./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--vme--bridges--vme_ca91cx42.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7 --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 a4ce0bc2df24452096decdc7e961550a8934d52ee8eab37caec2ef22f016be61 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:40:23,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:40:23,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:40:23,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:40:23,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:40:23,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:40:23,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:40:23,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:40:23,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:40:23,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:40:23,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:40:23,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:40:23,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:40:23,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:40:23,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:40:23,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:40:23,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:40:23,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:40:23,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:40:23,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:40:23,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:40:23,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:40:23,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:40:23,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:40:23,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:40:23,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:40:23,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:40:23,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:40:23,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:40:23,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:40:23,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:40:23,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:40:23,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:40:23,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:40:23,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:40:23,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:40:23,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:40:23,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:40:23,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:40:23,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:40:23,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:40:23,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:40:23,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:40:23,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:40:23,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:40:23,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:40:23,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:40:23,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:40:23,594 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:40:23,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:40:23,594 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:40:23,594 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:40:23,595 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:40:23,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:40:23,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:40:23,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:40:23,596 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:40:23,596 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:40:23,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:40:23,597 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:40:23,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:40:23,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:40:23,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:40:23,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:40:23,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:40:23,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:40:23,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:40:23,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:40:23,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:40:23,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:40:23,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:40:23,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:40:23,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:40:23,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:40:23,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:40:23,604 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:40:23,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:40:23,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:40:23,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:40:23,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:40:23,606 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_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ce0bc2df24452096decdc7e961550a8934d52ee8eab37caec2ef22f016be61 [2021-11-25 18:40:23,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:40:23,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:40:23,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:40:23,899 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:40:23,900 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:40:23,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i [2021-11-25 18:40:23,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/data/ca132e59a/789b946076ee434a98ccff6b215c676c/FLAGa35043df8 [2021-11-25 18:40:24,850 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:40:24,851 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i [2021-11-25 18:40:24,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/data/ca132e59a/789b946076ee434a98ccff6b215c676c/FLAGa35043df8 [2021-11-25 18:40:25,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/data/ca132e59a/789b946076ee434a98ccff6b215c676c [2021-11-25 18:40:25,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:40:25,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:40:25,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:40:25,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:40:25,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:40:25,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:40:25" (1/1) ... [2021-11-25 18:40:25,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6772e850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:25, skipping insertion in model container [2021-11-25 18:40:25,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:40:25" (1/1) ... [2021-11-25 18:40:25,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:40:25,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:40:28,385 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[309910,309923] [2021-11-25 18:40:28,388 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310055,310068] [2021-11-25 18:40:28,389 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310201,310214] [2021-11-25 18:40:28,389 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310366,310379] [2021-11-25 18:40:28,390 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310524,310537] [2021-11-25 18:40:28,390 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310682,310695] [2021-11-25 18:40:28,391 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310840,310853] [2021-11-25 18:40:28,391 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311000,311013] [2021-11-25 18:40:28,392 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311159,311172] [2021-11-25 18:40:28,392 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311298,311311] [2021-11-25 18:40:28,393 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311440,311453] [2021-11-25 18:40:28,393 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311589,311602] [2021-11-25 18:40:28,394 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311728,311741] [2021-11-25 18:40:28,394 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311883,311896] [2021-11-25 18:40:28,394 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312043,312056] [2021-11-25 18:40:28,395 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312194,312207] [2021-11-25 18:40:28,395 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312345,312358] [2021-11-25 18:40:28,396 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312497,312510] [2021-11-25 18:40:28,396 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312646,312659] [2021-11-25 18:40:28,397 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312794,312807] [2021-11-25 18:40:28,397 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312951,312964] [2021-11-25 18:40:28,398 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313100,313113] [2021-11-25 18:40:28,398 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313256,313269] [2021-11-25 18:40:28,399 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313409,313422] [2021-11-25 18:40:28,399 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313555,313568] [2021-11-25 18:40:28,400 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313698,313711] [2021-11-25 18:40:28,400 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313850,313863] [2021-11-25 18:40:28,401 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313996,314009] [2021-11-25 18:40:28,401 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314141,314154] [2021-11-25 18:40:28,402 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314295,314308] [2021-11-25 18:40:28,402 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314446,314459] [2021-11-25 18:40:28,402 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314601,314614] [2021-11-25 18:40:28,403 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314753,314766] [2021-11-25 18:40:28,403 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314908,314921] [2021-11-25 18:40:28,404 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315072,315085] [2021-11-25 18:40:28,404 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315228,315241] [2021-11-25 18:40:28,405 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315392,315405] [2021-11-25 18:40:28,405 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315534,315547] [2021-11-25 18:40:28,406 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315692,315705] [2021-11-25 18:40:28,406 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315859,315872] [2021-11-25 18:40:28,407 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316018,316031] [2021-11-25 18:40:28,407 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316177,316190] [2021-11-25 18:40:28,408 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316326,316339] [2021-11-25 18:40:28,408 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316473,316486] [2021-11-25 18:40:28,409 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316612,316625] [2021-11-25 18:40:28,409 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316775,316788] [2021-11-25 18:40:28,410 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316941,316954] [2021-11-25 18:40:28,410 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317105,317118] [2021-11-25 18:40:28,411 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317270,317283] [2021-11-25 18:40:28,411 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317435,317448] [2021-11-25 18:40:28,411 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317601,317614] [2021-11-25 18:40:28,412 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317766,317779] [2021-11-25 18:40:28,412 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317933,317946] [2021-11-25 18:40:28,413 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318093,318106] [2021-11-25 18:40:28,413 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318255,318268] [2021-11-25 18:40:28,414 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318414,318427] [2021-11-25 18:40:28,414 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318560,318573] [2021-11-25 18:40:28,415 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318703,318716] [2021-11-25 18:40:28,415 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318847,318860] [2021-11-25 18:40:28,415 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318990,319003] [2021-11-25 18:40:28,416 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319134,319147] [2021-11-25 18:40:28,416 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319275,319288] [2021-11-25 18:40:28,417 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319413,319426] [2021-11-25 18:40:28,417 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319571,319584] [2021-11-25 18:40:28,418 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319730,319743] [2021-11-25 18:40:28,418 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319886,319899] [2021-11-25 18:40:28,419 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320035,320048] [2021-11-25 18:40:28,419 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320187,320200] [2021-11-25 18:40:28,420 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320338,320351] [2021-11-25 18:40:28,420 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320487,320500] [2021-11-25 18:40:28,420 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320639,320652] [2021-11-25 18:40:28,421 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320787,320800] [2021-11-25 18:40:28,421 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320940,320953] [2021-11-25 18:40:28,422 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321091,321104] [2021-11-25 18:40:28,422 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321241,321254] [2021-11-25 18:40:28,423 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321388,321401] [2021-11-25 18:40:28,423 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321539,321552] [2021-11-25 18:40:28,424 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321690,321703] [2021-11-25 18:40:28,424 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321838,321851] [2021-11-25 18:40:28,424 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322004,322017] [2021-11-25 18:40:28,425 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322173,322186] [2021-11-25 18:40:28,425 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322340,322353] [2021-11-25 18:40:28,426 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322508,322521] [2021-11-25 18:40:28,426 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322658,322671] [2021-11-25 18:40:28,427 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322805,322818] [2021-11-25 18:40:28,427 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322966,322979] [2021-11-25 18:40:28,428 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[323136,323149] [2021-11-25 18:40:28,428 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[323298,323311] [2021-11-25 18:40:28,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:40:28,464 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:40:28,890 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[309910,309923] [2021-11-25 18:40:28,891 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310055,310068] [2021-11-25 18:40:28,892 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310201,310214] [2021-11-25 18:40:28,893 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310366,310379] [2021-11-25 18:40:28,894 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310524,310537] [2021-11-25 18:40:28,899 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310682,310695] [2021-11-25 18:40:28,899 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[310840,310853] [2021-11-25 18:40:28,900 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311000,311013] [2021-11-25 18:40:28,900 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311159,311172] [2021-11-25 18:40:28,901 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311298,311311] [2021-11-25 18:40:28,901 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311440,311453] [2021-11-25 18:40:28,902 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311589,311602] [2021-11-25 18:40:28,902 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311728,311741] [2021-11-25 18:40:28,902 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[311883,311896] [2021-11-25 18:40:28,903 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312043,312056] [2021-11-25 18:40:28,903 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312194,312207] [2021-11-25 18:40:28,904 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312345,312358] [2021-11-25 18:40:28,904 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312497,312510] [2021-11-25 18:40:28,905 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312646,312659] [2021-11-25 18:40:28,905 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312794,312807] [2021-11-25 18:40:28,906 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[312951,312964] [2021-11-25 18:40:28,906 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313100,313113] [2021-11-25 18:40:28,907 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313256,313269] [2021-11-25 18:40:28,908 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313409,313422] [2021-11-25 18:40:28,909 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313555,313568] [2021-11-25 18:40:28,910 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313698,313711] [2021-11-25 18:40:28,910 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313850,313863] [2021-11-25 18:40:28,911 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[313996,314009] [2021-11-25 18:40:28,911 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314141,314154] [2021-11-25 18:40:28,916 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314295,314308] [2021-11-25 18:40:28,917 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314446,314459] [2021-11-25 18:40:28,918 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314601,314614] [2021-11-25 18:40:28,918 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314753,314766] [2021-11-25 18:40:28,919 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[314908,314921] [2021-11-25 18:40:28,919 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315072,315085] [2021-11-25 18:40:28,920 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315228,315241] [2021-11-25 18:40:28,920 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315392,315405] [2021-11-25 18:40:28,921 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315534,315547] [2021-11-25 18:40:28,922 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315692,315705] [2021-11-25 18:40:28,922 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[315859,315872] [2021-11-25 18:40:28,924 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316018,316031] [2021-11-25 18:40:28,924 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316177,316190] [2021-11-25 18:40:28,926 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316326,316339] [2021-11-25 18:40:28,927 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316473,316486] [2021-11-25 18:40:28,927 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316612,316625] [2021-11-25 18:40:28,928 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316775,316788] [2021-11-25 18:40:28,929 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[316941,316954] [2021-11-25 18:40:28,930 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317105,317118] [2021-11-25 18:40:28,930 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317270,317283] [2021-11-25 18:40:28,930 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317435,317448] [2021-11-25 18:40:28,932 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317601,317614] [2021-11-25 18:40:28,932 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317766,317779] [2021-11-25 18:40:28,934 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[317933,317946] [2021-11-25 18:40:28,934 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318093,318106] [2021-11-25 18:40:28,935 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318255,318268] [2021-11-25 18:40:28,937 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318414,318427] [2021-11-25 18:40:28,941 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318560,318573] [2021-11-25 18:40:28,942 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318703,318716] [2021-11-25 18:40:28,943 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318847,318860] [2021-11-25 18:40:28,943 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[318990,319003] [2021-11-25 18:40:28,944 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319134,319147] [2021-11-25 18:40:28,945 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319275,319288] [2021-11-25 18:40:28,946 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319413,319426] [2021-11-25 18:40:28,947 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319571,319584] [2021-11-25 18:40:28,947 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319730,319743] [2021-11-25 18:40:28,953 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[319886,319899] [2021-11-25 18:40:28,954 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320035,320048] [2021-11-25 18:40:28,954 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320187,320200] [2021-11-25 18:40:28,958 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320338,320351] [2021-11-25 18:40:28,960 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320487,320500] [2021-11-25 18:40:28,961 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320639,320652] [2021-11-25 18:40:28,961 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320787,320800] [2021-11-25 18:40:28,961 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[320940,320953] [2021-11-25 18:40:28,962 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321091,321104] [2021-11-25 18:40:28,962 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321241,321254] [2021-11-25 18:40:28,963 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321388,321401] [2021-11-25 18:40:28,963 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321539,321552] [2021-11-25 18:40:28,963 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321690,321703] [2021-11-25 18:40:28,965 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[321838,321851] [2021-11-25 18:40:28,966 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322004,322017] [2021-11-25 18:40:28,966 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322173,322186] [2021-11-25 18:40:28,967 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322340,322353] [2021-11-25 18:40:28,968 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322508,322521] [2021-11-25 18:40:28,968 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322658,322671] [2021-11-25 18:40:28,968 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322805,322818] [2021-11-25 18:40:28,969 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[322966,322979] [2021-11-25 18:40:28,969 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[323136,323149] [2021-11-25 18:40:28,969 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_7e965053-1c14-4fca-a716-de1b13de3092/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i[323298,323311] [2021-11-25 18:40:28,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:40:29,199 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:40:29,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29 WrapperNode [2021-11-25 18:40:29,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:40:29,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:40:29,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:40:29,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:40:29,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,485 INFO L137 Inliner]: procedures = 571, calls = 1721, calls flagged for inlining = 244, calls inlined = 125, statements flattened = 2362 [2021-11-25 18:40:29,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:40:29,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:40:29,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:40:29,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:40:29,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:40:29,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:40:29,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:40:29,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:40:29,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (1/1) ... [2021-11-25 18:40:29,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:40:29,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:40:29,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:40:29,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:40:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:40:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:40:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 18:40:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 18:40:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:40:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:40:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:40:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:40:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 18:40:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 18:40:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:40:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:40:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 18:40:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 18:40:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:40:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:40:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:40:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:40:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 18:40:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 18:40:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:40:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:40:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 18:40:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 18:40:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:40:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:40:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:40:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:40:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:40:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:40:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:40:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:40:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:40:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:40:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:40:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mtx_of_vme_dma_resource [2021-11-25 18:40:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mtx_of_vme_dma_resource [2021-11-25 18:40:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 18:40:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 18:40:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:40:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:40:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:40:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 18:40:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 18:40:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:40:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:40:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:40:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:40:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:40:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:40:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:40:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:40:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:40:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:40:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:40:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:40:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:40:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:40:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:40:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 18:40:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 18:40:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:40:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:40:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 18:40:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 18:40:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:40:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:40:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:40:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:40:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:40:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:40:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-25 18:40:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-25 18:40:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:40:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:40:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:40:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:40:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:40:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:40:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:40:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:40:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:40:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:40:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:40:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mtx_of_vme_dma_resource [2021-11-25 18:40:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mtx_of_vme_dma_resource [2021-11-25 18:40:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:40:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:40:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 18:40:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 18:40:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 18:40:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 18:40:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:40:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:40:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:40:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:40:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:40:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:40:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 18:40:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 18:40:29,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:40:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:40:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:40:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:40:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:40:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:40:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:40:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:40:29,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:40:29,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:40:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:40:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_slot_get [2021-11-25 18:40:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_slot_get [2021-11-25 18:40:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:40:29,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 18:40:29,875 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:40:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:40:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-25 18:40:29,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-25 18:40:29,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:40:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:40:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:40:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:40:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_irq_exit [2021-11-25 18:40:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_irq_exit [2021-11-25 18:40:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:40:29,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:40:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:40:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:40:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:40:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:40:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:40:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:40:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_crcsr_exit [2021-11-25 18:40:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_crcsr_exit [2021-11-25 18:40:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:40:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:40:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:40:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:40:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:40:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:40:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:40:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_remove [2021-11-25 18:40:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_remove [2021-11-25 18:40:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:40:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:40:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:40:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:40:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:40:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:40:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 18:40:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 18:40:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:40:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:40:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:40:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:40:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_dma_busy [2021-11-25 18:40:29,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_dma_busy [2021-11-25 18:40:29,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:40:30,481 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:40:30,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:40:30,634 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:40:33,572 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:40:33,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:40:33,853 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 18:40:33,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:33 BoogieIcfgContainer [2021-11-25 18:40:33,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:40:33,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:40:33,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:40:33,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:40:33,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:40:25" (1/3) ... [2021-11-25 18:40:33,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:33, skipping insertion in model container [2021-11-25 18:40:33,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:40:29" (2/3) ... [2021-11-25 18:40:33,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4daa5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:33, skipping insertion in model container [2021-11-25 18:40:33,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:33" (3/3) ... [2021-11-25 18:40:33,868 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.i [2021-11-25 18:40:33,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:40:33,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-25 18:40:33,929 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:40:33,935 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 [2021-11-25 18:40:33,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 18:40:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 783 states, 432 states have (on average 1.2962962962962963) internal successors, (560), 473 states have internal predecessors, (560), 250 states have call successors, (250), 73 states have call predecessors, (250), 72 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) [2021-11-25 18:40:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:40:33,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:33,988 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:33,989 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 26 more)] === [2021-11-25 18:40:33,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash 52631332, now seen corresponding path program 1 times [2021-11-25 18:40:34,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:34,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221598606] [2021-11-25 18:40:34,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:34,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:34,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:34,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:34,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221598606] [2021-11-25 18:40:34,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221598606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:34,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:34,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:34,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076837983] [2021-11-25 18:40:34,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:34,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:34,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:34,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:34,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:34,622 INFO L87 Difference]: Start difference. First operand has 783 states, 432 states have (on average 1.2962962962962963) internal successors, (560), 473 states have internal predecessors, (560), 250 states have call successors, (250), 73 states have call predecessors, (250), 72 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:40:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:35,511 INFO L93 Difference]: Finished difference Result 2093 states and 2914 transitions. [2021-11-25 18:40:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:40:35,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-25 18:40:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:35,580 INFO L225 Difference]: With dead ends: 2093 [2021-11-25 18:40:35,580 INFO L226 Difference]: Without dead ends: 1313 [2021-11-25 18:40:35,612 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 [2021-11-25 18:40:35,615 INFO L933 BasicCegarLoop]: 1102 mSDtfsCounter, 687 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:35,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [689 Valid, 3082 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:40:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2021-11-25 18:40:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1139. [2021-11-25 18:40:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 629 states have (on average 1.2130365659777425) internal successors, (763), 680 states have internal predecessors, (763), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1499 transitions. [2021-11-25 18:40:35,861 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1499 transitions. Word has length 47 [2021-11-25 18:40:35,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:35,862 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 1499 transitions. [2021-11-25 18:40:35,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:40:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1499 transitions. [2021-11-25 18:40:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:40:35,865 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:35,866 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:35,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:40:35,866 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 26 more)] === [2021-11-25 18:40:35,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:35,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2068129442, now seen corresponding path program 1 times [2021-11-25 18:40:35,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:35,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210760663] [2021-11-25 18:40:35,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:35,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:36,059 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:36,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210760663] [2021-11-25 18:40:36,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210760663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:36,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:36,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:36,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957710114] [2021-11-25 18:40:36,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:36,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:36,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:36,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:36,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:36,065 INFO L87 Difference]: Start difference. First operand 1139 states and 1499 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:40:36,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:36,622 INFO L93 Difference]: Finished difference Result 1139 states and 1499 transitions. [2021-11-25 18:40:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:36,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-25 18:40:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:36,639 INFO L225 Difference]: With dead ends: 1139 [2021-11-25 18:40:36,640 INFO L226 Difference]: Without dead ends: 1137 [2021-11-25 18:40:36,641 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 [2021-11-25 18:40:36,642 INFO L933 BasicCegarLoop]: 886 mSDtfsCounter, 990 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:36,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [992 Valid, 1772 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:40:36,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2021-11-25 18:40:36,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2021-11-25 18:40:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 628 states have (on average 1.2117834394904459) internal successors, (761), 678 states have internal predecessors, (761), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:36,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1497 transitions. [2021-11-25 18:40:36,800 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1497 transitions. Word has length 52 [2021-11-25 18:40:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:36,801 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 1497 transitions. [2021-11-25 18:40:36,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:40:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1497 transitions. [2021-11-25 18:40:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:40:36,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:36,811 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:36,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:40:36,811 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 26 more)] === [2021-11-25 18:40:36,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash -490253151, now seen corresponding path program 1 times [2021-11-25 18:40:36,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:36,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053083976] [2021-11-25 18:40:36,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:36,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:37,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:37,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053083976] [2021-11-25 18:40:37,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053083976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:37,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:37,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:37,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985644314] [2021-11-25 18:40:37,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:37,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:37,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:37,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:37,019 INFO L87 Difference]: Start difference. First operand 1137 states and 1497 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:40:37,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:37,547 INFO L93 Difference]: Finished difference Result 1137 states and 1497 transitions. [2021-11-25 18:40:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:37,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2021-11-25 18:40:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:37,557 INFO L225 Difference]: With dead ends: 1137 [2021-11-25 18:40:37,557 INFO L226 Difference]: Without dead ends: 1135 [2021-11-25 18:40:37,558 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 [2021-11-25 18:40:37,559 INFO L933 BasicCegarLoop]: 884 mSDtfsCounter, 987 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:37,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [989 Valid, 1768 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2021-11-25 18:40:37,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2021-11-25 18:40:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 627 states have (on average 1.2105263157894737) internal successors, (759), 676 states have internal predecessors, (759), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1495 transitions. [2021-11-25 18:40:37,639 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1495 transitions. Word has length 57 [2021-11-25 18:40:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:37,639 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1495 transitions. [2021-11-25 18:40:37,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:40:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1495 transitions. [2021-11-25 18:40:37,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 18:40:37,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:37,641 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:37,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:40:37,641 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 26 more)] === [2021-11-25 18:40:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1650984882, now seen corresponding path program 1 times [2021-11-25 18:40:37,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:37,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835656587] [2021-11-25 18:40:37,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:37,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:37,789 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:37,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835656587] [2021-11-25 18:40:37,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835656587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:37,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:37,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:37,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355739265] [2021-11-25 18:40:37,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:37,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:37,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:37,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:37,792 INFO L87 Difference]: Start difference. First operand 1135 states and 1495 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:40:38,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:38,321 INFO L93 Difference]: Finished difference Result 1135 states and 1495 transitions. [2021-11-25 18:40:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:38,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2021-11-25 18:40:38,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:38,331 INFO L225 Difference]: With dead ends: 1135 [2021-11-25 18:40:38,331 INFO L226 Difference]: Without dead ends: 1133 [2021-11-25 18:40:38,332 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 [2021-11-25 18:40:38,333 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 984 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:38,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [986 Valid, 1764 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:38,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2021-11-25 18:40:38,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2021-11-25 18:40:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 626 states have (on average 1.20926517571885) internal successors, (757), 674 states have internal predecessors, (757), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1493 transitions. [2021-11-25 18:40:38,419 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1493 transitions. Word has length 62 [2021-11-25 18:40:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:38,419 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 1493 transitions. [2021-11-25 18:40:38,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:40:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1493 transitions. [2021-11-25 18:40:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 18:40:38,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:38,421 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:38,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:40:38,422 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 26 more)] === [2021-11-25 18:40:38,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:38,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1560484557, now seen corresponding path program 1 times [2021-11-25 18:40:38,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:38,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107793591] [2021-11-25 18:40:38,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:38,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:38,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:38,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107793591] [2021-11-25 18:40:38,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107793591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:38,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:38,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:38,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819715421] [2021-11-25 18:40:38,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:38,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:38,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:38,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:38,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:38,556 INFO L87 Difference]: Start difference. First operand 1133 states and 1493 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:39,130 INFO L93 Difference]: Finished difference Result 1133 states and 1493 transitions. [2021-11-25 18:40:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:39,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2021-11-25 18:40:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:39,139 INFO L225 Difference]: With dead ends: 1133 [2021-11-25 18:40:39,140 INFO L226 Difference]: Without dead ends: 1131 [2021-11-25 18:40:39,141 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 [2021-11-25 18:40:39,142 INFO L933 BasicCegarLoop]: 880 mSDtfsCounter, 981 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:39,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [983 Valid, 1760 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:40:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2021-11-25 18:40:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2021-11-25 18:40:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 625 states have (on average 1.208) internal successors, (755), 672 states have internal predecessors, (755), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:39,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1491 transitions. [2021-11-25 18:40:39,224 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1491 transitions. Word has length 67 [2021-11-25 18:40:39,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:39,225 INFO L470 AbstractCegarLoop]: Abstraction has 1131 states and 1491 transitions. [2021-11-25 18:40:39,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:39,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1491 transitions. [2021-11-25 18:40:39,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 18:40:39,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:39,227 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:39,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:40:39,227 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 26 more)] === [2021-11-25 18:40:39,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:39,228 INFO L85 PathProgramCache]: Analyzing trace with hash -763423250, now seen corresponding path program 1 times [2021-11-25 18:40:39,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:39,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221839451] [2021-11-25 18:40:39,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:39,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:39,342 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:39,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221839451] [2021-11-25 18:40:39,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221839451] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:39,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:39,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:39,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474263287] [2021-11-25 18:40:39,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:39,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:39,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:39,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:39,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:39,344 INFO L87 Difference]: Start difference. First operand 1131 states and 1491 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:40:39,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:39,874 INFO L93 Difference]: Finished difference Result 1131 states and 1491 transitions. [2021-11-25 18:40:39,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:39,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2021-11-25 18:40:39,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:39,884 INFO L225 Difference]: With dead ends: 1131 [2021-11-25 18:40:39,884 INFO L226 Difference]: Without dead ends: 1129 [2021-11-25 18:40:39,885 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 [2021-11-25 18:40:39,886 INFO L933 BasicCegarLoop]: 878 mSDtfsCounter, 978 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:39,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [980 Valid, 1756 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2021-11-25 18:40:39,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2021-11-25 18:40:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 624 states have (on average 1.2067307692307692) internal successors, (753), 670 states have internal predecessors, (753), 369 states have call successors, (369), 117 states have call predecessors, (369), 113 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1489 transitions. [2021-11-25 18:40:39,972 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1489 transitions. Word has length 72 [2021-11-25 18:40:39,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:39,972 INFO L470 AbstractCegarLoop]: Abstraction has 1129 states and 1489 transitions. [2021-11-25 18:40:39,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:40:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1489 transitions. [2021-11-25 18:40:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 18:40:39,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:39,974 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:39,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:40:39,975 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:39,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:39,975 INFO L85 PathProgramCache]: Analyzing trace with hash 921797915, now seen corresponding path program 1 times [2021-11-25 18:40:39,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:39,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867281105] [2021-11-25 18:40:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:39,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-25 18:40:40,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:40,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867281105] [2021-11-25 18:40:40,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867281105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:40,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:40,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:40:40,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869452910] [2021-11-25 18:40:40,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:40,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:40:40,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:40,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:40:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:40:40,155 INFO L87 Difference]: Start difference. First operand 1129 states and 1489 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:41,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:41,885 INFO L93 Difference]: Finished difference Result 1135 states and 1492 transitions. [2021-11-25 18:40:41,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:40:41,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2021-11-25 18:40:41,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:41,896 INFO L225 Difference]: With dead ends: 1135 [2021-11-25 18:40:41,896 INFO L226 Difference]: Without dead ends: 1133 [2021-11-25 18:40:41,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:40:41,898 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 923 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:41,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 3073 Invalid, 984 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:40:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2021-11-25 18:40:41,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2021-11-25 18:40:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 626 states have (on average 1.2028753993610224) internal successors, (753), 671 states have internal predecessors, (753), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1489 transitions. [2021-11-25 18:40:41,997 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1489 transitions. Word has length 90 [2021-11-25 18:40:41,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:41,998 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 1489 transitions. [2021-11-25 18:40:41,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1489 transitions. [2021-11-25 18:40:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:40:42,000 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:42,000 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:42,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:40:42,001 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 26 more)] === [2021-11-25 18:40:42,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:42,001 INFO L85 PathProgramCache]: Analyzing trace with hash -578697731, now seen corresponding path program 1 times [2021-11-25 18:40:42,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:42,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550426800] [2021-11-25 18:40:42,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:42,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:42,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:42,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550426800] [2021-11-25 18:40:42,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550426800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:42,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:42,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:42,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050812746] [2021-11-25 18:40:42,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:42,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:42,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:42,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:42,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:42,126 INFO L87 Difference]: Start difference. First operand 1133 states and 1489 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:40:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:42,628 INFO L93 Difference]: Finished difference Result 1133 states and 1489 transitions. [2021-11-25 18:40:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:42,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-25 18:40:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:42,638 INFO L225 Difference]: With dead ends: 1133 [2021-11-25 18:40:42,638 INFO L226 Difference]: Without dead ends: 1131 [2021-11-25 18:40:42,639 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 [2021-11-25 18:40:42,640 INFO L933 BasicCegarLoop]: 874 mSDtfsCounter, 973 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:42,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [975 Valid, 1748 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:42,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2021-11-25 18:40:42,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2021-11-25 18:40:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 625 states have (on average 1.2016) internal successors, (751), 669 states have internal predecessors, (751), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1487 transitions. [2021-11-25 18:40:42,749 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1487 transitions. Word has length 77 [2021-11-25 18:40:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:42,749 INFO L470 AbstractCegarLoop]: Abstraction has 1131 states and 1487 transitions. [2021-11-25 18:40:42,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:40:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1487 transitions. [2021-11-25 18:40:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 18:40:42,751 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:42,752 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:42,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:40:42,752 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:42,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:42,753 INFO L85 PathProgramCache]: Analyzing trace with hash -678724078, now seen corresponding path program 1 times [2021-11-25 18:40:42,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:42,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270338159] [2021-11-25 18:40:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-25 18:40:42,900 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:42,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270338159] [2021-11-25 18:40:42,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270338159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:42,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:42,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:40:42,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946253795] [2021-11-25 18:40:42,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:42,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:40:42,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:42,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:40:42,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:40:42,903 INFO L87 Difference]: Start difference. First operand 1131 states and 1487 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:43,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:43,254 INFO L93 Difference]: Finished difference Result 2231 states and 2942 transitions. [2021-11-25 18:40:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:40:43,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2021-11-25 18:40:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:43,264 INFO L225 Difference]: With dead ends: 2231 [2021-11-25 18:40:43,264 INFO L226 Difference]: Without dead ends: 1125 [2021-11-25 18:40:43,269 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 [2021-11-25 18:40:43,270 INFO L933 BasicCegarLoop]: 870 mSDtfsCounter, 965 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:43,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [965 Valid, 870 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:40:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2021-11-25 18:40:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1125. [2021-11-25 18:40:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 620 states have (on average 1.196774193548387) internal successors, (742), 663 states have internal predecessors, (742), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1478 transitions. [2021-11-25 18:40:43,350 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1478 transitions. Word has length 93 [2021-11-25 18:40:43,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:43,351 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 1478 transitions. [2021-11-25 18:40:43,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1478 transitions. [2021-11-25 18:40:43,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 18:40:43,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:43,353 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:43,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:40:43,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:43,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:43,354 INFO L85 PathProgramCache]: Analyzing trace with hash -624198298, now seen corresponding path program 1 times [2021-11-25 18:40:43,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:43,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603395393] [2021-11-25 18:40:43,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:43,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:43,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:43,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603395393] [2021-11-25 18:40:43,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603395393] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:43,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:43,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:43,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285233197] [2021-11-25 18:40:43,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:43,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:43,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:43,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:43,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:43,498 INFO L87 Difference]: Start difference. First operand 1125 states and 1478 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:40:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:44,017 INFO L93 Difference]: Finished difference Result 1125 states and 1478 transitions. [2021-11-25 18:40:44,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:44,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-25 18:40:44,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:44,026 INFO L225 Difference]: With dead ends: 1125 [2021-11-25 18:40:44,027 INFO L226 Difference]: Without dead ends: 1123 [2021-11-25 18:40:44,028 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 [2021-11-25 18:40:44,029 INFO L933 BasicCegarLoop]: 867 mSDtfsCounter, 969 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:44,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [971 Valid, 1730 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:44,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2021-11-25 18:40:44,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1123. [2021-11-25 18:40:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1123 states, 619 states have (on average 1.1954765751211631) internal successors, (740), 661 states have internal predecessors, (740), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 1123 states and 1476 transitions. [2021-11-25 18:40:44,119 INFO L78 Accepts]: Start accepts. Automaton has 1123 states and 1476 transitions. Word has length 82 [2021-11-25 18:40:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:44,119 INFO L470 AbstractCegarLoop]: Abstraction has 1123 states and 1476 transitions. [2021-11-25 18:40:44,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:40:44,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1476 transitions. [2021-11-25 18:40:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 18:40:44,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:44,121 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:44,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:40:44,122 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:44,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1440993673, now seen corresponding path program 1 times [2021-11-25 18:40:44,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:44,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037918743] [2021-11-25 18:40:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:44,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:44,275 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:44,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037918743] [2021-11-25 18:40:44,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037918743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:44,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:44,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:44,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749523430] [2021-11-25 18:40:44,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:44,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:44,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:44,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:44,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:44,278 INFO L87 Difference]: Start difference. First operand 1123 states and 1476 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:40:44,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:44,787 INFO L93 Difference]: Finished difference Result 1123 states and 1476 transitions. [2021-11-25 18:40:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:44,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-25 18:40:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:44,797 INFO L225 Difference]: With dead ends: 1123 [2021-11-25 18:40:44,797 INFO L226 Difference]: Without dead ends: 1121 [2021-11-25 18:40:44,798 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 [2021-11-25 18:40:44,799 INFO L933 BasicCegarLoop]: 865 mSDtfsCounter, 961 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:44,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [963 Valid, 1730 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:44,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2021-11-25 18:40:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1121. [2021-11-25 18:40:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 618 states have (on average 1.1941747572815533) internal successors, (738), 659 states have internal predecessors, (738), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1474 transitions. [2021-11-25 18:40:44,891 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1474 transitions. Word has length 84 [2021-11-25 18:40:44,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:44,891 INFO L470 AbstractCegarLoop]: Abstraction has 1121 states and 1474 transitions. [2021-11-25 18:40:44,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:40:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1474 transitions. [2021-11-25 18:40:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 18:40:44,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:44,893 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:44,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:40:44,894 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:44,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:44,894 INFO L85 PathProgramCache]: Analyzing trace with hash -847720439, now seen corresponding path program 1 times [2021-11-25 18:40:44,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:44,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984345685] [2021-11-25 18:40:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:44,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:44,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:44,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984345685] [2021-11-25 18:40:44,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984345685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:44,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:44,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:44,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972055240] [2021-11-25 18:40:44,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:44,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:44,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:44,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:45,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:45,000 INFO L87 Difference]: Start difference. First operand 1121 states and 1474 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:40:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:45,507 INFO L93 Difference]: Finished difference Result 1121 states and 1474 transitions. [2021-11-25 18:40:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:45,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-25 18:40:45,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:45,517 INFO L225 Difference]: With dead ends: 1121 [2021-11-25 18:40:45,517 INFO L226 Difference]: Without dead ends: 1119 [2021-11-25 18:40:45,518 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 [2021-11-25 18:40:45,519 INFO L933 BasicCegarLoop]: 863 mSDtfsCounter, 960 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:45,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [962 Valid, 1726 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:45,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-11-25 18:40:45,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2021-11-25 18:40:45,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1119 states, 617 states have (on average 1.192868719611021) internal successors, (736), 657 states have internal predecessors, (736), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1472 transitions. [2021-11-25 18:40:45,613 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1472 transitions. Word has length 89 [2021-11-25 18:40:45,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:45,614 INFO L470 AbstractCegarLoop]: Abstraction has 1119 states and 1472 transitions. [2021-11-25 18:40:45,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:40:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1472 transitions. [2021-11-25 18:40:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 18:40:45,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:45,616 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:45,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:40:45,617 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 26 more)] === [2021-11-25 18:40:45,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:45,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2144392809, now seen corresponding path program 1 times [2021-11-25 18:40:45,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:45,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750896723] [2021-11-25 18:40:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:45,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:45,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:45,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750896723] [2021-11-25 18:40:45,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750896723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:45,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:45,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:45,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500992148] [2021-11-25 18:40:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:45,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:45,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:45,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:45,773 INFO L87 Difference]: Start difference. First operand 1119 states and 1472 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:40:46,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:46,260 INFO L93 Difference]: Finished difference Result 1119 states and 1472 transitions. [2021-11-25 18:40:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:46,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-25 18:40:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:46,271 INFO L225 Difference]: With dead ends: 1119 [2021-11-25 18:40:46,271 INFO L226 Difference]: Without dead ends: 1117 [2021-11-25 18:40:46,272 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 [2021-11-25 18:40:46,273 INFO L933 BasicCegarLoop]: 861 mSDtfsCounter, 957 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:46,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [959 Valid, 1722 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2021-11-25 18:40:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1117. [2021-11-25 18:40:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 616 states have (on average 1.1915584415584415) internal successors, (734), 655 states have internal predecessors, (734), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1470 transitions. [2021-11-25 18:40:46,385 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1470 transitions. Word has length 94 [2021-11-25 18:40:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:46,386 INFO L470 AbstractCegarLoop]: Abstraction has 1117 states and 1470 transitions. [2021-11-25 18:40:46,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:40:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1470 transitions. [2021-11-25 18:40:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 18:40:46,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:46,389 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:46,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:40:46,389 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-11-25 18:40:46,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:46,390 INFO L85 PathProgramCache]: Analyzing trace with hash -838378299, now seen corresponding path program 1 times [2021-11-25 18:40:46,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:46,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053980572] [2021-11-25 18:40:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:46,519 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:46,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053980572] [2021-11-25 18:40:46,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053980572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:46,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:46,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:46,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137022237] [2021-11-25 18:40:46,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:46,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:46,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:46,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:46,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:46,522 INFO L87 Difference]: Start difference. First operand 1117 states and 1470 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:40:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:47,064 INFO L93 Difference]: Finished difference Result 1117 states and 1470 transitions. [2021-11-25 18:40:47,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:47,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-25 18:40:47,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:47,073 INFO L225 Difference]: With dead ends: 1117 [2021-11-25 18:40:47,074 INFO L226 Difference]: Without dead ends: 1115 [2021-11-25 18:40:47,075 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 [2021-11-25 18:40:47,075 INFO L933 BasicCegarLoop]: 859 mSDtfsCounter, 954 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:47,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [956 Valid, 1718 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:47,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2021-11-25 18:40:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2021-11-25 18:40:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 615 states have (on average 1.1902439024390243) internal successors, (732), 653 states have internal predecessors, (732), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1468 transitions. [2021-11-25 18:40:47,175 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1468 transitions. Word has length 99 [2021-11-25 18:40:47,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:47,175 INFO L470 AbstractCegarLoop]: Abstraction has 1115 states and 1468 transitions. [2021-11-25 18:40:47,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:40:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1468 transitions. [2021-11-25 18:40:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 18:40:47,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:47,178 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:47,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:40:47,178 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash -296122837, now seen corresponding path program 1 times [2021-11-25 18:40:47,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:47,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709232316] [2021-11-25 18:40:47,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:47,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-25 18:40:47,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:47,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709232316] [2021-11-25 18:40:47,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709232316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:47,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:47,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:40:47,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654903447] [2021-11-25 18:40:47,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:47,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:40:47,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:47,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:40:47,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:40:47,310 INFO L87 Difference]: Start difference. First operand 1115 states and 1468 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:40:47,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:47,678 INFO L93 Difference]: Finished difference Result 2199 states and 2892 transitions. [2021-11-25 18:40:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:40:47,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2021-11-25 18:40:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:47,688 INFO L225 Difference]: With dead ends: 2199 [2021-11-25 18:40:47,688 INFO L226 Difference]: Without dead ends: 1109 [2021-11-25 18:40:47,694 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 [2021-11-25 18:40:47,696 INFO L933 BasicCegarLoop]: 855 mSDtfsCounter, 969 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:47,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 855 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:40:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2021-11-25 18:40:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2021-11-25 18:40:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 610 states have (on average 1.1852459016393442) internal successors, (723), 647 states have internal predecessors, (723), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1459 transitions. [2021-11-25 18:40:47,835 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1459 transitions. Word has length 115 [2021-11-25 18:40:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:47,835 INFO L470 AbstractCegarLoop]: Abstraction has 1109 states and 1459 transitions. [2021-11-25 18:40:47,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:40:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1459 transitions. [2021-11-25 18:40:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 18:40:47,838 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:47,838 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:47,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:40:47,838 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:47,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1038141995, now seen corresponding path program 1 times [2021-11-25 18:40:47,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:47,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415130078] [2021-11-25 18:40:47,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:47,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:47,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:47,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415130078] [2021-11-25 18:40:47,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415130078] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:47,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:47,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:47,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447477356] [2021-11-25 18:40:47,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:47,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:47,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:47,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:47,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:47,992 INFO L87 Difference]: Start difference. First operand 1109 states and 1459 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:40:48,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:48,496 INFO L93 Difference]: Finished difference Result 1109 states and 1459 transitions. [2021-11-25 18:40:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:48,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-25 18:40:48,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:48,505 INFO L225 Difference]: With dead ends: 1109 [2021-11-25 18:40:48,505 INFO L226 Difference]: Without dead ends: 1107 [2021-11-25 18:40:48,507 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 [2021-11-25 18:40:48,507 INFO L933 BasicCegarLoop]: 852 mSDtfsCounter, 946 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 1704 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:48,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [948 Valid, 1704 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:48,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2021-11-25 18:40:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1107. [2021-11-25 18:40:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 609 states have (on average 1.1839080459770115) internal successors, (721), 645 states have internal predecessors, (721), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1457 transitions. [2021-11-25 18:40:48,613 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1457 transitions. Word has length 104 [2021-11-25 18:40:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:48,614 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 1457 transitions. [2021-11-25 18:40:48,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:40:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1457 transitions. [2021-11-25 18:40:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-25 18:40:48,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:48,618 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:48,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:40:48,618 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:48,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:48,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1405726093, now seen corresponding path program 1 times [2021-11-25 18:40:48,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:48,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590380664] [2021-11-25 18:40:48,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:48,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-25 18:40:48,782 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:48,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590380664] [2021-11-25 18:40:48,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590380664] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:40:48,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579402883] [2021-11-25 18:40:48,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:48,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:40:48,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:40:48,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:40:48,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:40:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:49,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:40:49,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:40:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-25 18:40:49,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:40:49,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579402883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:49,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:40:49,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-25 18:40:49,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081154385] [2021-11-25 18:40:49,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:49,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:40:49,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:49,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:40:49,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:40:49,717 INFO L87 Difference]: Start difference. First operand 1107 states and 1457 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:40:50,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:50,095 INFO L93 Difference]: Finished difference Result 2183 states and 2870 transitions. [2021-11-25 18:40:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:40:50,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2021-11-25 18:40:50,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:50,104 INFO L225 Difference]: With dead ends: 2183 [2021-11-25 18:40:50,105 INFO L226 Difference]: Without dead ends: 1101 [2021-11-25 18:40:50,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:40:50,110 INFO L933 BasicCegarLoop]: 848 mSDtfsCounter, 931 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:50,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 848 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:40:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2021-11-25 18:40:50,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2021-11-25 18:40:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 604 states have (on average 1.1788079470198676) internal successors, (712), 639 states have internal predecessors, (712), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1448 transitions. [2021-11-25 18:40:50,290 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1448 transitions. Word has length 120 [2021-11-25 18:40:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:50,290 INFO L470 AbstractCegarLoop]: Abstraction has 1101 states and 1448 transitions. [2021-11-25 18:40:50,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:40:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1448 transitions. [2021-11-25 18:40:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 18:40:50,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:50,293 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:50,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:40:50,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-25 18:40:50,510 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 26 more)] === [2021-11-25 18:40:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1157692336, now seen corresponding path program 1 times [2021-11-25 18:40:50,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375807151] [2021-11-25 18:40:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:50,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:50,641 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:50,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375807151] [2021-11-25 18:40:50,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375807151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:50,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:50,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:50,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368516826] [2021-11-25 18:40:50,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:50,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:50,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:50,644 INFO L87 Difference]: Start difference. First operand 1101 states and 1448 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:40:51,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:51,281 INFO L93 Difference]: Finished difference Result 1101 states and 1448 transitions. [2021-11-25 18:40:51,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:51,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-25 18:40:51,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:51,290 INFO L225 Difference]: With dead ends: 1101 [2021-11-25 18:40:51,291 INFO L226 Difference]: Without dead ends: 1099 [2021-11-25 18:40:51,292 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 [2021-11-25 18:40:51,293 INFO L933 BasicCegarLoop]: 845 mSDtfsCounter, 938 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 940 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:51,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [940 Valid, 1690 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:40:51,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2021-11-25 18:40:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2021-11-25 18:40:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 603 states have (on average 1.1774461028192371) internal successors, (710), 637 states have internal predecessors, (710), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1446 transitions. [2021-11-25 18:40:51,414 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1446 transitions. Word has length 109 [2021-11-25 18:40:51,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:51,414 INFO L470 AbstractCegarLoop]: Abstraction has 1099 states and 1446 transitions. [2021-11-25 18:40:51,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:40:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1446 transitions. [2021-11-25 18:40:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 18:40:51,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:51,417 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:51,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:40:51,418 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 26 more)] === [2021-11-25 18:40:51,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:51,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1785240895, now seen corresponding path program 1 times [2021-11-25 18:40:51,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:51,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058221690] [2021-11-25 18:40:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:51,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:51,561 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:51,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058221690] [2021-11-25 18:40:51,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058221690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:51,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:51,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:51,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436191952] [2021-11-25 18:40:51,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:51,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:51,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:51,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:51,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:51,565 INFO L87 Difference]: Start difference. First operand 1099 states and 1446 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:40:52,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:52,094 INFO L93 Difference]: Finished difference Result 1099 states and 1446 transitions. [2021-11-25 18:40:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:52,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-25 18:40:52,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:52,103 INFO L225 Difference]: With dead ends: 1099 [2021-11-25 18:40:52,103 INFO L226 Difference]: Without dead ends: 1097 [2021-11-25 18:40:52,104 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 [2021-11-25 18:40:52,104 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 935 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 937 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:52,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [937 Valid, 1686 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:52,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2021-11-25 18:40:52,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2021-11-25 18:40:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1097 states, 602 states have (on average 1.176079734219269) internal successors, (708), 635 states have internal predecessors, (708), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1444 transitions. [2021-11-25 18:40:52,216 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1444 transitions. Word has length 114 [2021-11-25 18:40:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:52,216 INFO L470 AbstractCegarLoop]: Abstraction has 1097 states and 1444 transitions. [2021-11-25 18:40:52,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:40:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1444 transitions. [2021-11-25 18:40:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 18:40:52,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:52,219 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:52,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:40:52,219 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 26 more)] === [2021-11-25 18:40:52,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -940704325, now seen corresponding path program 1 times [2021-11-25 18:40:52,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:52,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646872177] [2021-11-25 18:40:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:52,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:52,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:52,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646872177] [2021-11-25 18:40:52,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646872177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:52,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:52,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:52,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758614975] [2021-11-25 18:40:52,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:52,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:52,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:52,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:52,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:52,336 INFO L87 Difference]: Start difference. First operand 1097 states and 1444 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:40:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:52,886 INFO L93 Difference]: Finished difference Result 1097 states and 1444 transitions. [2021-11-25 18:40:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:52,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-25 18:40:52,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:52,895 INFO L225 Difference]: With dead ends: 1097 [2021-11-25 18:40:52,895 INFO L226 Difference]: Without dead ends: 1095 [2021-11-25 18:40:52,896 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 [2021-11-25 18:40:52,897 INFO L933 BasicCegarLoop]: 841 mSDtfsCounter, 932 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:52,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [934 Valid, 1682 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:52,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2021-11-25 18:40:53,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2021-11-25 18:40:53,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 601 states have (on average 1.1747088186356074) internal successors, (706), 633 states have internal predecessors, (706), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1442 transitions. [2021-11-25 18:40:53,021 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1442 transitions. Word has length 119 [2021-11-25 18:40:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:53,021 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 1442 transitions. [2021-11-25 18:40:53,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:40:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1442 transitions. [2021-11-25 18:40:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 18:40:53,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:53,024 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:53,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:40:53,025 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:53,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:53,025 INFO L85 PathProgramCache]: Analyzing trace with hash 981038642, now seen corresponding path program 1 times [2021-11-25 18:40:53,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:53,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072987373] [2021-11-25 18:40:53,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:53,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:53,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:53,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072987373] [2021-11-25 18:40:53,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072987373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:53,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:53,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:53,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348390521] [2021-11-25 18:40:53,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:53,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:53,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:53,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:53,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:53,138 INFO L87 Difference]: Start difference. First operand 1095 states and 1442 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:40:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:53,709 INFO L93 Difference]: Finished difference Result 1095 states and 1442 transitions. [2021-11-25 18:40:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:53,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-25 18:40:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:53,718 INFO L225 Difference]: With dead ends: 1095 [2021-11-25 18:40:53,719 INFO L226 Difference]: Without dead ends: 1093 [2021-11-25 18:40:53,720 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 [2021-11-25 18:40:53,720 INFO L933 BasicCegarLoop]: 839 mSDtfsCounter, 929 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:53,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 1678 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2021-11-25 18:40:53,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2021-11-25 18:40:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 600 states have (on average 1.1733333333333333) internal successors, (704), 631 states have internal predecessors, (704), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1440 transitions. [2021-11-25 18:40:53,851 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1440 transitions. Word has length 124 [2021-11-25 18:40:53,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:53,851 INFO L470 AbstractCegarLoop]: Abstraction has 1093 states and 1440 transitions. [2021-11-25 18:40:53,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:40:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1440 transitions. [2021-11-25 18:40:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 18:40:53,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:53,855 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:53,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:40:53,855 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:53,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:53,856 INFO L85 PathProgramCache]: Analyzing trace with hash -68901429, now seen corresponding path program 1 times [2021-11-25 18:40:53,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:53,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966550601] [2021-11-25 18:40:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:53,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:53,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:53,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966550601] [2021-11-25 18:40:53,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966550601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:53,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:53,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:53,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190118549] [2021-11-25 18:40:53,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:53,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:53,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:53,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:53,984 INFO L87 Difference]: Start difference. First operand 1093 states and 1440 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:40:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:54,548 INFO L93 Difference]: Finished difference Result 1093 states and 1440 transitions. [2021-11-25 18:40:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:54,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2021-11-25 18:40:54,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:54,556 INFO L225 Difference]: With dead ends: 1093 [2021-11-25 18:40:54,557 INFO L226 Difference]: Without dead ends: 1091 [2021-11-25 18:40:54,559 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 [2021-11-25 18:40:54,560 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 926 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:54,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [928 Valid, 1674 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:54,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-11-25 18:40:54,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2021-11-25 18:40:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 599 states have (on average 1.1719532554257095) internal successors, (702), 629 states have internal predecessors, (702), 369 states have call successors, (369), 120 states have call predecessors, (369), 116 states have return successors, (367), 359 states have call predecessors, (367), 367 states have call successors, (367) [2021-11-25 18:40:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1438 transitions. [2021-11-25 18:40:54,714 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1438 transitions. Word has length 129 [2021-11-25 18:40:54,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:54,715 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1438 transitions. [2021-11-25 18:40:54,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:40:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1438 transitions. [2021-11-25 18:40:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-25 18:40:54,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:54,718 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:54,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 18:40:54,719 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:54,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:54,719 INFO L85 PathProgramCache]: Analyzing trace with hash -761036920, now seen corresponding path program 1 times [2021-11-25 18:40:54,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:54,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897778325] [2021-11-25 18:40:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:54,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 18:40:55,022 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:55,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897778325] [2021-11-25 18:40:55,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897778325] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:40:55,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819106911] [2021-11-25 18:40:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:55,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:40:55,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:40:55,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:40:55,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:40:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:55,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 2038 conjuncts, 89 conjunts are in the unsatisfiable core [2021-11-25 18:40:55,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:40:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-25 18:40:56,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:40:56,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819106911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:56,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:40:56,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 9 [2021-11-25 18:40:56,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624953661] [2021-11-25 18:40:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:56,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-25 18:40:56,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:56,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-25 18:40:56,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:40:56,117 INFO L87 Difference]: Start difference. First operand 1091 states and 1438 transitions. Second operand has 9 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 18:40:58,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:58,475 INFO L93 Difference]: Finished difference Result 2345 states and 3146 transitions. [2021-11-25 18:40:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:40:58,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) Word has length 167 [2021-11-25 18:40:58,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:58,497 INFO L225 Difference]: With dead ends: 2345 [2021-11-25 18:40:58,497 INFO L226 Difference]: Without dead ends: 1279 [2021-11-25 18:40:58,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:40:58,503 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 52 mSDsluCounter, 7504 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 7600 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:58,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 7600 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-25 18:40:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-11-25 18:40:58,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1107. [2021-11-25 18:40:58,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 609 states have (on average 1.1691297208538587) internal successors, (712), 639 states have internal predecessors, (712), 371 states have call successors, (371), 120 states have call predecessors, (371), 120 states have return successors, (376), 365 states have call predecessors, (376), 369 states have call successors, (376) [2021-11-25 18:40:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1459 transitions. [2021-11-25 18:40:58,653 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1459 transitions. Word has length 167 [2021-11-25 18:40:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:58,653 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 1459 transitions. [2021-11-25 18:40:58,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-25 18:40:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1459 transitions. [2021-11-25 18:40:58,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 18:40:58,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:58,656 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:58,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:40:58,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-25 18:40:58,871 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:58,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:58,871 INFO L85 PathProgramCache]: Analyzing trace with hash -118841536, now seen corresponding path program 1 times [2021-11-25 18:40:58,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:58,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623851967] [2021-11-25 18:40:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:58,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:58,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:58,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623851967] [2021-11-25 18:40:58,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623851967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:58,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:58,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:58,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694581564] [2021-11-25 18:40:58,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:58,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:58,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:58,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:58,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:58,988 INFO L87 Difference]: Start difference. First operand 1107 states and 1459 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:40:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:59,555 INFO L93 Difference]: Finished difference Result 1107 states and 1459 transitions. [2021-11-25 18:40:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:59,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2021-11-25 18:40:59,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:59,563 INFO L225 Difference]: With dead ends: 1107 [2021-11-25 18:40:59,563 INFO L226 Difference]: Without dead ends: 1105 [2021-11-25 18:40:59,564 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 [2021-11-25 18:40:59,565 INFO L933 BasicCegarLoop]: 835 mSDtfsCounter, 923 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:59,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 1670 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 18:40:59,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2021-11-25 18:40:59,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2021-11-25 18:40:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 608 states have (on average 1.167763157894737) internal successors, (710), 637 states have internal predecessors, (710), 371 states have call successors, (371), 120 states have call predecessors, (371), 120 states have return successors, (376), 365 states have call predecessors, (376), 369 states have call successors, (376) [2021-11-25 18:40:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1457 transitions. [2021-11-25 18:40:59,699 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1457 transitions. Word has length 134 [2021-11-25 18:40:59,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:59,699 INFO L470 AbstractCegarLoop]: Abstraction has 1105 states and 1457 transitions. [2021-11-25 18:40:59,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:40:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1457 transitions. [2021-11-25 18:40:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 18:40:59,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:59,702 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:59,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 18:40:59,703 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:59,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:59,703 INFO L85 PathProgramCache]: Analyzing trace with hash -686935485, now seen corresponding path program 1 times [2021-11-25 18:40:59,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:59,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300237783] [2021-11-25 18:40:59,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:59,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:59,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:59,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300237783] [2021-11-25 18:40:59,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300237783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:59,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:59,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:59,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656556843] [2021-11-25 18:40:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:59,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:59,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:59,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:59,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:59,819 INFO L87 Difference]: Start difference. First operand 1105 states and 1457 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 18:41:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:00,416 INFO L93 Difference]: Finished difference Result 1105 states and 1457 transitions. [2021-11-25 18:41:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:00,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2021-11-25 18:41:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:00,430 INFO L225 Difference]: With dead ends: 1105 [2021-11-25 18:41:00,430 INFO L226 Difference]: Without dead ends: 1103 [2021-11-25 18:41:00,431 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 [2021-11-25 18:41:00,432 INFO L933 BasicCegarLoop]: 833 mSDtfsCounter, 920 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:00,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [922 Valid, 1666 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:41:00,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2021-11-25 18:41:00,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1103. [2021-11-25 18:41:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 607 states have (on average 1.1663920922570017) internal successors, (708), 635 states have internal predecessors, (708), 371 states have call successors, (371), 120 states have call predecessors, (371), 120 states have return successors, (376), 365 states have call predecessors, (376), 369 states have call successors, (376) [2021-11-25 18:41:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1455 transitions. [2021-11-25 18:41:00,568 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1455 transitions. Word has length 139 [2021-11-25 18:41:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:00,569 INFO L470 AbstractCegarLoop]: Abstraction has 1103 states and 1455 transitions. [2021-11-25 18:41:00,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 18:41:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1455 transitions. [2021-11-25 18:41:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 18:41:00,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:00,573 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:00,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 18:41:00,573 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:00,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1767093598, now seen corresponding path program 1 times [2021-11-25 18:41:00,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:00,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158447799] [2021-11-25 18:41:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:00,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:00,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:00,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158447799] [2021-11-25 18:41:00,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158447799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:00,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:00,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:00,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073494782] [2021-11-25 18:41:00,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:00,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:00,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:00,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:00,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:00,696 INFO L87 Difference]: Start difference. First operand 1103 states and 1455 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 18:41:01,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:01,428 INFO L93 Difference]: Finished difference Result 1103 states and 1455 transitions. [2021-11-25 18:41:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:01,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2021-11-25 18:41:01,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:01,435 INFO L225 Difference]: With dead ends: 1103 [2021-11-25 18:41:01,435 INFO L226 Difference]: Without dead ends: 960 [2021-11-25 18:41:01,436 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 [2021-11-25 18:41:01,437 INFO L933 BasicCegarLoop]: 832 mSDtfsCounter, 917 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:01,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 1664 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:41:01,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-11-25 18:41:01,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2021-11-25 18:41:01,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 534 states have (on average 1.1816479400749065) internal successors, (631), 559 states have internal predecessors, (631), 322 states have call successors, (322), 100 states have call predecessors, (322), 100 states have return successors, (327), 318 states have call predecessors, (327), 320 states have call successors, (327) [2021-11-25 18:41:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1280 transitions. [2021-11-25 18:41:01,601 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1280 transitions. Word has length 144 [2021-11-25 18:41:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:01,601 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1280 transitions. [2021-11-25 18:41:01,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 18:41:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1280 transitions. [2021-11-25 18:41:01,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-25 18:41:01,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:01,605 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:01,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 18:41:01,606 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1803478606, now seen corresponding path program 1 times [2021-11-25 18:41:01,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:01,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974155519] [2021-11-25 18:41:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:01,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:01,689 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:41:01,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800467082] [2021-11-25 18:41:01,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:01,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:41:01,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:41:01,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:41:01,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e965053-1c14-4fca-a716-de1b13de3092/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:41:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:02,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 18:41:02,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:41:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-11-25 18:41:03,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:41:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-11-25 18:41:03,880 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:03,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974155519] [2021-11-25 18:41:03,880 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:41:03,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800467082] [2021-11-25 18:41:03,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800467082] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:41:03,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [85684691] [2021-11-25 18:41:03,908 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2021-11-25 18:41:03,908 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:41:03,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:41:03,919 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:41:03,919 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:41:05,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:05,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 53 [2021-11-25 18:41:06,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 995 treesize of output 855 [2021-11-25 18:41:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:06,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 53 [2021-11-25 18:41:22,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-25 18:41:22,347 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 6 treesize of output 5 [2021-11-25 18:41:27,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2021-11-25 18:41:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-25 18:41:27,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:41:28,785 INFO L354 Elim1Store]: treesize reduction 323, result has 50.1 percent of original size [2021-11-25 18:41:28,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 1063 treesize of output 1145 [2021-11-25 18:41:32,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:32,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:33,163 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:33,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:34,030 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:34,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:34,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:34,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:35,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:35,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:36,123 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:36,275 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:36,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:37,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:37,394 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:37,546 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:40,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:40,733 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:40,964 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:41,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:42,279 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:42,439 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:42,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:43,045 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:44,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:44,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:44,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:44,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:45,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:45,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:46,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:46,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:55,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:55,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:56,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:56,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:56,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:56,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:57,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:57,454 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:59,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:59,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:59,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:41:59,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:00,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:01,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:01,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:01,697 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:03,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:04,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:04,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:04,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:05,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:05,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:06,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:06,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:08,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:08,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:08,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:08,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:09,520 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:09,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:10,002 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:10,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:24,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:24,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:24,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:24,665 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:25,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:26,091 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:26,438 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:26,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:29,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:29,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:29,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:30,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:31,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:31,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:32,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:32,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:36,688 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:36,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:37,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:37,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:38,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:39,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:39,444 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:39,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:43,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:43,371 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:43,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:43,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:45,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:45,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:46,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:42:46,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:02,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:02,853 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:03,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:03,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:05,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:05,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:05,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:06,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:08,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:08,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:09,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:09,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:10,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:10,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:11,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:11,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:17,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:17,900 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:18,300 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:18,544 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:20,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:20,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:21,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:21,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:25,397 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:25,716 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:26,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:26,495 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:28,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:28,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:28,870 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:43:29,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:47,506 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:47,704 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:48,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:48,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:49,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:49,687 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:50,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:50,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:53,726 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:53,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:54,458 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:54,639 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:56,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:56,214 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:56,700 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:44:56,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:04,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:04,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:04,874 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:05,089 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:06,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:06,346 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:06,587 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:06,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:09,968 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:10,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:10,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:10,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:12,197 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:12,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:12,795 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:12,987 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,426 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:26,844 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:27,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:28,569 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:28,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:29,191 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:29,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:32,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:32,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:33,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:33,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:34,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:35,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:41,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:41,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:42,004 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:42,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:43,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:43,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:44,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:44,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:48,958 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:49,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:49,588 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:49,836 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:52,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:52,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:53,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:45:53,354 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:15,864 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:16,157 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:16,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:17,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:17,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:18,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:18,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:18,945 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:20,798 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:21,043 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:21,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:21,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:22,686 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:22,895 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:23,481 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:23,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:29,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:29,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:30,049 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:30,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:31,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:31,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:31,780 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:31,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:33,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:34,165 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:34,608 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:34,834 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:35,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:35,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:36,019 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:36,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:43,502 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:43,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:44,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:44,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:44,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:45,181 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:45,471 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:45,701 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:47,607 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:47,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:48,114 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:48,340 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:49,153 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:49,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:49,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:49,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:46:49,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:46:49,838 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:46:49,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 88 [2021-11-25 18:46:53,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:53,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:54,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:54,635 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:55,246 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:55,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:55,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:55,938 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:58,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:58,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:59,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:46:59,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:47:00,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:47:00,890 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:47:01,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:47:01,820 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:40,199 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:40,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:41,245 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:41,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:46,215 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:46,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:47,611 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:48,105 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:54,615 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:55,021 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:55,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:56,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:48:59,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:00,180 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:00,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:01,161 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:19,861 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:20,209 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:20,901 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:21,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:26,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:26,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:27,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:27,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:33,393 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:33,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:34,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:34,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:39,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:39,345 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:39,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:49:40,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:02,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:03,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:03,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:04,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:09,743 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:10,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:11,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:11,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:17,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:17,761 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:18,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:18,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:23,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:23,501 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:23,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:24,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:42,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:43,198 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:43,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:44,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:47,266 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:47,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:48,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:48,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:57,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:57,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:58,877 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:50:59,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:03,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:03,614 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:04,676 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:05,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:58,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:58,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:59,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:51:59,540 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:02,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:02,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:03,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:04,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:07,714 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:08,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:08,617 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:08,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:11,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:11,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:12,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:12,514 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:21,225 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:21,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:22,135 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:22,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:25,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,176 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:26,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:27,295 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:32,063 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:32,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:33,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:33,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:35,464 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:35,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:36,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:52:36,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:06,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:07,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:07,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:08,060 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:10,828 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:11,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:11,903 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:12,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:17,745 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:18,248 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:18,709 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:19,192 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:22,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:22,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:23,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:23,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:31,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:32,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:32,644 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:33,005 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:36,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:37,178 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:38,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:38,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:43,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:43,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:44,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 18:53:45,282 WARN L234 Elim1Store]: Array PQE input equivalent to false