 1.25626204238921) internal successors, (1304), 1109 states have internal predecessors, (1304), 555 states have call successors, (555), 176 states have call predecessors, (555), 175 states have return successors, (553), 545 states have call predecessors, (553), 553 states have call successors, (553) [2022-11-19 08:29:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2412 transitions. [2022-11-19 08:29:47,981 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2412 transitions. Word has length 38 [2022-11-19 08:29:47,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:47,982 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2412 transitions. [2022-11-19 08:29:47,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:29:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2412 transitions. [2022-11-19 08:29:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-19 08:29:47,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:47,987 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:47,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:29:47,988 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:29:47,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:47,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1571141024, now seen corresponding path program 1 times [2022-11-19 08:29:47,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:47,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606849633] [2022-11-19 08:29:47,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 08:29:49,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:49,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606849633] [2022-11-19 08:29:49,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606849633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:49,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:49,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-19 08:29:49,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886740491] [2022-11-19 08:29:49,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:49,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 08:29:49,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:49,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 08:29:49,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-19 08:29:49,195 INFO L87 Difference]: Start difference. First operand 1804 states and 2412 transitions. Second operand has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-19 08:29:55,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:29:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:55,345 INFO L93 Difference]: Finished difference Result 1998 states and 2631 transitions. [2022-11-19 08:29:55,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 08:29:55,346 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2022-11-19 08:29:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:55,361 INFO L225 Difference]: With dead ends: 1998 [2022-11-19 08:29:55,361 INFO L226 Difference]: Without dead ends: 1837 [2022-11-19 08:29:55,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-19 08:29:55,365 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 25 mSDsluCounter, 10212 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 94 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 11366 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:55,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 11366 Invalid, 2121 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 2026 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-19 08:29:55,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2022-11-19 08:29:55,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1813. [2022-11-19 08:29:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1043 states have (on average 1.25503355704698) internal successors, (1309), 1114 states have internal predecessors, (1309), 559 states have call successors, (559), 176 states have call predecessors, (559), 175 states have return successors, (557), 549 states have call predecessors, (557), 557 states have call successors, (557) [2022-11-19 08:29:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2425 transitions. [2022-11-19 08:29:55,493 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2425 transitions. Word has length 42 [2022-11-19 08:29:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:55,494 INFO L495 AbstractCegarLoop]: Abstraction has 1813 states and 2425 transitions. [2022-11-19 08:29:55,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-19 08:29:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2425 transitions. [2022-11-19 08:29:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 08:29:55,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:55,497 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:55,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:29:55,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:29:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:55,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1539125199, now seen corresponding path program 1 times [2022-11-19 08:29:55,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:55,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250197564] [2022-11-19 08:29:55,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:55,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:29:55,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:55,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250197564] [2022-11-19 08:29:55,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250197564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:55,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:55,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:29:55,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968117558] [2022-11-19 08:29:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:55,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:29:55,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:55,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:29:55,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:29:55,825 INFO L87 Difference]: Start difference. First operand 1813 states and 2425 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:29:58,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:29:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:59,715 INFO L93 Difference]: Finished difference Result 3539 states and 4734 transitions. [2022-11-19 08:29:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:29:59,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-19 08:29:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:59,744 INFO L225 Difference]: With dead ends: 3539 [2022-11-19 08:29:59,744 INFO L226 Difference]: Without dead ends: 3537 [2022-11-19 08:29:59,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:59,748 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1270 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4004 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:59,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1272 Valid, 4004 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 537 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-19 08:29:59,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2022-11-19 08:29:59,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3349. [2022-11-19 08:29:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3349 states, 1932 states have (on average 1.2562111801242235) internal successors, (2427), 2039 states have internal predecessors, (2427), 1049 states have call successors, (1049), 333 states have call predecessors, (1049), 332 states have return successors, (1059), 1029 states have call predecessors, (1059), 1047 states have call successors, (1059) [2022-11-19 08:30:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 3349 states and 4535 transitions. [2022-11-19 08:30:00,009 INFO L78 Accepts]: Start accepts. Automaton has 3349 states and 4535 transitions. Word has length 43 [2022-11-19 08:30:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:00,010 INFO L495 AbstractCegarLoop]: Abstraction has 3349 states and 4535 transitions. [2022-11-19 08:30:00,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:30:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3349 states and 4535 transitions. [2022-11-19 08:30:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 08:30:00,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:00,022 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:00,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:30:00,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:00,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1983067535, now seen corresponding path program 1 times [2022-11-19 08:30:00,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:00,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136514915] [2022-11-19 08:30:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:00,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:00,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136514915] [2022-11-19 08:30:00,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136514915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:00,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:00,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:00,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328066195] [2022-11-19 08:30:00,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:00,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:00,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:00,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:00,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:00,434 INFO L87 Difference]: Start difference. First operand 3349 states and 4535 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:30:03,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:04,491 INFO L93 Difference]: Finished difference Result 6591 states and 8916 transitions. [2022-11-19 08:30:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:04,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2022-11-19 08:30:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:04,543 INFO L225 Difference]: With dead ends: 6591 [2022-11-19 08:30:04,544 INFO L226 Difference]: Without dead ends: 6589 [2022-11-19 08:30:04,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:04,551 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 1290 mSDsluCounter, 2528 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:04,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 3966 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-19 08:30:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6589 states. [2022-11-19 08:30:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6589 to 6403. [2022-11-19 08:30:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6403 states, 3703 states have (on average 1.2592492573588983) internal successors, (4663), 3890 states have internal predecessors, (4663), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-19 08:30:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6403 states to 6403 states and 8723 transitions. [2022-11-19 08:30:05,068 INFO L78 Accepts]: Start accepts. Automaton has 6403 states and 8723 transitions. Word has length 48 [2022-11-19 08:30:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:05,069 INFO L495 AbstractCegarLoop]: Abstraction has 6403 states and 8723 transitions. [2022-11-19 08:30:05,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:30:05,069 INFO L276 IsEmpty]: Start isEmpty. Operand 6403 states and 8723 transitions. [2022-11-19 08:30:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-19 08:30:05,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:05,072 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:05,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:30:05,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:05,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1158847928, now seen corresponding path program 1 times [2022-11-19 08:30:05,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:05,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915412409] [2022-11-19 08:30:05,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:05,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 08:30:05,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:05,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915412409] [2022-11-19 08:30:05,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915412409] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:30:05,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439029478] [2022-11-19 08:30:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:05,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:30:05,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:30:05,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:30:05,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:30:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:06,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-19 08:30:06,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:30:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 08:30:06,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:30:06,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439029478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:06,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:30:06,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-19 08:30:06,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373399770] [2022-11-19 08:30:06,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:06,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:30:06,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:06,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:30:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:30:06,670 INFO L87 Difference]: Start difference. First operand 6403 states and 8723 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:30:11,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:11,763 INFO L93 Difference]: Finished difference Result 6882 states and 9413 transitions. [2022-11-19 08:30:11,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:30:11,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-19 08:30:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:11,813 INFO L225 Difference]: With dead ends: 6882 [2022-11-19 08:30:11,813 INFO L226 Difference]: Without dead ends: 6680 [2022-11-19 08:30:11,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:30:11,821 INFO L413 NwaCegarLoop]: 1252 mSDtfsCounter, 49 mSDsluCounter, 6031 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 7283 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:11,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7283 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1220 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-19 08:30:11,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2022-11-19 08:30:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 6405. [2022-11-19 08:30:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3705 states have (on average 1.2591093117408907) internal successors, (4665), 3892 states have internal predecessors, (4665), 2021 states have call successors, (2021), 648 states have call predecessors, (2021), 643 states have return successors, (2039), 1969 states have call predecessors, (2039), 2019 states have call successors, (2039) [2022-11-19 08:30:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 8725 transitions. [2022-11-19 08:30:12,425 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 8725 transitions. Word has length 55 [2022-11-19 08:30:12,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:12,426 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 8725 transitions. [2022-11-19 08:30:12,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:30:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 8725 transitions. [2022-11-19 08:30:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 08:30:12,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:12,430 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:12,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 08:30:12,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:30:12,640 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:12,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:12,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1892931426, now seen corresponding path program 1 times [2022-11-19 08:30:12,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:12,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359733802] [2022-11-19 08:30:12,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:12,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:12,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:12,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359733802] [2022-11-19 08:30:12,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359733802] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:12,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:12,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:12,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627199214] [2022-11-19 08:30:12,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:12,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:12,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:12,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:12,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:12,958 INFO L87 Difference]: Start difference. First operand 6405 states and 8725 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:30:15,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:16,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:16,701 INFO L93 Difference]: Finished difference Result 6611 states and 8939 transitions. [2022-11-19 08:30:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:16,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-11-19 08:30:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:16,829 INFO L225 Difference]: With dead ends: 6611 [2022-11-19 08:30:16,829 INFO L226 Difference]: Without dead ends: 6609 [2022-11-19 08:30:16,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:16,835 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 1294 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:16,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 3990 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:30:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-11-19 08:30:17,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6447. [2022-11-19 08:30:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6447 states, 3726 states have (on average 1.2584541062801933) internal successors, (4689), 3913 states have internal predecessors, (4689), 2035 states have call successors, (2035), 655 states have call predecessors, (2035), 650 states have return successors, (2053), 1983 states have call predecessors, (2053), 2033 states have call successors, (2053) [2022-11-19 08:30:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6447 states to 6447 states and 8777 transitions. [2022-11-19 08:30:17,404 INFO L78 Accepts]: Start accepts. Automaton has 6447 states and 8777 transitions. Word has length 53 [2022-11-19 08:30:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:17,405 INFO L495 AbstractCegarLoop]: Abstraction has 6447 states and 8777 transitions. [2022-11-19 08:30:17,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:30:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 6447 states and 8777 transitions. [2022-11-19 08:30:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-19 08:30:17,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:17,407 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:17,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:30:17,407 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:17,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:17,408 INFO L85 PathProgramCache]: Analyzing trace with hash -491025950, now seen corresponding path program 1 times [2022-11-19 08:30:17,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:17,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073856739] [2022-11-19 08:30:17,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-19 08:30:18,720 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:18,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073856739] [2022-11-19 08:30:18,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073856739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:18,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:18,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-19 08:30:18,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087243054] [2022-11-19 08:30:18,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:18,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 08:30:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:18,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 08:30:18,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-19 08:30:18,722 INFO L87 Difference]: Start difference. First operand 6447 states and 8777 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-19 08:30:25,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:25,480 INFO L93 Difference]: Finished difference Result 6969 states and 9412 transitions. [2022-11-19 08:30:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-19 08:30:25,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 59 [2022-11-19 08:30:25,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:25,517 INFO L225 Difference]: With dead ends: 6969 [2022-11-19 08:30:25,517 INFO L226 Difference]: Without dead ends: 6597 [2022-11-19 08:30:25,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-19 08:30:25,524 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 33 mSDsluCounter, 11327 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 120 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 12480 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:25,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 12480 Invalid, 2357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [120 Valid, 2236 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-11-19 08:30:25,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6597 states. [2022-11-19 08:30:25,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6597 to 6518. [2022-11-19 08:30:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 3769 states have (on average 1.2555054391085168) internal successors, (4732), 3956 states have internal predecessors, (4732), 2063 states have call successors, (2063), 655 states have call predecessors, (2063), 650 states have return successors, (2081), 2011 states have call predecessors, (2081), 2061 states have call successors, (2081) [2022-11-19 08:30:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8876 transitions. [2022-11-19 08:30:25,997 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8876 transitions. Word has length 59 [2022-11-19 08:30:25,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:25,998 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8876 transitions. [2022-11-19 08:30:25,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-19 08:30:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8876 transitions. [2022-11-19 08:30:26,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 08:30:26,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:26,001 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:26,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:30:26,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:26,002 INFO L85 PathProgramCache]: Analyzing trace with hash 845912774, now seen corresponding path program 1 times [2022-11-19 08:30:26,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:26,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868272192] [2022-11-19 08:30:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:26,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:26,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:26,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868272192] [2022-11-19 08:30:26,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868272192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:26,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:26,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:26,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828052887] [2022-11-19 08:30:26,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:26,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:26,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:26,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:26,269 INFO L87 Difference]: Start difference. First operand 6518 states and 8876 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:30:29,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:30,208 INFO L93 Difference]: Finished difference Result 6680 states and 9036 transitions. [2022-11-19 08:30:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-11-19 08:30:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:30,243 INFO L225 Difference]: With dead ends: 6680 [2022-11-19 08:30:30,243 INFO L226 Difference]: Without dead ends: 6678 [2022-11-19 08:30:30,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:30,250 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1291 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:30,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:30:30,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6678 states. [2022-11-19 08:30:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6678 to 6524. [2022-11-19 08:30:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6524 states, 3772 states have (on average 1.255302226935313) internal successors, (4735), 3959 states have internal predecessors, (4735), 2065 states have call successors, (2065), 656 states have call predecessors, (2065), 651 states have return successors, (2083), 2013 states have call predecessors, (2083), 2063 states have call successors, (2083) [2022-11-19 08:30:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8883 transitions. [2022-11-19 08:30:30,729 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8883 transitions. Word has length 58 [2022-11-19 08:30:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:30,730 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8883 transitions. [2022-11-19 08:30:30,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:30:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8883 transitions. [2022-11-19 08:30:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 08:30:30,732 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:30,733 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:30,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:30:30,733 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1560602758, now seen corresponding path program 1 times [2022-11-19 08:30:30,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:30,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135705210] [2022-11-19 08:30:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:30,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:31,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:31,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135705210] [2022-11-19 08:30:31,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135705210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:31,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:31,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:31,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072434879] [2022-11-19 08:30:31,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:31,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:31,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:31,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:31,066 INFO L87 Difference]: Start difference. First operand 6524 states and 8883 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:30:34,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:35,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:35,020 INFO L93 Difference]: Finished difference Result 6678 states and 9034 transitions. [2022-11-19 08:30:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:35,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-11-19 08:30:35,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:35,056 INFO L225 Difference]: With dead ends: 6678 [2022-11-19 08:30:35,056 INFO L226 Difference]: Without dead ends: 6676 [2022-11-19 08:30:35,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:35,064 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1288 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:35,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-19 08:30:35,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2022-11-19 08:30:35,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6530. [2022-11-19 08:30:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 3775 states have (on average 1.2550993377483444) internal successors, (4738), 3962 states have internal predecessors, (4738), 2067 states have call successors, (2067), 657 states have call predecessors, (2067), 652 states have return successors, (2085), 2015 states have call predecessors, (2085), 2065 states have call successors, (2085) [2022-11-19 08:30:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8890 transitions. [2022-11-19 08:30:35,761 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8890 transitions. Word has length 63 [2022-11-19 08:30:35,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:35,762 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8890 transitions. [2022-11-19 08:30:35,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:30:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8890 transitions. [2022-11-19 08:30:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 08:30:35,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:35,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:35,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:30:35,764 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:35,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:35,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1803948370, now seen corresponding path program 1 times [2022-11-19 08:30:35,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:35,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133943021] [2022-11-19 08:30:35,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:35,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:36,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:36,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133943021] [2022-11-19 08:30:36,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133943021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:36,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:36,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610806117] [2022-11-19 08:30:36,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:36,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:36,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:36,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:36,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:36,047 INFO L87 Difference]: Start difference. First operand 6530 states and 8890 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:30:38,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:39,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:39,859 INFO L93 Difference]: Finished difference Result 6676 states and 9032 transitions. [2022-11-19 08:30:39,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:39,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-19 08:30:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:39,891 INFO L225 Difference]: With dead ends: 6676 [2022-11-19 08:30:39,892 INFO L226 Difference]: Without dead ends: 6674 [2022-11-19 08:30:39,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:39,897 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1285 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:39,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:30:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-19 08:30:40,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 6536. [2022-11-19 08:30:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6536 states, 3778 states have (on average 1.2548967707781895) internal successors, (4741), 3965 states have internal predecessors, (4741), 2069 states have call successors, (2069), 658 states have call predecessors, (2069), 653 states have return successors, (2087), 2017 states have call predecessors, (2087), 2067 states have call successors, (2087) [2022-11-19 08:30:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6536 states to 6536 states and 8897 transitions. [2022-11-19 08:30:40,378 INFO L78 Accepts]: Start accepts. Automaton has 6536 states and 8897 transitions. Word has length 68 [2022-11-19 08:30:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:40,379 INFO L495 AbstractCegarLoop]: Abstraction has 6536 states and 8897 transitions. [2022-11-19 08:30:40,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:30:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 6536 states and 8897 transitions. [2022-11-19 08:30:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 08:30:40,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:40,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:40,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:30:40,382 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:40,382 INFO L85 PathProgramCache]: Analyzing trace with hash 221373780, now seen corresponding path program 1 times [2022-11-19 08:30:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:40,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598070214] [2022-11-19 08:30:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:40,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:40,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598070214] [2022-11-19 08:30:40,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598070214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:40,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:40,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:40,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213404695] [2022-11-19 08:30:40,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:40,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:40,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:40,634 INFO L87 Difference]: Start difference. First operand 6536 states and 8897 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:30:43,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:44,528 INFO L93 Difference]: Finished difference Result 6674 states and 9030 transitions. [2022-11-19 08:30:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:44,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-19 08:30:44,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:44,566 INFO L225 Difference]: With dead ends: 6674 [2022-11-19 08:30:44,566 INFO L226 Difference]: Without dead ends: 6672 [2022-11-19 08:30:44,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:44,573 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1290 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:44,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 4008 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:30:44,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-19 08:30:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6544. [2022-11-19 08:30:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2548242135871002) internal successors, (4747), 3970 states have internal predecessors, (4747), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-19 08:30:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8907 transitions. [2022-11-19 08:30:45,156 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8907 transitions. Word has length 73 [2022-11-19 08:30:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:45,157 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8907 transitions. [2022-11-19 08:30:45,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:30:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8907 transitions. [2022-11-19 08:30:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 08:30:45,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:45,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:45,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:30:45,164 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:45,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:45,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2008027849, now seen corresponding path program 1 times [2022-11-19 08:30:45,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:45,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797614599] [2022-11-19 08:30:45,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:45,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:45,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797614599] [2022-11-19 08:30:45,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797614599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:45,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:45,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:45,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105514570] [2022-11-19 08:30:45,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:45,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:45,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:45,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:45,427 INFO L87 Difference]: Start difference. First operand 6544 states and 8907 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:30:48,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:49,229 INFO L93 Difference]: Finished difference Result 6672 states and 9028 transitions. [2022-11-19 08:30:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:49,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-11-19 08:30:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:49,265 INFO L225 Difference]: With dead ends: 6672 [2022-11-19 08:30:49,265 INFO L226 Difference]: Without dead ends: 6670 [2022-11-19 08:30:49,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:49,272 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1278 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:49,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:30:49,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6670 states. [2022-11-19 08:30:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6670 to 6544. [2022-11-19 08:30:49,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 3783 states have (on average 1.2545598731165741) internal successors, (4746), 3970 states have internal predecessors, (4746), 2071 states have call successors, (2071), 659 states have call predecessors, (2071), 654 states have return successors, (2089), 2019 states have call predecessors, (2089), 2069 states have call successors, (2089) [2022-11-19 08:30:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8906 transitions. [2022-11-19 08:30:49,834 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8906 transitions. Word has length 75 [2022-11-19 08:30:49,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:49,835 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8906 transitions. [2022-11-19 08:30:49,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:30:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8906 transitions. [2022-11-19 08:30:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-19 08:30:49,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:49,837 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:49,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 08:30:49,838 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:49,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1920795639, now seen corresponding path program 1 times [2022-11-19 08:30:49,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:49,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267322499] [2022-11-19 08:30:49,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:50,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:50,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267322499] [2022-11-19 08:30:50,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267322499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:50,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:50,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732744771] [2022-11-19 08:30:50,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:50,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:50,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:50,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:50,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:50,101 INFO L87 Difference]: Start difference. First operand 6544 states and 8906 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 08:30:53,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:54,154 INFO L93 Difference]: Finished difference Result 6670 states and 9026 transitions. [2022-11-19 08:30:54,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:54,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-11-19 08:30:54,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:54,187 INFO L225 Difference]: With dead ends: 6670 [2022-11-19 08:30:54,187 INFO L226 Difference]: Without dead ends: 6668 [2022-11-19 08:30:54,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:54,193 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1277 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1279 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:54,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1279 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:30:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-19 08:30:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6550. [2022-11-19 08:30:54,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6550 states, 3786 states have (on average 1.2543581616481776) internal successors, (4749), 3973 states have internal predecessors, (4749), 2073 states have call successors, (2073), 660 states have call predecessors, (2073), 655 states have return successors, (2091), 2021 states have call predecessors, (2091), 2071 states have call successors, (2091) [2022-11-19 08:30:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6550 states to 6550 states and 8913 transitions. [2022-11-19 08:30:54,738 INFO L78 Accepts]: Start accepts. Automaton has 6550 states and 8913 transitions. Word has length 80 [2022-11-19 08:30:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:54,739 INFO L495 AbstractCegarLoop]: Abstraction has 6550 states and 8913 transitions. [2022-11-19 08:30:54,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 08:30:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 6550 states and 8913 transitions. [2022-11-19 08:30:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 08:30:54,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:54,741 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:54,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 08:30:54,742 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:54,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:54,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1332796663, now seen corresponding path program 1 times [2022-11-19 08:30:54,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:54,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397227200] [2022-11-19 08:30:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:54,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:30:55,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:55,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397227200] [2022-11-19 08:30:55,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397227200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:55,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:55,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:55,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735340059] [2022-11-19 08:30:55,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:55,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:30:55,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:55,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:30:55,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:30:55,094 INFO L87 Difference]: Start difference. First operand 6550 states and 8913 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 08:30:58,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:30:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:58,990 INFO L93 Difference]: Finished difference Result 6668 states and 9024 transitions. [2022-11-19 08:30:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:58,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-11-19 08:30:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:59,018 INFO L225 Difference]: With dead ends: 6668 [2022-11-19 08:30:59,018 INFO L226 Difference]: Without dead ends: 6666 [2022-11-19 08:30:59,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:59,024 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1274 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:59,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:30:59,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2022-11-19 08:30:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6556. [2022-11-19 08:30:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6556 states, 3789 states have (on average 1.2541567695961995) internal successors, (4752), 3976 states have internal predecessors, (4752), 2075 states have call successors, (2075), 661 states have call predecessors, (2075), 656 states have return successors, (2093), 2023 states have call predecessors, (2093), 2073 states have call successors, (2093) [2022-11-19 08:30:59,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6556 states to 6556 states and 8920 transitions. [2022-11-19 08:30:59,678 INFO L78 Accepts]: Start accepts. Automaton has 6556 states and 8920 transitions. Word has length 85 [2022-11-19 08:30:59,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:59,679 INFO L495 AbstractCegarLoop]: Abstraction has 6556 states and 8920 transitions. [2022-11-19 08:30:59,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 08:30:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 6556 states and 8920 transitions. [2022-11-19 08:30:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-19 08:30:59,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:59,681 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:59,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 08:30:59,682 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:30:59,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:59,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1379181229, now seen corresponding path program 1 times [2022-11-19 08:30:59,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:59,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087864724] [2022-11-19 08:30:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:59,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-19 08:31:00,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:00,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087864724] [2022-11-19 08:31:00,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087864724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:00,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:00,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:31:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315973506] [2022-11-19 08:31:00,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:00,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:31:00,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:00,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:31:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:00,448 INFO L87 Difference]: Start difference. First operand 6556 states and 8920 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:31:03,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:04,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:04,924 INFO L93 Difference]: Finished difference Result 7654 states and 10282 transitions. [2022-11-19 08:31:04,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:31:04,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-11-19 08:31:04,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:04,960 INFO L225 Difference]: With dead ends: 7654 [2022-11-19 08:31:04,961 INFO L226 Difference]: Without dead ends: 7652 [2022-11-19 08:31:04,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:31:04,967 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1244 mSDsluCounter, 3994 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 5459 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:04,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 5459 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 706 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-19 08:31:04,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-11-19 08:31:05,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7462. [2022-11-19 08:31:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7462 states, 4336 states have (on average 1.253920664206642) internal successors, (5437), 4545 states have internal predecessors, (5437), 2310 states have call successors, (2310), 787 states have call predecessors, (2310), 780 states have return successors, (2330), 2245 states have call predecessors, (2330), 2308 states have call successors, (2330) [2022-11-19 08:31:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7462 states to 7462 states and 10077 transitions. [2022-11-19 08:31:05,784 INFO L78 Accepts]: Start accepts. Automaton has 7462 states and 10077 transitions. Word has length 119 [2022-11-19 08:31:05,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:05,785 INFO L495 AbstractCegarLoop]: Abstraction has 7462 states and 10077 transitions. [2022-11-19 08:31:05,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 08:31:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7462 states and 10077 transitions. [2022-11-19 08:31:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-19 08:31:05,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:05,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:05,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 08:31:05,790 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1941809798, now seen corresponding path program 1 times [2022-11-19 08:31:05,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:05,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133616545] [2022-11-19 08:31:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:06,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:06,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133616545] [2022-11-19 08:31:06,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133616545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:06,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:06,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:06,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255144642] [2022-11-19 08:31:06,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:06,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:06,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:06,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:06,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:06,140 INFO L87 Difference]: Start difference. First operand 7462 states and 10077 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 08:31:09,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:10,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:10,153 INFO L93 Difference]: Finished difference Result 7572 states and 10179 transitions. [2022-11-19 08:31:10,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:10,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2022-11-19 08:31:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:10,186 INFO L225 Difference]: With dead ends: 7572 [2022-11-19 08:31:10,186 INFO L226 Difference]: Without dead ends: 7570 [2022-11-19 08:31:10,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:10,193 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1271 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1273 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:10,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1273 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:31:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2022-11-19 08:31:10,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 7468. [2022-11-19 08:31:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2537451025581932) internal successors, (5440), 4548 states have internal predecessors, (5440), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-19 08:31:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10084 transitions. [2022-11-19 08:31:10,974 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10084 transitions. Word has length 90 [2022-11-19 08:31:10,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:10,974 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10084 transitions. [2022-11-19 08:31:10,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 08:31:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10084 transitions. [2022-11-19 08:31:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-19 08:31:10,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:10,977 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:10,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 08:31:10,977 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:10,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:10,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1475279590, now seen corresponding path program 1 times [2022-11-19 08:31:10,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:10,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653372011] [2022-11-19 08:31:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:10,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-19 08:31:11,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:11,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653372011] [2022-11-19 08:31:11,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653372011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:11,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:11,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:31:11,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224234343] [2022-11-19 08:31:11,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:11,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:31:11,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:11,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:31:11,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:31:11,763 INFO L87 Difference]: Start difference. First operand 7468 states and 10084 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:31:16,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:17,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:17,712 INFO L93 Difference]: Finished difference Result 7570 states and 10177 transitions. [2022-11-19 08:31:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 08:31:17,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2022-11-19 08:31:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:17,748 INFO L225 Difference]: With dead ends: 7570 [2022-11-19 08:31:17,749 INFO L226 Difference]: Without dead ends: 7568 [2022-11-19 08:31:17,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:31:17,756 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1278 mSDsluCounter, 4855 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 6308 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:17,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 6308 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1486 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-19 08:31:17,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2022-11-19 08:31:18,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 7468. [2022-11-19 08:31:18,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7468 states, 4339 states have (on average 1.2528232311592533) internal successors, (5436), 4548 states have internal predecessors, (5436), 2312 states have call successors, (2312), 788 states have call predecessors, (2312), 781 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-19 08:31:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7468 states to 7468 states and 10080 transitions. [2022-11-19 08:31:18,538 INFO L78 Accepts]: Start accepts. Automaton has 7468 states and 10080 transitions. Word has length 123 [2022-11-19 08:31:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:18,539 INFO L495 AbstractCegarLoop]: Abstraction has 7468 states and 10080 transitions. [2022-11-19 08:31:18,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:31:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7468 states and 10080 transitions. [2022-11-19 08:31:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 08:31:18,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:18,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:18,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 08:31:18,542 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:18,542 INFO L85 PathProgramCache]: Analyzing trace with hash 114628181, now seen corresponding path program 1 times [2022-11-19 08:31:18,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:18,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991454082] [2022-11-19 08:31:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:18,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:18,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:18,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:18,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991454082] [2022-11-19 08:31:18,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991454082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:18,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:18,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:18,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994631426] [2022-11-19 08:31:18,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:18,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:18,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:18,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:18,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:18,795 INFO L87 Difference]: Start difference. First operand 7468 states and 10080 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:31:21,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:22,913 INFO L93 Difference]: Finished difference Result 7568 states and 10172 transitions. [2022-11-19 08:31:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2022-11-19 08:31:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:22,944 INFO L225 Difference]: With dead ends: 7568 [2022-11-19 08:31:22,945 INFO L226 Difference]: Without dead ends: 7566 [2022-11-19 08:31:22,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:22,950 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1266 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:22,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:31:22,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2022-11-19 08:31:23,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7474. [2022-11-19 08:31:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7474 states, 4342 states have (on average 1.2526485490557346) internal successors, (5439), 4551 states have internal predecessors, (5439), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-19 08:31:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7474 states to 7474 states and 10087 transitions. [2022-11-19 08:31:23,733 INFO L78 Accepts]: Start accepts. Automaton has 7474 states and 10087 transitions. Word has length 95 [2022-11-19 08:31:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:23,734 INFO L495 AbstractCegarLoop]: Abstraction has 7474 states and 10087 transitions. [2022-11-19 08:31:23,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 08:31:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7474 states and 10087 transitions. [2022-11-19 08:31:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-19 08:31:23,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:23,736 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:23,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 08:31:23,737 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:23,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 435919057, now seen corresponding path program 1 times [2022-11-19 08:31:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:23,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234370622] [2022-11-19 08:31:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-19 08:31:24,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:24,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234370622] [2022-11-19 08:31:24,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234370622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:24,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:24,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:31:24,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001880320] [2022-11-19 08:31:24,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:24,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:31:24,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:24,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:31:24,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:31:24,073 INFO L87 Difference]: Start difference. First operand 7474 states and 10087 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:31:26,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:27,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:27,854 INFO L93 Difference]: Finished difference Result 14998 states and 20261 transitions. [2022-11-19 08:31:27,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:31:27,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2022-11-19 08:31:27,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:27,890 INFO L225 Difference]: With dead ends: 14998 [2022-11-19 08:31:27,890 INFO L226 Difference]: Without dead ends: 7556 [2022-11-19 08:31:27,931 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 [2022-11-19 08:31:27,932 INFO L413 NwaCegarLoop]: 1453 mSDtfsCounter, 1253 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 2561 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:27,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 2561 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-19 08:31:27,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2022-11-19 08:31:28,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7466. [2022-11-19 08:31:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7466 states, 4334 states have (on average 1.251269035532995) internal successors, (5423), 4543 states have internal predecessors, (5423), 2314 states have call successors, (2314), 789 states have call predecessors, (2314), 782 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-19 08:31:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7466 states to 7466 states and 10071 transitions. [2022-11-19 08:31:28,587 INFO L78 Accepts]: Start accepts. Automaton has 7466 states and 10071 transitions. Word has length 126 [2022-11-19 08:31:28,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:28,589 INFO L495 AbstractCegarLoop]: Abstraction has 7466 states and 10071 transitions. [2022-11-19 08:31:28,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 08:31:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 7466 states and 10071 transitions. [2022-11-19 08:31:28,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-19 08:31:28,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:28,592 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:28,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 08:31:28,593 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:28,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash -476971613, now seen corresponding path program 1 times [2022-11-19 08:31:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:28,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587100347] [2022-11-19 08:31:28,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:28,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-19 08:31:29,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:29,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587100347] [2022-11-19 08:31:29,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587100347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:29,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:29,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:31:29,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455139197] [2022-11-19 08:31:29,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:29,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:31:29,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:29,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:31:29,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:29,290 INFO L87 Difference]: Start difference. First operand 7466 states and 10071 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 08:31:32,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:33,391 INFO L93 Difference]: Finished difference Result 7490 states and 10089 transitions. [2022-11-19 08:31:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2022-11-19 08:31:33,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:33,420 INFO L225 Difference]: With dead ends: 7490 [2022-11-19 08:31:33,420 INFO L226 Difference]: Without dead ends: 7488 [2022-11-19 08:31:33,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:31:33,425 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 89 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:33,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 4582 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-19 08:31:33,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7488 states. [2022-11-19 08:31:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7488 to 7471. [2022-11-19 08:31:33,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7471 states, 4338 states have (on average 1.2494236975564776) internal successors, (5420), 4547 states have internal predecessors, (5420), 2312 states have call successors, (2312), 792 states have call predecessors, (2312), 785 states have return successors, (2332), 2247 states have call predecessors, (2332), 2310 states have call successors, (2332) [2022-11-19 08:31:33,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 10064 transitions. [2022-11-19 08:31:33,997 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 10064 transitions. Word has length 129 [2022-11-19 08:31:33,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:33,998 INFO L495 AbstractCegarLoop]: Abstraction has 7471 states and 10064 transitions. [2022-11-19 08:31:33,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-19 08:31:33,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 10064 transitions. [2022-11-19 08:31:33,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-19 08:31:33,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:33,999 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:33,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 08:31:34,000 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:34,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:34,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1157791755, now seen corresponding path program 1 times [2022-11-19 08:31:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:34,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260382222] [2022-11-19 08:31:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:34,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:34,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:34,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260382222] [2022-11-19 08:31:34,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260382222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:34,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:34,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403105930] [2022-11-19 08:31:34,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:34,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:34,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:34,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:34,288 INFO L87 Difference]: Start difference. First operand 7471 states and 10064 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:31:37,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:38,499 INFO L93 Difference]: Finished difference Result 7561 states and 10146 transitions. [2022-11-19 08:31:38,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:38,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-11-19 08:31:38,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:38,522 INFO L225 Difference]: With dead ends: 7561 [2022-11-19 08:31:38,523 INFO L226 Difference]: Without dead ends: 7559 [2022-11-19 08:31:38,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:38,528 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1258 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 4012 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:38,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 4012 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:31:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2022-11-19 08:31:39,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7477. [2022-11-19 08:31:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7477 states, 4341 states have (on average 1.24925132457959) internal successors, (5423), 4550 states have internal predecessors, (5423), 2314 states have call successors, (2314), 793 states have call predecessors, (2314), 786 states have return successors, (2334), 2249 states have call predecessors, (2334), 2312 states have call successors, (2334) [2022-11-19 08:31:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7477 states to 7477 states and 10071 transitions. [2022-11-19 08:31:39,238 INFO L78 Accepts]: Start accepts. Automaton has 7477 states and 10071 transitions. Word has length 100 [2022-11-19 08:31:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:39,239 INFO L495 AbstractCegarLoop]: Abstraction has 7477 states and 10071 transitions. [2022-11-19 08:31:39,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 08:31:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 7477 states and 10071 transitions. [2022-11-19 08:31:39,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 08:31:39,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:39,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:39,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 08:31:39,242 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:39,242 INFO L85 PathProgramCache]: Analyzing trace with hash -929126191, now seen corresponding path program 1 times [2022-11-19 08:31:39,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:39,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204741185] [2022-11-19 08:31:39,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:39,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:39,545 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:39,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:39,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204741185] [2022-11-19 08:31:39,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204741185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:39,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:39,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:39,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294149171] [2022-11-19 08:31:39,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:39,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:39,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:39,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:39,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:39,551 INFO L87 Difference]: Start difference. First operand 7477 states and 10071 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:31:43,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:44,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:44,249 INFO L93 Difference]: Finished difference Result 9272 states and 12389 transitions. [2022-11-19 08:31:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:44,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2022-11-19 08:31:44,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:44,296 INFO L225 Difference]: With dead ends: 9272 [2022-11-19 08:31:44,297 INFO L226 Difference]: Without dead ends: 9270 [2022-11-19 08:31:44,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:44,305 INFO L413 NwaCegarLoop]: 1492 mSDtfsCounter, 1209 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:44,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 4057 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-19 08:31:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9270 states. [2022-11-19 08:31:45,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9270 to 9153. [2022-11-19 08:31:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9153 states, 5338 states have (on average 1.247658298988385) internal successors, (6660), 5584 states have internal predecessors, (6660), 2798 states have call successors, (2798), 989 states have call predecessors, (2798), 981 states have return successors, (2827), 2719 states have call predecessors, (2827), 2796 states have call successors, (2827) [2022-11-19 08:31:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9153 states to 9153 states and 12285 transitions. [2022-11-19 08:31:45,442 INFO L78 Accepts]: Start accepts. Automaton has 9153 states and 12285 transitions. Word has length 105 [2022-11-19 08:31:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:45,442 INFO L495 AbstractCegarLoop]: Abstraction has 9153 states and 12285 transitions. [2022-11-19 08:31:45,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:31:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9153 states and 12285 transitions. [2022-11-19 08:31:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 08:31:45,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:45,445 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:45,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 08:31:45,445 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:45,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:45,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1128860326, now seen corresponding path program 1 times [2022-11-19 08:31:45,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:45,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347712159] [2022-11-19 08:31:45,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:45,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:45,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:45,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347712159] [2022-11-19 08:31:45,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347712159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:45,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:45,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:45,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412845274] [2022-11-19 08:31:45,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:45,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:45,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:45,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:45,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:45,995 INFO L87 Difference]: Start difference. First operand 9153 states and 12285 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 08:31:49,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:50,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:50,403 INFO L93 Difference]: Finished difference Result 9259 states and 12381 transitions. [2022-11-19 08:31:50,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:50,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2022-11-19 08:31:50,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:50,436 INFO L225 Difference]: With dead ends: 9259 [2022-11-19 08:31:50,437 INFO L226 Difference]: Without dead ends: 9257 [2022-11-19 08:31:50,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:50,445 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1254 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:50,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:31:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9257 states. [2022-11-19 08:31:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9257 to 9193. [2022-11-19 08:31:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9193 states, 5362 states have (on average 1.2474822827303245) internal successors, (6689), 5608 states have internal predecessors, (6689), 2806 states have call successors, (2806), 997 states have call predecessors, (2806), 989 states have return successors, (2835), 2727 states have call predecessors, (2835), 2804 states have call successors, (2835) [2022-11-19 08:31:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9193 states to 9193 states and 12330 transitions. [2022-11-19 08:31:51,373 INFO L78 Accepts]: Start accepts. Automaton has 9193 states and 12330 transitions. Word has length 110 [2022-11-19 08:31:51,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:51,374 INFO L495 AbstractCegarLoop]: Abstraction has 9193 states and 12330 transitions. [2022-11-19 08:31:51,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 08:31:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 9193 states and 12330 transitions. [2022-11-19 08:31:51,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-19 08:31:51,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:51,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:51,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 08:31:51,377 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:51,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:51,378 INFO L85 PathProgramCache]: Analyzing trace with hash -270282137, now seen corresponding path program 1 times [2022-11-19 08:31:51,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:51,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696500396] [2022-11-19 08:31:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:51,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:51,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696500396] [2022-11-19 08:31:51,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696500396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:51,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:51,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:51,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741276480] [2022-11-19 08:31:51,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:51,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:51,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:51,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:51,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:51,646 INFO L87 Difference]: Start difference. First operand 9193 states and 12330 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:31:54,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:31:56,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:31:56,021 INFO L93 Difference]: Finished difference Result 9257 states and 12378 transitions. [2022-11-19 08:31:56,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:31:56,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2022-11-19 08:31:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:31:56,046 INFO L225 Difference]: With dead ends: 9257 [2022-11-19 08:31:56,046 INFO L226 Difference]: Without dead ends: 9255 [2022-11-19 08:31:56,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:31:56,050 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1251 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1253 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:31:56,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1253 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 08:31:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2022-11-19 08:31:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9198. [2022-11-19 08:31:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9198 states, 5365 states have (on average 1.2471575023299162) internal successors, (6691), 5611 states have internal predecessors, (6691), 2807 states have call successors, (2807), 998 states have call predecessors, (2807), 990 states have return successors, (2836), 2728 states have call predecessors, (2836), 2805 states have call successors, (2836) [2022-11-19 08:31:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9198 states to 9198 states and 12334 transitions. [2022-11-19 08:31:56,838 INFO L78 Accepts]: Start accepts. Automaton has 9198 states and 12334 transitions. Word has length 115 [2022-11-19 08:31:56,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:31:56,839 INFO L495 AbstractCegarLoop]: Abstraction has 9198 states and 12334 transitions. [2022-11-19 08:31:56,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 08:31:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 9198 states and 12334 transitions. [2022-11-19 08:31:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 08:31:56,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:31:56,842 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:31:56,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 08:31:56,843 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:31:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:31:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1160499627, now seen corresponding path program 1 times [2022-11-19 08:31:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:31:56,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535062179] [2022-11-19 08:31:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:31:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:31:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:31:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:31:57,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:31:57,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535062179] [2022-11-19 08:31:57,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535062179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:31:57,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:31:57,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:31:57,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859412504] [2022-11-19 08:31:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:31:57,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:31:57,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:31:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:31:57,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:31:57,087 INFO L87 Difference]: Start difference. First operand 9198 states and 12334 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:32:00,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:32:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:01,504 INFO L93 Difference]: Finished difference Result 9255 states and 12375 transitions. [2022-11-19 08:32:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:32:01,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-19 08:32:01,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:01,532 INFO L225 Difference]: With dead ends: 9255 [2022-11-19 08:32:01,532 INFO L226 Difference]: Without dead ends: 9253 [2022-11-19 08:32:01,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:32:01,537 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1248 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1250 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:01,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1250 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-19 08:32:01,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-11-19 08:32:02,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 9203. [2022-11-19 08:32:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9203 states, 5368 states have (on average 1.246833084947839) internal successors, (6693), 5614 states have internal predecessors, (6693), 2808 states have call successors, (2808), 999 states have call predecessors, (2808), 991 states have return successors, (2837), 2729 states have call predecessors, (2837), 2806 states have call successors, (2837) [2022-11-19 08:32:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9203 states to 9203 states and 12338 transitions. [2022-11-19 08:32:02,564 INFO L78 Accepts]: Start accepts. Automaton has 9203 states and 12338 transitions. Word has length 120 [2022-11-19 08:32:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:02,565 INFO L495 AbstractCegarLoop]: Abstraction has 9203 states and 12338 transitions. [2022-11-19 08:32:02,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 08:32:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9203 states and 12338 transitions. [2022-11-19 08:32:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 08:32:02,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:02,567 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:32:02,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 08:32:02,567 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:32:02,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:02,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1312275688, now seen corresponding path program 1 times [2022-11-19 08:32:02,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:02,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330017427] [2022-11-19 08:32:02,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:02,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 08:32:02,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:02,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330017427] [2022-11-19 08:32:02,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330017427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:32:02,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:32:02,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:32:02,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733828595] [2022-11-19 08:32:02,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:32:02,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:32:02,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:32:02,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:32:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:32:02,827 INFO L87 Difference]: Start difference. First operand 9203 states and 12338 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 08:32:05,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:32:07,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:32:07,141 INFO L93 Difference]: Finished difference Result 9253 states and 12372 transitions. [2022-11-19 08:32:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:32:07,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-19 08:32:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:32:07,177 INFO L225 Difference]: With dead ends: 9253 [2022-11-19 08:32:07,177 INFO L226 Difference]: Without dead ends: 9251 [2022-11-19 08:32:07,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:32:07,184 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 1245 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:32:07,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 4044 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 08:32:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9251 states. [2022-11-19 08:32:08,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9251 to 9208. [2022-11-19 08:32:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9208 states, 5371 states have (on average 1.246509029975796) internal successors, (6695), 5617 states have internal predecessors, (6695), 2809 states have call successors, (2809), 1000 states have call predecessors, (2809), 992 states have return successors, (2838), 2730 states have call predecessors, (2838), 2807 states have call successors, (2838) [2022-11-19 08:32:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9208 states to 9208 states and 12342 transitions. [2022-11-19 08:32:08,067 INFO L78 Accepts]: Start accepts. Automaton has 9208 states and 12342 transitions. Word has length 125 [2022-11-19 08:32:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:32:08,067 INFO L495 AbstractCegarLoop]: Abstraction has 9208 states and 12342 transitions. [2022-11-19 08:32:08,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 08:32:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 9208 states and 12342 transitions. [2022-11-19 08:32:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-19 08:32:08,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:32:08,069 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:32:08,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 08:32:08,069 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-19 08:32:08,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:32:08,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1832114522, now seen corresponding path program 1 times [2022-11-19 08:32:08,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:32:08,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008088555] [2022-11-19 08:32:08,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:08,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:32:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-19 08:32:09,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:32:09,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008088555] [2022-11-19 08:32:09,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008088555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:32:09,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363017503] [2022-11-19 08:32:09,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:32:09,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:32:09,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:32:09,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:32:09,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cb6595a-770a-4b58-85ad-630f61c46cb2/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:32:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:32:10,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-19 08:32:10,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:32:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-19 08:32:11,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:32:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-19 08:32:11,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363017503] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:32:11,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1957251655] [2022-11-19 08:32:11,703 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-19 08:32:11,703 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:32:11,708 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:32:11,715 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:32:11,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:32:14,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:32:14,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:32:14,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:32:14,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 08:32:53,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:32:53,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:33:03,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 08:33:03,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:33:03,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,525 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 08:33:03,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 52 select indices, 52 select index equivalence classes, 374 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 2 case distinctions, treesize of input 484 treesize of output 640 [2022-11-19 08:33:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:03,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-19 08:33:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:33:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,239 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-19 08:33:04,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 52 select indices, 52 select index equivalence classes, 374 disjoint index pairs (out of 1326 index pairs), introduced 52 new quantified variables, introduced 2 case distinctions, treesize of input 476 treesize of output 636 [2022-11-19 08:33:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:04,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,006 INFO L217 Elim1Store]: Index analysis took 147 ms [2022-11-19 08:33:05,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:33:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:33:05,255 INFO L321 Elim1Store]: treesize reduction 96, result has 41.1 percent of original size [2022-11-19 08:33:05,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 80 select indices, 80 select index equivalence classes, 775 disjoint index pairs (out of 3160 index pairs), introduced 80 new quantified variables, introduced 6 case distinctions, treesize of input 708 treesize of output 957 [2022-11-19 08:33:05,915 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-19 08:33:06,465 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-19 08:33:34,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:34,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:35,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:35,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:36,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:37,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:37,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:38,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:41,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:33:41,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:42,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:44,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:45,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:47,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:48,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:50,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:50,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:33:52,231 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-19 08:33:52,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-19 08:34:30,224 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2022-11-19 08:34:42,288 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_net_register_reset_error_counter with input of size 291 for LOIs [2022-11-19 08:34:42,557 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 214 for LOIs [2022-11-19 08:34:42,617 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_free with input of size 292 for LOIs [2022-11-19 08:34:42,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 08:34:42,956 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 289 for LOIs [2022-11-19 08:34:44,911 INFO L197 IcfgInterpreter]: Interpreting procedure unregister_blkdev with input of size 294 for LOIs [2022-11-19 08:34:45,140 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assert_linux_lib_idr__not_initialized with input of size 292 for LOIs [2022-11-19 08:34:45,825 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_usb_register_reset_error_counter with input of size 290 for LOIs [2022-11-19 08:34:46,050 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 1548 for LOIs [2022-11-19 08:34:51,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:34:54,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:34:59,473 INFO L217 Elim1Store]: Index analysis took 247 ms [2022-11-19 08:35:38,448 WARN L233 SmtUtils]: Spent 38.94s on a formula simplification. DAG size of input: 1467 DAG size of output: 1201 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:35:38,453 INFO L321 Elim1Store]: treesize reduction 1330, result has 63.0 percent of original size [2022-11-19 08:35:38,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 135 select indices, 135 select index equivalence classes, 8912 disjoint index pairs (out of 9045 index pairs), introduced 136 new quantified variables, introduced 266 case distinctions, treesize of input 3747 treesize of output 5746 [2022-11-19 08:35:40,919 INFO L217 Elim1Store]: Index analysis took 1433 ms [2022-11-19 08:36:15,427 WARN L233 SmtUtils]: Spent 34.48s on a formula simplification. DAG size of input: 1203 DAG size of output: 801 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:36:15,431 INFO L321 Elim1Store]: treesize reduction 1596, result has 42.9 percent of original size [2022-11-19 08:36:15,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 133 select indices, 133 select index equivalence classes, 8779 disjoint index pairs (out of 8778 index pairs), introduced 134 new quantified variables, introduced 133 case distinctions, treesize of input 3476 treesize of output 4410 [2022-11-19 08:40:25,416 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 1583 DAG size of output: 1583 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-19 08:41:04,698 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 1585 DAG size of output: 1585 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)