./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--nfc--port100.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V --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 f843593f0803d80f01f7de6a35e44c612d96487902b3c8b67a12b88481e60963 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:57:56,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:57:56,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:57:56,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:57:56,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:57:56,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:57:56,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:57:56,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:57:56,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:57:56,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:57:56,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:57:56,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:57:57,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:57:57,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:57:57,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:57:57,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:57:57,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:57:57,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:57:57,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:57:57,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:57:57,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:57:57,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:57:57,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:57:57,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:57:57,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:57:57,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:57:57,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:57:57,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:57:57,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:57:57,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:57:57,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:57:57,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:57:57,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:57:57,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:57:57,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:57:57,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:57:57,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:57:57,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:57:57,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:57:57,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:57:57,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:57:57,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:57:57,116 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:57:57,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:57:57,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:57:57,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:57:57,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:57:57,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:57:57,126 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:57:57,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:57:57,126 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:57:57,127 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:57:57,128 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:57:57,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:57:57,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:57:57,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:57:57,129 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:57:57,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:57:57,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:57:57,130 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:57:57,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:57:57,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:57:57,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:57:57,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:57:57,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:57:57,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:57:57,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:57:57,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:57:57,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:57:57,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:57:57,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:57:57,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:57:57,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:57:57,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:57:57,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:57:57,136 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:57:57,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:57:57,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:57:57,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:57:57,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:57:57,138 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f843593f0803d80f01f7de6a35e44c612d96487902b3c8b67a12b88481e60963 [2021-11-23 01:57:57,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:57:57,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:57:57,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:57:57,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:57:57,485 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:57:57,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-11-23 01:57:57,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/data/22149ebda/282d5bb567b841eb8cbde3961c61d4ab/FLAG0a8792457 [2021-11-23 01:57:58,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:57:58,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-11-23 01:57:58,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/data/22149ebda/282d5bb567b841eb8cbde3961c61d4ab/FLAG0a8792457 [2021-11-23 01:57:58,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/data/22149ebda/282d5bb567b841eb8cbde3961c61d4ab [2021-11-23 01:57:58,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:57:58,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:57:58,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:57:58,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:57:58,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:57:58,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:58" (1/1) ... [2021-11-23 01:57:58,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627c241e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:58, skipping insertion in model container [2021-11-23 01:57:58,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:58" (1/1) ... [2021-11-23 01:57:58,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:57:59,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:58:01,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291738,291751] [2021-11-23 01:58:01,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291883,291896] [2021-11-23 01:58:01,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292029,292042] [2021-11-23 01:58:01,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292194,292207] [2021-11-23 01:58:01,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292352,292365] [2021-11-23 01:58:01,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292510,292523] [2021-11-23 01:58:01,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292668,292681] [2021-11-23 01:58:01,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292828,292841] [2021-11-23 01:58:01,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292987,293000] [2021-11-23 01:58:01,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293126,293139] [2021-11-23 01:58:01,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293268,293281] [2021-11-23 01:58:01,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293417,293430] [2021-11-23 01:58:01,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293556,293569] [2021-11-23 01:58:01,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293711,293724] [2021-11-23 01:58:01,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293871,293884] [2021-11-23 01:58:01,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294022,294035] [2021-11-23 01:58:01,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294173,294186] [2021-11-23 01:58:02,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294325,294338] [2021-11-23 01:58:02,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294474,294487] [2021-11-23 01:58:02,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294622,294635] [2021-11-23 01:58:02,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294779,294792] [2021-11-23 01:58:02,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294928,294941] [2021-11-23 01:58:02,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295084,295097] [2021-11-23 01:58:02,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295237,295250] [2021-11-23 01:58:02,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295383,295396] [2021-11-23 01:58:02,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295526,295539] [2021-11-23 01:58:02,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295678,295691] [2021-11-23 01:58:02,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295824,295837] [2021-11-23 01:58:02,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295969,295982] [2021-11-23 01:58:02,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296123,296136] [2021-11-23 01:58:02,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296274,296287] [2021-11-23 01:58:02,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296429,296442] [2021-11-23 01:58:02,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296581,296594] [2021-11-23 01:58:02,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296736,296749] [2021-11-23 01:58:02,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296900,296913] [2021-11-23 01:58:02,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297056,297069] [2021-11-23 01:58:02,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297220,297233] [2021-11-23 01:58:02,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297362,297375] [2021-11-23 01:58:02,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297520,297533] [2021-11-23 01:58:02,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297687,297700] [2021-11-23 01:58:02,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297846,297859] [2021-11-23 01:58:02,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298005,298018] [2021-11-23 01:58:02,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298154,298167] [2021-11-23 01:58:02,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298301,298314] [2021-11-23 01:58:02,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298440,298453] [2021-11-23 01:58:02,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298603,298616] [2021-11-23 01:58:02,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298769,298782] [2021-11-23 01:58:02,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298933,298946] [2021-11-23 01:58:02,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299098,299111] [2021-11-23 01:58:02,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299263,299276] [2021-11-23 01:58:02,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299429,299442] [2021-11-23 01:58:02,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299594,299607] [2021-11-23 01:58:02,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299761,299774] [2021-11-23 01:58:02,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299921,299934] [2021-11-23 01:58:02,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300083,300096] [2021-11-23 01:58:02,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300242,300255] [2021-11-23 01:58:02,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300388,300401] [2021-11-23 01:58:02,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300531,300544] [2021-11-23 01:58:02,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300675,300688] [2021-11-23 01:58:02,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300818,300831] [2021-11-23 01:58:02,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300962,300975] [2021-11-23 01:58:02,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301103,301116] [2021-11-23 01:58:02,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301241,301254] [2021-11-23 01:58:02,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301399,301412] [2021-11-23 01:58:02,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301558,301571] [2021-11-23 01:58:02,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301714,301727] [2021-11-23 01:58:02,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301863,301876] [2021-11-23 01:58:02,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302015,302028] [2021-11-23 01:58:02,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302166,302179] [2021-11-23 01:58:02,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302315,302328] [2021-11-23 01:58:02,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302467,302480] [2021-11-23 01:58:02,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302615,302628] [2021-11-23 01:58:02,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302768,302781] [2021-11-23 01:58:02,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302919,302932] [2021-11-23 01:58:02,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303069,303082] [2021-11-23 01:58:02,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303216,303229] [2021-11-23 01:58:02,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303367,303380] [2021-11-23 01:58:02,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303518,303531] [2021-11-23 01:58:02,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303666,303679] [2021-11-23 01:58:02,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303832,303845] [2021-11-23 01:58:02,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304001,304014] [2021-11-23 01:58:02,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304168,304181] [2021-11-23 01:58:02,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304336,304349] [2021-11-23 01:58:02,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304486,304499] [2021-11-23 01:58:02,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304633,304646] [2021-11-23 01:58:02,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304794,304807] [2021-11-23 01:58:02,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304964,304977] [2021-11-23 01:58:02,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[305126,305139] [2021-11-23 01:58:02,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:58:02,149 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:58:02,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291738,291751] [2021-11-23 01:58:02,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[291883,291896] [2021-11-23 01:58:02,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292029,292042] [2021-11-23 01:58:02,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292194,292207] [2021-11-23 01:58:02,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292352,292365] [2021-11-23 01:58:02,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292510,292523] [2021-11-23 01:58:02,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292668,292681] [2021-11-23 01:58:02,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292828,292841] [2021-11-23 01:58:02,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[292987,293000] [2021-11-23 01:58:02,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293126,293139] [2021-11-23 01:58:02,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293268,293281] [2021-11-23 01:58:02,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293417,293430] [2021-11-23 01:58:02,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293556,293569] [2021-11-23 01:58:02,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293711,293724] [2021-11-23 01:58:02,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[293871,293884] [2021-11-23 01:58:02,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294022,294035] [2021-11-23 01:58:02,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294173,294186] [2021-11-23 01:58:02,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294325,294338] [2021-11-23 01:58:02,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294474,294487] [2021-11-23 01:58:02,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294622,294635] [2021-11-23 01:58:02,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294779,294792] [2021-11-23 01:58:02,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[294928,294941] [2021-11-23 01:58:02,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295084,295097] [2021-11-23 01:58:02,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295237,295250] [2021-11-23 01:58:02,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295383,295396] [2021-11-23 01:58:02,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295526,295539] [2021-11-23 01:58:02,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295678,295691] [2021-11-23 01:58:02,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295824,295837] [2021-11-23 01:58:02,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[295969,295982] [2021-11-23 01:58:02,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296123,296136] [2021-11-23 01:58:02,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296274,296287] [2021-11-23 01:58:02,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296429,296442] [2021-11-23 01:58:02,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296581,296594] [2021-11-23 01:58:02,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296736,296749] [2021-11-23 01:58:02,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[296900,296913] [2021-11-23 01:58:02,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297056,297069] [2021-11-23 01:58:02,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297220,297233] [2021-11-23 01:58:02,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297362,297375] [2021-11-23 01:58:02,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297520,297533] [2021-11-23 01:58:02,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297687,297700] [2021-11-23 01:58:02,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[297846,297859] [2021-11-23 01:58:02,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298005,298018] [2021-11-23 01:58:02,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298154,298167] [2021-11-23 01:58:02,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298301,298314] [2021-11-23 01:58:02,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298440,298453] [2021-11-23 01:58:02,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298603,298616] [2021-11-23 01:58:02,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298769,298782] [2021-11-23 01:58:02,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[298933,298946] [2021-11-23 01:58:02,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299098,299111] [2021-11-23 01:58:02,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299263,299276] [2021-11-23 01:58:02,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299429,299442] [2021-11-23 01:58:02,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299594,299607] [2021-11-23 01:58:02,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299761,299774] [2021-11-23 01:58:02,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[299921,299934] [2021-11-23 01:58:02,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300083,300096] [2021-11-23 01:58:02,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300242,300255] [2021-11-23 01:58:02,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300388,300401] [2021-11-23 01:58:02,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300531,300544] [2021-11-23 01:58:02,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300675,300688] [2021-11-23 01:58:02,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300818,300831] [2021-11-23 01:58:02,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[300962,300975] [2021-11-23 01:58:02,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301103,301116] [2021-11-23 01:58:02,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301241,301254] [2021-11-23 01:58:02,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301399,301412] [2021-11-23 01:58:02,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301558,301571] [2021-11-23 01:58:02,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301714,301727] [2021-11-23 01:58:02,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[301863,301876] [2021-11-23 01:58:02,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302015,302028] [2021-11-23 01:58:02,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302166,302179] [2021-11-23 01:58:02,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302315,302328] [2021-11-23 01:58:02,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302467,302480] [2021-11-23 01:58:02,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302615,302628] [2021-11-23 01:58:02,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302768,302781] [2021-11-23 01:58:02,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[302919,302932] [2021-11-23 01:58:02,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303069,303082] [2021-11-23 01:58:02,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303216,303229] [2021-11-23 01:58:02,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303367,303380] [2021-11-23 01:58:02,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303518,303531] [2021-11-23 01:58:02,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303666,303679] [2021-11-23 01:58:02,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[303832,303845] [2021-11-23 01:58:02,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304001,304014] [2021-11-23 01:58:02,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304168,304181] [2021-11-23 01:58:02,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304336,304349] [2021-11-23 01:58:02,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304486,304499] [2021-11-23 01:58:02,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304633,304646] [2021-11-23 01:58:02,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304794,304807] [2021-11-23 01:58:02,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[304964,304977] [2021-11-23 01:58:02,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--nfc--port100.ko.cil.i[305126,305139] [2021-11-23 01:58:02,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:58:02,874 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:58:02,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02 WrapperNode [2021-11-23 01:58:02,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:58:02,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:58:02,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:58:02,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:58:02,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,213 INFO L137 Inliner]: procedures = 519, calls = 2096, calls flagged for inlining = 234, calls inlined = 146, statements flattened = 3298 [2021-11-23 01:58:03,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:58:03,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:58:03,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:58:03,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:58:03,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:58:03,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:58:03,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:58:03,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:58:03,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (1/1) ... [2021-11-23 01:58:03,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:58:03,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:58:03,480 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:58:03,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:58:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 01:58:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 01:58:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 01:58:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 01:58:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 01:58:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 01:58:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:58:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:58:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 01:58:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 01:58:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_async [2021-11-23 01:58:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_async [2021-11-23 01:58:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-23 01:58:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-23 01:58:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 01:58:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 01:58:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 01:58:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 01:58:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 01:58:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 01:58:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-23 01:58:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-23 01:58:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:58:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-23 01:58:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-23 01:58:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_send_cmd [2021-11-23 01:58:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_send_cmd [2021-11-23 01:58:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:58:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:58:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-23 01:58:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-23 01:58:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 01:58:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 01:58:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 01:58:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 01:58:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:58:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 01:58:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 01:58:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 01:58:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 01:58:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 01:58:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 01:58:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure port100_alloc_skb [2021-11-23 01:58:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_alloc_skb [2021-11-23 01:58:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 01:58:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 01:58:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 01:58:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 01:58:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-23 01:58:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-23 01:58:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 01:58:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 01:58:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 01:58:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 01:58:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure port100_checksum [2021-11-23 01:58:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_checksum [2021-11-23 01:58:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 01:58:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_get_drvdata [2021-11-23 01:58:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_get_drvdata [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:58:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:58:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2021-11-23 01:58:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2021-11-23 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure port100_abort_cmd [2021-11-23 01:58:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_abort_cmd [2021-11-23 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-23 01:58:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-11-23 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 01:58:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 01:58:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 01:58:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure port100_send_cmd_sync [2021-11-23 01:58:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_send_cmd_sync [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:58:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 01:58:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:58:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 01:58:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 01:58:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-23 01:58:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-23 01:58:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 01:58:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 01:58:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:58:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:58:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-23 01:58:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-23 01:58:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-23 01:58:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-11-23 01:58:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 01:58:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 01:58:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 01:58:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 01:58:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 01:58:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 01:58:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:58:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 01:58:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 01:58:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:58:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:58:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_digital_free_device [2021-11-23 01:58:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_digital_free_device [2021-11-23 01:58:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 01:58:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 01:58:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 01:58:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 01:58:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 01:58:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 01:58:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 01:58:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 01:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 01:58:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 01:58:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-23 01:58:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-11-23 01:58:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-23 01:58:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-11-23 01:58:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 01:58:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 01:58:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 01:58:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 01:58:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 01:58:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 01:58:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 01:58:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 01:58:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 01:58:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 01:58:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:58:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:58:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:58:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 01:58:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 01:58:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure port100_data_checksum [2021-11-23 01:58:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_data_checksum [2021-11-23 01:58:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:58:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:58:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 01:58:03,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 01:58:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-23 01:58:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-23 01:58:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 01:58:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 01:58:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure port100_tg_configure_hw [2021-11-23 01:58:03,602 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_tg_configure_hw [2021-11-23 01:58:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure port100_disconnect [2021-11-23 01:58:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure port100_disconnect [2021-11-23 01:58:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 01:58:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 01:58:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:58:04,319 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:58:04,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:58:04,436 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 01:58:16,535 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:58:17,059 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:58:17,059 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:58:17,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:17 BoogieIcfgContainer [2021-11-23 01:58:17,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:58:17,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:58:17,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:58:17,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:58:17,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:57:58" (1/3) ... [2021-11-23 01:58:17,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb61bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:17, skipping insertion in model container [2021-11-23 01:58:17,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:58:02" (2/3) ... [2021-11-23 01:58:17,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb61bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:58:17, skipping insertion in model container [2021-11-23 01:58:17,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:58:17" (3/3) ... [2021-11-23 01:58:17,075 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--nfc--port100.ko.cil.i [2021-11-23 01:58:17,083 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:58:17,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-23 01:58:17,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:58:17,173 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:58:17,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-23 01:58:17,229 INFO L276 IsEmpty]: Start isEmpty. Operand has 796 states, 458 states have (on average 1.314410480349345) internal successors, (602), 494 states have internal predecessors, (602), 240 states have call successors, (240), 69 states have call predecessors, (240), 68 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) [2021-11-23 01:58:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:58:17,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:17,241 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:17,242 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:17,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash -530297941, now seen corresponding path program 1 times [2021-11-23 01:58:17,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:17,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182966981] [2021-11-23 01:58:17,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:17,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:18,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:18,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182966981] [2021-11-23 01:58:18,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182966981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:18,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:18,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:18,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188999446] [2021-11-23 01:58:18,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:18,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:18,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:18,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:18,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:18,069 INFO L87 Difference]: Start difference. First operand has 796 states, 458 states have (on average 1.314410480349345) internal successors, (602), 494 states have internal predecessors, (602), 240 states have call successors, (240), 69 states have call predecessors, (240), 68 states have return successors, (236), 236 states have call predecessors, (236), 236 states have call successors, (236) 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, (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) [2021-11-23 01:58:21,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:21,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:21,950 INFO L93 Difference]: Finished difference Result 1564 states and 2197 transitions. [2021-11-23 01:58:21,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:21,953 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, (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 51 [2021-11-23 01:58:21,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:21,987 INFO L225 Difference]: With dead ends: 1564 [2021-11-23 01:58:21,988 INFO L226 Difference]: Without dead ends: 813 [2021-11-23 01:58:22,005 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:22,009 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 996 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:22,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1002 Valid, 1901 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 01:58:22,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2021-11-23 01:58:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 807. [2021-11-23 01:58:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 466 states have (on average 1.242489270386266) internal successors, (579), 498 states have internal predecessors, (579), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1055 transitions. [2021-11-23 01:58:22,147 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1055 transitions. Word has length 51 [2021-11-23 01:58:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:22,148 INFO L470 AbstractCegarLoop]: Abstraction has 807 states and 1055 transitions. [2021-11-23 01:58:22,148 INFO L471 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, (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) [2021-11-23 01:58:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1055 transitions. [2021-11-23 01:58:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:58:22,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:22,152 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:22,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:58:22,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:22,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash 928292656, now seen corresponding path program 1 times [2021-11-23 01:58:22,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:22,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199967994] [2021-11-23 01:58:22,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:22,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:22,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:22,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199967994] [2021-11-23 01:58:22,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199967994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:22,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:22,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:22,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786515150] [2021-11-23 01:58:22,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:22,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:22,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:22,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:22,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:22,407 INFO L87 Difference]: Start difference. First operand 807 states and 1055 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, (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) [2021-11-23 01:58:25,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:26,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:26,112 INFO L93 Difference]: Finished difference Result 813 states and 1062 transitions. [2021-11-23 01:58:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:26,113 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, (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 56 [2021-11-23 01:58:26,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:26,122 INFO L225 Difference]: With dead ends: 813 [2021-11-23 01:58:26,122 INFO L226 Difference]: Without dead ends: 811 [2021-11-23 01:58:26,123 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:26,124 INFO L933 BasicCegarLoop]: 912 mSDtfsCounter, 978 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 984 SdHoareTripleChecker+Valid, 1869 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:26,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [984 Valid, 1869 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 01:58:26,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2021-11-23 01:58:26,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 805. [2021-11-23 01:58:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 465 states have (on average 1.2408602150537635) internal successors, (577), 496 states have internal predecessors, (577), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1053 transitions. [2021-11-23 01:58:26,193 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1053 transitions. Word has length 56 [2021-11-23 01:58:26,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:26,194 INFO L470 AbstractCegarLoop]: Abstraction has 805 states and 1053 transitions. [2021-11-23 01:58:26,195 INFO L471 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, (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) [2021-11-23 01:58:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1053 transitions. [2021-11-23 01:58:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:58:26,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:26,198 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:26,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:58:26,199 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:26,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:26,200 INFO L85 PathProgramCache]: Analyzing trace with hash 999828818, now seen corresponding path program 1 times [2021-11-23 01:58:26,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:26,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128492398] [2021-11-23 01:58:26,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:26,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:26,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:26,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128492398] [2021-11-23 01:58:26,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128492398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:26,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:26,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:26,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132708839] [2021-11-23 01:58:26,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:26,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:26,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:26,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:26,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:26,416 INFO L87 Difference]: Start difference. First operand 805 states and 1053 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, (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) [2021-11-23 01:58:29,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:29,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:29,898 INFO L93 Difference]: Finished difference Result 811 states and 1060 transitions. [2021-11-23 01:58:29,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:29,899 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, (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 61 [2021-11-23 01:58:29,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:29,907 INFO L225 Difference]: With dead ends: 811 [2021-11-23 01:58:29,907 INFO L226 Difference]: Without dead ends: 809 [2021-11-23 01:58:29,908 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:29,909 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 975 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:29,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [981 Valid, 1865 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 01:58:29,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2021-11-23 01:58:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 803. [2021-11-23 01:58:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 464 states have (on average 1.2392241379310345) internal successors, (575), 494 states have internal predecessors, (575), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1051 transitions. [2021-11-23 01:58:30,051 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1051 transitions. Word has length 61 [2021-11-23 01:58:30,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:30,052 INFO L470 AbstractCegarLoop]: Abstraction has 803 states and 1051 transitions. [2021-11-23 01:58:30,052 INFO L471 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, (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) [2021-11-23 01:58:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1051 transitions. [2021-11-23 01:58:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:58:30,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:30,061 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:30,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:58:30,061 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1526322976, now seen corresponding path program 1 times [2021-11-23 01:58:30,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:30,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076635751] [2021-11-23 01:58:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:30,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:30,377 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:30,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076635751] [2021-11-23 01:58:30,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076635751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:30,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:30,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:30,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675814746] [2021-11-23 01:58:30,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:30,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:30,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:30,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:30,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:30,381 INFO L87 Difference]: Start difference. First operand 803 states and 1051 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, (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) [2021-11-23 01:58:33,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:33,860 INFO L93 Difference]: Finished difference Result 809 states and 1058 transitions. [2021-11-23 01:58:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:33,861 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, (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 66 [2021-11-23 01:58:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:33,869 INFO L225 Difference]: With dead ends: 809 [2021-11-23 01:58:33,869 INFO L226 Difference]: Without dead ends: 807 [2021-11-23 01:58:33,870 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:33,871 INFO L933 BasicCegarLoop]: 908 mSDtfsCounter, 972 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 978 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:33,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [978 Valid, 1861 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-23 01:58:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-11-23 01:58:33,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 801. [2021-11-23 01:58:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 463 states have (on average 1.2375809935205184) internal successors, (573), 492 states have internal predecessors, (573), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1049 transitions. [2021-11-23 01:58:33,930 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1049 transitions. Word has length 66 [2021-11-23 01:58:33,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:33,931 INFO L470 AbstractCegarLoop]: Abstraction has 801 states and 1049 transitions. [2021-11-23 01:58:33,931 INFO L471 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, (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) [2021-11-23 01:58:33,932 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1049 transitions. [2021-11-23 01:58:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:58:33,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:33,933 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:33,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:58:33,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:33,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:33,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1285370764, now seen corresponding path program 1 times [2021-11-23 01:58:33,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:33,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032395620] [2021-11-23 01:58:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:33,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:34,118 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:34,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032395620] [2021-11-23 01:58:34,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032395620] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:34,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:34,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:34,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425377577] [2021-11-23 01:58:34,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:34,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:34,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:34,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:34,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:34,121 INFO L87 Difference]: Start difference. First operand 801 states and 1049 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, (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) [2021-11-23 01:58:37,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:38,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:38,019 INFO L93 Difference]: Finished difference Result 807 states and 1056 transitions. [2021-11-23 01:58:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:38,020 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, (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 71 [2021-11-23 01:58:38,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:38,028 INFO L225 Difference]: With dead ends: 807 [2021-11-23 01:58:38,028 INFO L226 Difference]: Without dead ends: 805 [2021-11-23 01:58:38,029 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:38,030 INFO L933 BasicCegarLoop]: 906 mSDtfsCounter, 969 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:38,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 1857 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 01:58:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2021-11-23 01:58:38,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 799. [2021-11-23 01:58:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 462 states have (on average 1.2359307359307359) internal successors, (571), 490 states have internal predecessors, (571), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1047 transitions. [2021-11-23 01:58:38,089 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1047 transitions. Word has length 71 [2021-11-23 01:58:38,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:38,090 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 1047 transitions. [2021-11-23 01:58:38,090 INFO L471 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, (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) [2021-11-23 01:58:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1047 transitions. [2021-11-23 01:58:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:58:38,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:38,092 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:38,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:58:38,092 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:38,093 INFO L85 PathProgramCache]: Analyzing trace with hash -947450262, now seen corresponding path program 1 times [2021-11-23 01:58:38,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:38,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671513574] [2021-11-23 01:58:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:38,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:38,264 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:38,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671513574] [2021-11-23 01:58:38,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671513574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:38,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:38,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:38,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375637699] [2021-11-23 01:58:38,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:38,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:38,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:38,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:38,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:38,267 INFO L87 Difference]: Start difference. First operand 799 states and 1047 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, (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) [2021-11-23 01:58:41,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:41,905 INFO L93 Difference]: Finished difference Result 805 states and 1054 transitions. [2021-11-23 01:58:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:41,906 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, (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 76 [2021-11-23 01:58:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:41,913 INFO L225 Difference]: With dead ends: 805 [2021-11-23 01:58:41,913 INFO L226 Difference]: Without dead ends: 803 [2021-11-23 01:58:41,914 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:41,915 INFO L933 BasicCegarLoop]: 904 mSDtfsCounter, 966 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 972 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:41,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [972 Valid, 1853 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-23 01:58:41,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-11-23 01:58:41,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2021-11-23 01:58:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 461 states have (on average 1.2342733188720174) internal successors, (569), 488 states have internal predecessors, (569), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1045 transitions. [2021-11-23 01:58:41,978 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1045 transitions. Word has length 76 [2021-11-23 01:58:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:41,979 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 1045 transitions. [2021-11-23 01:58:41,980 INFO L471 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, (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) [2021-11-23 01:58:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1045 transitions. [2021-11-23 01:58:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:58:41,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:41,982 INFO L514 BasicCegarLoop]: trace histogram [4, 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] [2021-11-23 01:58:41,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 01:58:41,982 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:41,983 INFO L85 PathProgramCache]: Analyzing trace with hash 550821253, now seen corresponding path program 1 times [2021-11-23 01:58:41,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:41,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019695027] [2021-11-23 01:58:41,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:41,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:42,163 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:42,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019695027] [2021-11-23 01:58:42,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019695027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:42,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:42,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:42,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563703373] [2021-11-23 01:58:42,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:42,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:42,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:42,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:42,165 INFO L87 Difference]: Start difference. First operand 797 states and 1045 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, (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) [2021-11-23 01:58:45,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:46,015 INFO L93 Difference]: Finished difference Result 803 states and 1052 transitions. [2021-11-23 01:58:46,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:46,016 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, (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 81 [2021-11-23 01:58:46,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:46,022 INFO L225 Difference]: With dead ends: 803 [2021-11-23 01:58:46,023 INFO L226 Difference]: Without dead ends: 801 [2021-11-23 01:58:46,023 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:46,024 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 963 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:46,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 1849 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 01:58:46,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-11-23 01:58:46,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 795. [2021-11-23 01:58:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 460 states have (on average 1.232608695652174) internal successors, (567), 486 states have internal predecessors, (567), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:46,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1043 transitions. [2021-11-23 01:58:46,082 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1043 transitions. Word has length 81 [2021-11-23 01:58:46,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:46,083 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1043 transitions. [2021-11-23 01:58:46,083 INFO L471 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, (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) [2021-11-23 01:58:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1043 transitions. [2021-11-23 01:58:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:58:46,084 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:46,085 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1] [2021-11-23 01:58:46,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 01:58:46,085 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2056875522, now seen corresponding path program 1 times [2021-11-23 01:58:46,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:46,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495899117] [2021-11-23 01:58:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:46,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:46,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:46,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495899117] [2021-11-23 01:58:46,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495899117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:46,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:46,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:46,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521010018] [2021-11-23 01:58:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:46,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:46,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:46,326 INFO L87 Difference]: Start difference. First operand 795 states and 1043 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-23 01:58:50,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:50,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:50,526 INFO L93 Difference]: Finished difference Result 801 states and 1050 transitions. [2021-11-23 01:58:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2021-11-23 01:58:50,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:50,535 INFO L225 Difference]: With dead ends: 801 [2021-11-23 01:58:50,535 INFO L226 Difference]: Without dead ends: 799 [2021-11-23 01:58:50,536 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:50,537 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 964 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:50,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [970 Valid, 1841 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 01:58:50,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2021-11-23 01:58:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 793. [2021-11-23 01:58:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 459 states have (on average 1.2309368191721133) internal successors, (565), 484 states have internal predecessors, (565), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1041 transitions. [2021-11-23 01:58:50,600 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1041 transitions. Word has length 86 [2021-11-23 01:58:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:50,601 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 1041 transitions. [2021-11-23 01:58:50,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-11-23 01:58:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1041 transitions. [2021-11-23 01:58:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 01:58:50,602 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:50,603 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1] [2021-11-23 01:58:50,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 01:58:50,603 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:50,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:50,604 INFO L85 PathProgramCache]: Analyzing trace with hash 972555077, now seen corresponding path program 1 times [2021-11-23 01:58:50,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:50,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464782396] [2021-11-23 01:58:50,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:50,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:50,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:50,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464782396] [2021-11-23 01:58:50,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464782396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:50,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:50,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:50,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352243932] [2021-11-23 01:58:50,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:50,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:50,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:50,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:50,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:50,862 INFO L87 Difference]: Start difference. First operand 793 states and 1041 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, (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) [2021-11-23 01:58:54,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:54,634 INFO L93 Difference]: Finished difference Result 799 states and 1048 transitions. [2021-11-23 01:58:54,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:54,635 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, (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 88 [2021-11-23 01:58:54,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:54,642 INFO L225 Difference]: With dead ends: 799 [2021-11-23 01:58:54,642 INFO L226 Difference]: Without dead ends: 797 [2021-11-23 01:58:54,643 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:54,646 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 956 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:54,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [962 Valid, 1841 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 01:58:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2021-11-23 01:58:54,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 791. [2021-11-23 01:58:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 458 states have (on average 1.2292576419213974) internal successors, (563), 482 states have internal predecessors, (563), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1039 transitions. [2021-11-23 01:58:54,712 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1039 transitions. Word has length 88 [2021-11-23 01:58:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:54,713 INFO L470 AbstractCegarLoop]: Abstraction has 791 states and 1039 transitions. [2021-11-23 01:58:54,713 INFO L471 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, (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) [2021-11-23 01:58:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1039 transitions. [2021-11-23 01:58:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:58:54,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:54,715 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:58:54,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 01:58:54,716 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:54,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:54,716 INFO L85 PathProgramCache]: Analyzing trace with hash 605402084, now seen corresponding path program 1 times [2021-11-23 01:58:54,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:54,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097406006] [2021-11-23 01:58:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:54,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:54,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:54,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097406006] [2021-11-23 01:58:54,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097406006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:54,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:54,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:54,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672147709] [2021-11-23 01:58:54,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:54,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:54,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:54,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:54,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:54,923 INFO L87 Difference]: Start difference. First operand 791 states and 1039 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, (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) [2021-11-23 01:58:59,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:58:59,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:58:59,136 INFO L93 Difference]: Finished difference Result 797 states and 1046 transitions. [2021-11-23 01:58:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:58:59,137 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, (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 93 [2021-11-23 01:58:59,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:58:59,144 INFO L225 Difference]: With dead ends: 797 [2021-11-23 01:58:59,145 INFO L226 Difference]: Without dead ends: 795 [2021-11-23 01:58:59,146 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:58:59,146 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 955 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 961 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:58:59,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [961 Valid, 1837 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 01:58:59,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2021-11-23 01:58:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 789. [2021-11-23 01:58:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 457 states have (on average 1.2275711159737417) internal successors, (561), 480 states have internal predecessors, (561), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:58:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1037 transitions. [2021-11-23 01:58:59,212 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1037 transitions. Word has length 93 [2021-11-23 01:58:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:58:59,213 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1037 transitions. [2021-11-23 01:58:59,213 INFO L471 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, (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) [2021-11-23 01:58:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1037 transitions. [2021-11-23 01:58:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:58:59,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:58:59,215 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:58:59,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 01:58:59,215 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:58:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:58:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2140409418, now seen corresponding path program 1 times [2021-11-23 01:58:59,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:58:59,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861253773] [2021-11-23 01:58:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:58:59,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:58:59,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:58:59,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861253773] [2021-11-23 01:58:59,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861253773] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:58:59,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:58:59,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:58:59,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370596100] [2021-11-23 01:58:59,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:58:59,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:58:59,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:58:59,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:58:59,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:58:59,412 INFO L87 Difference]: Start difference. First operand 789 states and 1037 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, (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) [2021-11-23 01:59:03,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:03,348 INFO L93 Difference]: Finished difference Result 795 states and 1044 transitions. [2021-11-23 01:59:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:03,349 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, (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 98 [2021-11-23 01:59:03,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:03,357 INFO L225 Difference]: With dead ends: 795 [2021-11-23 01:59:03,357 INFO L226 Difference]: Without dead ends: 793 [2021-11-23 01:59:03,358 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:03,359 INFO L933 BasicCegarLoop]: 894 mSDtfsCounter, 952 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1833 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:03,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [958 Valid, 1833 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 01:59:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2021-11-23 01:59:03,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 787. [2021-11-23 01:59:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 456 states have (on average 1.2258771929824561) internal successors, (559), 478 states have internal predecessors, (559), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:59:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1035 transitions. [2021-11-23 01:59:03,431 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1035 transitions. Word has length 98 [2021-11-23 01:59:03,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:03,432 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1035 transitions. [2021-11-23 01:59:03,433 INFO L471 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, (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) [2021-11-23 01:59:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1035 transitions. [2021-11-23 01:59:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:59:03,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:03,435 INFO L514 BasicCegarLoop]: 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, 1] [2021-11-23 01:59:03,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 01:59:03,436 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:03,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:03,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1313316133, now seen corresponding path program 1 times [2021-11-23 01:59:03,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:03,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584113622] [2021-11-23 01:59:03,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:03,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-11-23 01:59:03,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:03,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584113622] [2021-11-23 01:59:03,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584113622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:03,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:03,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:59:03,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798662517] [2021-11-23 01:59:03,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:03,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:59:03,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:03,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:59:03,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:59:03,809 INFO L87 Difference]: Start difference. First operand 787 states and 1035 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 01:59:06,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:07,081 INFO L93 Difference]: Finished difference Result 1048 states and 1341 transitions. [2021-11-23 01:59:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:59:07,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 130 [2021-11-23 01:59:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:07,090 INFO L225 Difference]: With dead ends: 1048 [2021-11-23 01:59:07,090 INFO L226 Difference]: Without dead ends: 789 [2021-11-23 01:59:07,092 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:07,093 INFO L933 BasicCegarLoop]: 890 mSDtfsCounter, 969 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:07,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 935 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 01:59:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-11-23 01:59:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 783. [2021-11-23 01:59:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 453 states have (on average 1.2229580573951435) internal successors, (554), 474 states have internal predecessors, (554), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:59:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1030 transitions. [2021-11-23 01:59:07,163 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1030 transitions. Word has length 130 [2021-11-23 01:59:07,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:07,164 INFO L470 AbstractCegarLoop]: Abstraction has 783 states and 1030 transitions. [2021-11-23 01:59:07,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-23 01:59:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1030 transitions. [2021-11-23 01:59:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:59:07,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:07,167 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:07,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 01:59:07,167 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2009927331, now seen corresponding path program 1 times [2021-11-23 01:59:07,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:07,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407641906] [2021-11-23 01:59:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:07,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:59:07,363 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:07,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407641906] [2021-11-23 01:59:07,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407641906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:07,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:07,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:59:07,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374624731] [2021-11-23 01:59:07,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:07,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:59:07,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:59:07,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:59:07,366 INFO L87 Difference]: Start difference. First operand 783 states and 1030 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, (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) [2021-11-23 01:59:11,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:11,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:11,377 INFO L93 Difference]: Finished difference Result 789 states and 1037 transitions. [2021-11-23 01:59:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:11,378 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, (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 103 [2021-11-23 01:59:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:11,385 INFO L225 Difference]: With dead ends: 789 [2021-11-23 01:59:11,385 INFO L226 Difference]: Without dead ends: 787 [2021-11-23 01:59:11,386 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:11,387 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 944 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 950 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:11,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [950 Valid, 1819 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 01:59:11,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2021-11-23 01:59:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 781. [2021-11-23 01:59:11,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 452 states have (on average 1.2212389380530972) internal successors, (552), 472 states have internal predecessors, (552), 239 states have call successors, (239), 75 states have call predecessors, (239), 74 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2021-11-23 01:59:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1028 transitions. [2021-11-23 01:59:11,457 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1028 transitions. Word has length 103 [2021-11-23 01:59:11,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:11,457 INFO L470 AbstractCegarLoop]: Abstraction has 781 states and 1028 transitions. [2021-11-23 01:59:11,457 INFO L471 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, (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) [2021-11-23 01:59:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1028 transitions. [2021-11-23 01:59:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:59:11,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:11,460 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:11,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 01:59:11,460 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:11,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:11,461 INFO L85 PathProgramCache]: Analyzing trace with hash 705557100, now seen corresponding path program 1 times [2021-11-23 01:59:11,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:11,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639218945] [2021-11-23 01:59:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:11,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-23 01:59:11,698 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:11,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639218945] [2021-11-23 01:59:11,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639218945] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:59:11,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536546813] [2021-11-23 01:59:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:11,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:59:11,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:59:11,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:59:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 01:59:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:12,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 3053 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:59:12,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:59:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-23 01:59:12,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 01:59:12,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536546813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:12,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 01:59:12,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-23 01:59:12,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457402934] [2021-11-23 01:59:12,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:12,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:59:12,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:12,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:59:12,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 01:59:12,750 INFO L87 Difference]: Start difference. First operand 781 states and 1028 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 01:59:15,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:16,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:16,097 INFO L93 Difference]: Finished difference Result 1055 states and 1344 transitions. [2021-11-23 01:59:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:59:16,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2021-11-23 01:59:16,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:16,106 INFO L225 Difference]: With dead ends: 1055 [2021-11-23 01:59:16,106 INFO L226 Difference]: Without dead ends: 805 [2021-11-23 01:59:16,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 01:59:16,108 INFO L933 BasicCegarLoop]: 895 mSDtfsCounter, 912 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:16,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [916 Valid, 990 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-23 01:59:16,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2021-11-23 01:59:16,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 797. [2021-11-23 01:59:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 459 states have (on average 1.2135076252723311) internal successors, (557), 479 states have internal predecessors, (557), 243 states have call successors, (243), 81 states have call predecessors, (243), 80 states have return successors, (241), 240 states have call predecessors, (241), 241 states have call successors, (241) [2021-11-23 01:59:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1041 transitions. [2021-11-23 01:59:16,183 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1041 transitions. Word has length 135 [2021-11-23 01:59:16,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:16,184 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 1041 transitions. [2021-11-23 01:59:16,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 01:59:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1041 transitions. [2021-11-23 01:59:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:59:16,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:16,187 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:16,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-23 01:59:16,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-23 01:59:16,414 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1586999541, now seen corresponding path program 1 times [2021-11-23 01:59:16,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:16,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354533981] [2021-11-23 01:59:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:16,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:59:16,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:16,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354533981] [2021-11-23 01:59:16,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354533981] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:16,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:16,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:59:16,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484738107] [2021-11-23 01:59:16,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:16,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:59:16,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:16,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:59:16,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:59:16,669 INFO L87 Difference]: Start difference. First operand 797 states and 1041 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, (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) [2021-11-23 01:59:20,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:20,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:20,889 INFO L93 Difference]: Finished difference Result 803 states and 1048 transitions. [2021-11-23 01:59:20,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:20,890 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, (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 108 [2021-11-23 01:59:20,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:20,898 INFO L225 Difference]: With dead ends: 803 [2021-11-23 01:59:20,898 INFO L226 Difference]: Without dead ends: 801 [2021-11-23 01:59:20,899 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:20,900 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 936 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:20,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [942 Valid, 1805 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 01:59:20,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-11-23 01:59:20,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 795. [2021-11-23 01:59:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 458 states have (on average 1.2117903930131004) internal successors, (555), 477 states have internal predecessors, (555), 243 states have call successors, (243), 81 states have call predecessors, (243), 80 states have return successors, (241), 240 states have call predecessors, (241), 241 states have call successors, (241) [2021-11-23 01:59:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1039 transitions. [2021-11-23 01:59:20,979 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1039 transitions. Word has length 108 [2021-11-23 01:59:20,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:20,980 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1039 transitions. [2021-11-23 01:59:20,980 INFO L471 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, (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) [2021-11-23 01:59:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1039 transitions. [2021-11-23 01:59:20,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 01:59:20,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:20,983 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:20,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 01:59:20,984 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:20,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:20,984 INFO L85 PathProgramCache]: Analyzing trace with hash 2133295685, now seen corresponding path program 1 times [2021-11-23 01:59:20,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:20,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772411331] [2021-11-23 01:59:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:20,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-11-23 01:59:21,265 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772411331] [2021-11-23 01:59:21,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772411331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:21,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:21,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:59:21,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116637335] [2021-11-23 01:59:21,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:21,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:59:21,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:21,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:59:21,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:59:21,268 INFO L87 Difference]: Start difference. First operand 795 states and 1039 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 01:59:26,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:26,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:26,989 INFO L93 Difference]: Finished difference Result 1631 states and 2173 transitions. [2021-11-23 01:59:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:59:26,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2021-11-23 01:59:26,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:26,998 INFO L225 Difference]: With dead ends: 1631 [2021-11-23 01:59:26,999 INFO L226 Difference]: Without dead ends: 889 [2021-11-23 01:59:27,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:59:27,004 INFO L933 BasicCegarLoop]: 987 mSDtfsCounter, 39 mSDsluCounter, 3231 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 3875 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:27,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 3875 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 490 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-23 01:59:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2021-11-23 01:59:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 799. [2021-11-23 01:59:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 461 states have (on average 1.210412147505423) internal successors, (558), 480 states have internal predecessors, (558), 243 states have call successors, (243), 81 states have call predecessors, (243), 81 states have return successors, (246), 241 states have call predecessors, (246), 241 states have call successors, (246) [2021-11-23 01:59:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1047 transitions. [2021-11-23 01:59:27,084 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1047 transitions. Word has length 139 [2021-11-23 01:59:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:27,085 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 1047 transitions. [2021-11-23 01:59:27,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-23 01:59:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1047 transitions. [2021-11-23 01:59:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 01:59:27,088 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:27,088 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:27,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 01:59:27,088 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:27,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1014227595, now seen corresponding path program 1 times [2021-11-23 01:59:27,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:27,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937346813] [2021-11-23 01:59:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:27,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:59:27,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:27,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937346813] [2021-11-23 01:59:27,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937346813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:27,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:27,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:59:27,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745440404] [2021-11-23 01:59:27,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:27,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:59:27,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:27,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:59:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:59:27,276 INFO L87 Difference]: Start difference. First operand 799 states and 1047 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, (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) [2021-11-23 01:59:31,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:31,791 INFO L93 Difference]: Finished difference Result 805 states and 1054 transitions. [2021-11-23 01:59:31,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:31,792 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, (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 113 [2021-11-23 01:59:31,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:31,799 INFO L225 Difference]: With dead ends: 805 [2021-11-23 01:59:31,800 INFO L226 Difference]: Without dead ends: 803 [2021-11-23 01:59:31,801 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:31,801 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 933 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 939 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:31,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [939 Valid, 1801 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-23 01:59:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2021-11-23 01:59:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2021-11-23 01:59:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 460 states have (on average 1.208695652173913) internal successors, (556), 478 states have internal predecessors, (556), 243 states have call successors, (243), 81 states have call predecessors, (243), 81 states have return successors, (246), 241 states have call predecessors, (246), 241 states have call successors, (246) [2021-11-23 01:59:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1045 transitions. [2021-11-23 01:59:31,879 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1045 transitions. Word has length 113 [2021-11-23 01:59:31,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:31,880 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 1045 transitions. [2021-11-23 01:59:31,880 INFO L471 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, (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) [2021-11-23 01:59:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1045 transitions. [2021-11-23 01:59:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:59:31,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:31,883 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:31,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 01:59:31,884 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:31,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:31,884 INFO L85 PathProgramCache]: Analyzing trace with hash -604516817, now seen corresponding path program 1 times [2021-11-23 01:59:31,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:31,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539498360] [2021-11-23 01:59:31,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:31,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:59:32,111 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:32,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539498360] [2021-11-23 01:59:32,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539498360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:32,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:32,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:59:32,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268484987] [2021-11-23 01:59:32,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:32,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:59:32,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:32,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:59:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:59:32,115 INFO L87 Difference]: Start difference. First operand 797 states and 1045 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, (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) [2021-11-23 01:59:35,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:35,912 INFO L93 Difference]: Finished difference Result 803 states and 1052 transitions. [2021-11-23 01:59:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:35,913 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, (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 118 [2021-11-23 01:59:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:35,919 INFO L225 Difference]: With dead ends: 803 [2021-11-23 01:59:35,919 INFO L226 Difference]: Without dead ends: 801 [2021-11-23 01:59:35,920 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:35,921 INFO L933 BasicCegarLoop]: 876 mSDtfsCounter, 930 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:35,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [936 Valid, 1797 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 01:59:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-11-23 01:59:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 795. [2021-11-23 01:59:35,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 459 states have (on average 1.2069716775599129) internal successors, (554), 476 states have internal predecessors, (554), 243 states have call successors, (243), 81 states have call predecessors, (243), 81 states have return successors, (246), 241 states have call predecessors, (246), 241 states have call successors, (246) [2021-11-23 01:59:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1043 transitions. [2021-11-23 01:59:36,002 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1043 transitions. Word has length 118 [2021-11-23 01:59:36,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:36,003 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1043 transitions. [2021-11-23 01:59:36,003 INFO L471 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, (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) [2021-11-23 01:59:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1043 transitions. [2021-11-23 01:59:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:59:36,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:36,006 INFO L514 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:36,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 01:59:36,006 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:36,007 INFO L85 PathProgramCache]: Analyzing trace with hash 573131828, now seen corresponding path program 1 times [2021-11-23 01:59:36,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:36,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060165185] [2021-11-23 01:59:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:36,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:59:36,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:36,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060165185] [2021-11-23 01:59:36,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060165185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:59:36,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:59:36,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 01:59:36,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669134012] [2021-11-23 01:59:36,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:59:36,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 01:59:36,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:59:36,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 01:59:36,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 01:59:36,169 INFO L87 Difference]: Start difference. First operand 795 states and 1043 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, (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) [2021-11-23 01:59:40,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:59:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:59:40,796 INFO L93 Difference]: Finished difference Result 801 states and 1050 transitions. [2021-11-23 01:59:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 01:59:40,797 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, (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 123 [2021-11-23 01:59:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:59:40,804 INFO L225 Difference]: With dead ends: 801 [2021-11-23 01:59:40,804 INFO L226 Difference]: Without dead ends: 799 [2021-11-23 01:59:40,805 INFO L932 BasicCegarLoop]: 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 [2021-11-23 01:59:40,806 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 927 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-23 01:59:40,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [933 Valid, 1793 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-23 01:59:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2021-11-23 01:59:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 793. [2021-11-23 01:59:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 458 states have (on average 1.205240174672489) internal successors, (552), 474 states have internal predecessors, (552), 243 states have call successors, (243), 81 states have call predecessors, (243), 81 states have return successors, (246), 241 states have call predecessors, (246), 241 states have call successors, (246) [2021-11-23 01:59:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1041 transitions. [2021-11-23 01:59:40,887 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1041 transitions. Word has length 123 [2021-11-23 01:59:40,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:59:40,888 INFO L470 AbstractCegarLoop]: Abstraction has 793 states and 1041 transitions. [2021-11-23 01:59:40,888 INFO L471 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, (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) [2021-11-23 01:59:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1041 transitions. [2021-11-23 01:59:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-23 01:59:40,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:59:40,891 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:59:40,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 01:59:40,891 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-23 01:59:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:59:40,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1442452423, now seen corresponding path program 1 times [2021-11-23 01:59:40,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:59:40,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335157603] [2021-11-23 01:59:40,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:40,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-11-23 01:59:42,242 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:59:42,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335157603] [2021-11-23 01:59:42,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335157603] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 01:59:42,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798735541] [2021-11-23 01:59:42,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:59:42,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 01:59:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:59:42,246 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 01:59:42,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2b79051-cfb3-452a-816f-e31cb716a4f0/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 01:59:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:43,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 3197 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:59:43,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:59:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 166 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-23 01:59:43,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 01:59:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-23 01:59:44,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798735541] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 01:59:44,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1697180516] [2021-11-23 01:59:44,654 INFO L159 IcfgInterpreter]: Started Sifa with 72 locations of interest [2021-11-23 01:59:44,654 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 01:59:44,660 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 01:59:44,666 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 01:59:44,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 01:59:50,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,062 INFO L244 Elim1Store]: Index analysis took 121 ms [2021-11-23 01:59:51,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 82 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 265 [2021-11-23 01:59:51,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 49 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 156 [2021-11-23 01:59:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:51,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 46 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 119 [2021-11-23 01:59:51,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 01:59:53,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:53,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 7832 treesize of output 6146 [2021-11-23 01:59:57,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 01:59:57,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 01:59:58,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:58,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:59:59,616 INFO L244 Elim1Store]: Index analysis took 770 ms [2021-11-23 01:59:59,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 124 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 225 [2021-11-23 02:00:00,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:00,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:00,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:00,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:00,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:01,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:01,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:01,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:01,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2021-11-23 02:00:01,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11