./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--input--touchscreen--elants_i2c.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF --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 c80eb64b2f9217863d1cee53bd309527a1698bb6d7dac474881d4795c24080c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:59,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:59,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:59,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:59,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:59,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:59,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:59,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:59,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:59,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:59,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:59,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:59,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:59,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:59,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:59,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:59,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:59,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:59,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:59,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:59,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:59,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:59,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:59,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:59,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:59,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:59,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:59,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:59,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:59,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:59,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:59,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:59,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:59,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:59,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:59,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:59,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:59,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:59,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:59,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:59,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:59,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:37:59,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:59,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:59,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:59,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:59,379 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:59,379 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:59,385 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:59,385 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:37:59,385 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:59,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:59,386 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:37:59,386 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:37:59,386 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:59,386 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:37:59,387 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:37:59,387 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:37:59,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:59,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:59,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:59,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:59,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:59,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:59,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:59,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:59,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:59,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:59,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:37:59,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:37:59,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:59,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:59,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:59,390 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_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80eb64b2f9217863d1cee53bd309527a1698bb6d7dac474881d4795c24080c8 [2021-11-12 23:37:59,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:37:59,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:37:59,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:37:59,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:37:59,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:37:59,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i [2021-11-12 23:37:59,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/dd1478114/046b4b1f6f8b41bbbc1894a45a18c750/FLAGaeb4b2e91 [2021-11-12 23:38:00,671 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:38:00,672 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i [2021-11-12 23:38:00,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/dd1478114/046b4b1f6f8b41bbbc1894a45a18c750/FLAGaeb4b2e91 [2021-11-12 23:38:01,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/dd1478114/046b4b1f6f8b41bbbc1894a45a18c750 [2021-11-12 23:38:01,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:38:01,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:38:01,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:01,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:38:01,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:38:01,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:01" (1/1) ... [2021-11-12 23:38:01,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316df09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:01, skipping insertion in model container [2021-11-12 23:38:01,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:01" (1/1) ... [2021-11-12 23:38:01,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:38:01,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:02,828 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,834 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,844 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,864 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,865 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,923 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:02,930 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:38:04,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301233,301246] [2021-11-12 23:38:04,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301378,301391] [2021-11-12 23:38:04,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301524,301537] [2021-11-12 23:38:04,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301689,301702] [2021-11-12 23:38:04,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301847,301860] [2021-11-12 23:38:04,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302005,302018] [2021-11-12 23:38:04,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302163,302176] [2021-11-12 23:38:04,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302323,302336] [2021-11-12 23:38:04,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302482,302495] [2021-11-12 23:38:04,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302621,302634] [2021-11-12 23:38:04,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302763,302776] [2021-11-12 23:38:04,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302912,302925] [2021-11-12 23:38:04,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303051,303064] [2021-11-12 23:38:04,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303206,303219] [2021-11-12 23:38:04,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303366,303379] [2021-11-12 23:38:04,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303517,303530] [2021-11-12 23:38:04,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303668,303681] [2021-11-12 23:38:04,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303820,303833] [2021-11-12 23:38:04,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303969,303982] [2021-11-12 23:38:04,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304117,304130] [2021-11-12 23:38:04,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304274,304287] [2021-11-12 23:38:04,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304423,304436] [2021-11-12 23:38:04,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304579,304592] [2021-11-12 23:38:04,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304732,304745] [2021-11-12 23:38:04,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304878,304891] [2021-11-12 23:38:04,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305021,305034] [2021-11-12 23:38:04,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305173,305186] [2021-11-12 23:38:04,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305319,305332] [2021-11-12 23:38:04,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305464,305477] [2021-11-12 23:38:04,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305618,305631] [2021-11-12 23:38:04,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305769,305782] [2021-11-12 23:38:04,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305924,305937] [2021-11-12 23:38:04,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306076,306089] [2021-11-12 23:38:04,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306231,306244] [2021-11-12 23:38:04,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306395,306408] [2021-11-12 23:38:04,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306551,306564] [2021-11-12 23:38:04,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306715,306728] [2021-11-12 23:38:04,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306857,306870] [2021-11-12 23:38:04,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307015,307028] [2021-11-12 23:38:04,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307182,307195] [2021-11-12 23:38:04,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307341,307354] [2021-11-12 23:38:04,271 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307500,307513] [2021-11-12 23:38:04,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307649,307662] [2021-11-12 23:38:04,272 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307796,307809] [2021-11-12 23:38:04,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307935,307948] [2021-11-12 23:38:04,273 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308098,308111] [2021-11-12 23:38:04,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308264,308277] [2021-11-12 23:38:04,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308428,308441] [2021-11-12 23:38:04,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308593,308606] [2021-11-12 23:38:04,275 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308758,308771] [2021-11-12 23:38:04,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308924,308937] [2021-11-12 23:38:04,276 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309089,309102] [2021-11-12 23:38:04,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309256,309269] [2021-11-12 23:38:04,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309416,309429] [2021-11-12 23:38:04,277 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309578,309591] [2021-11-12 23:38:04,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309737,309750] [2021-11-12 23:38:04,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309883,309896] [2021-11-12 23:38:04,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310026,310039] [2021-11-12 23:38:04,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310170,310183] [2021-11-12 23:38:04,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310313,310326] [2021-11-12 23:38:04,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310457,310470] [2021-11-12 23:38:04,281 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310598,310611] [2021-11-12 23:38:04,281 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310736,310749] [2021-11-12 23:38:04,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310894,310907] [2021-11-12 23:38:04,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311053,311066] [2021-11-12 23:38:04,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311209,311222] [2021-11-12 23:38:04,283 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311358,311371] [2021-11-12 23:38:04,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311510,311523] [2021-11-12 23:38:04,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311661,311674] [2021-11-12 23:38:04,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311810,311823] [2021-11-12 23:38:04,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311962,311975] [2021-11-12 23:38:04,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312110,312123] [2021-11-12 23:38:04,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312263,312276] [2021-11-12 23:38:04,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312414,312427] [2021-11-12 23:38:04,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312564,312577] [2021-11-12 23:38:04,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312711,312724] [2021-11-12 23:38:04,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312862,312875] [2021-11-12 23:38:04,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313013,313026] [2021-11-12 23:38:04,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313161,313174] [2021-11-12 23:38:04,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313327,313340] [2021-11-12 23:38:04,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313496,313509] [2021-11-12 23:38:04,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313663,313676] [2021-11-12 23:38:04,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313831,313844] [2021-11-12 23:38:04,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313981,313994] [2021-11-12 23:38:04,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314128,314141] [2021-11-12 23:38:04,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314289,314302] [2021-11-12 23:38:04,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314459,314472] [2021-11-12 23:38:04,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314621,314634] [2021-11-12 23:38:04,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:04,332 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:38:04,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56b00ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:04, skipping insertion in model container [2021-11-12 23:38:04,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:04,333 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:38:04,335 INFO L158 Benchmark]: Toolchain (without parser) took 3263.59ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 52.0MB in the end (delta: 34.0MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-11-12 23:38:04,336 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:38:04,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3261.28ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 52.6MB in the end (delta: 33.4MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-11-12 23:38:04,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3261.28ms. Allocated memory is still 113.2MB. Free memory was 86.0MB in the beginning and 52.6MB in the end (delta: 33.4MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4652]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF --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 c80eb64b2f9217863d1cee53bd309527a1698bb6d7dac474881d4795c24080c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:38:06,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:38:06,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:38:06,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:38:06,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:38:06,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:38:06,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:38:06,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:38:06,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:38:06,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:38:06,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:38:06,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:38:06,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:38:06,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:38:06,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:38:06,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:38:06,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:38:06,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:38:06,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:38:06,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:38:06,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:38:06,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:38:06,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:38:06,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:38:06,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:38:06,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:38:06,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:38:06,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:38:06,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:38:06,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:38:06,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:38:06,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:38:06,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:38:06,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:38:06,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:38:06,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:38:06,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:38:06,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:38:06,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:38:06,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:38:06,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:38:06,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:38:06,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:38:06,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:38:06,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:38:06,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:38:06,686 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:38:06,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:38:06,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:38:06,687 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:38:06,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:38:06,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:38:06,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:38:06,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:38:06,689 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:38:06,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:38:06,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:38:06,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:38:06,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:38:06,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:38:06,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:38:06,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:06,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:38:06,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:38:06,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:38:06,693 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80eb64b2f9217863d1cee53bd309527a1698bb6d7dac474881d4795c24080c8 [2021-11-12 23:38:07,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:38:07,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:38:07,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:38:07,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:38:07,082 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:38:07,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i [2021-11-12 23:38:07,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/e0634b82f/91b677470cf94bcf8a1e7f94fab0dc0f/FLAGab51652fd [2021-11-12 23:38:08,129 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:38:08,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i [2021-11-12 23:38:08,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/e0634b82f/91b677470cf94bcf8a1e7f94fab0dc0f/FLAGab51652fd [2021-11-12 23:38:08,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/data/e0634b82f/91b677470cf94bcf8a1e7f94fab0dc0f [2021-11-12 23:38:08,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:38:08,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:38:08,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:08,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:38:08,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:38:08,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:08" (1/1) ... [2021-11-12 23:38:08,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18119e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:08, skipping insertion in model container [2021-11-12 23:38:08,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:08" (1/1) ... [2021-11-12 23:38:08,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:38:08,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:11,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301233,301246] [2021-11-12 23:38:11,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301378,301391] [2021-11-12 23:38:11,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301524,301537] [2021-11-12 23:38:11,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301689,301702] [2021-11-12 23:38:11,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301847,301860] [2021-11-12 23:38:11,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302005,302018] [2021-11-12 23:38:11,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302163,302176] [2021-11-12 23:38:11,686 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302323,302336] [2021-11-12 23:38:11,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302482,302495] [2021-11-12 23:38:11,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302621,302634] [2021-11-12 23:38:11,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302763,302776] [2021-11-12 23:38:11,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302912,302925] [2021-11-12 23:38:11,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303051,303064] [2021-11-12 23:38:11,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303206,303219] [2021-11-12 23:38:11,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303366,303379] [2021-11-12 23:38:11,692 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303517,303530] [2021-11-12 23:38:11,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303668,303681] [2021-11-12 23:38:11,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303820,303833] [2021-11-12 23:38:11,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303969,303982] [2021-11-12 23:38:11,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304117,304130] [2021-11-12 23:38:11,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304274,304287] [2021-11-12 23:38:11,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304423,304436] [2021-11-12 23:38:11,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304579,304592] [2021-11-12 23:38:11,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304732,304745] [2021-11-12 23:38:11,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304878,304891] [2021-11-12 23:38:11,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305021,305034] [2021-11-12 23:38:11,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305173,305186] [2021-11-12 23:38:11,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305319,305332] [2021-11-12 23:38:11,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305464,305477] [2021-11-12 23:38:11,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305618,305631] [2021-11-12 23:38:11,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305769,305782] [2021-11-12 23:38:11,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305924,305937] [2021-11-12 23:38:11,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306076,306089] [2021-11-12 23:38:11,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306231,306244] [2021-11-12 23:38:11,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306395,306408] [2021-11-12 23:38:11,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306551,306564] [2021-11-12 23:38:11,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306715,306728] [2021-11-12 23:38:11,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306857,306870] [2021-11-12 23:38:11,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307015,307028] [2021-11-12 23:38:11,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307182,307195] [2021-11-12 23:38:11,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307341,307354] [2021-11-12 23:38:11,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307500,307513] [2021-11-12 23:38:11,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307649,307662] [2021-11-12 23:38:11,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307796,307809] [2021-11-12 23:38:11,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307935,307948] [2021-11-12 23:38:11,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308098,308111] [2021-11-12 23:38:11,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308264,308277] [2021-11-12 23:38:11,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308428,308441] [2021-11-12 23:38:11,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308593,308606] [2021-11-12 23:38:11,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308758,308771] [2021-11-12 23:38:11,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308924,308937] [2021-11-12 23:38:11,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309089,309102] [2021-11-12 23:38:11,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309256,309269] [2021-11-12 23:38:11,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309416,309429] [2021-11-12 23:38:11,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309578,309591] [2021-11-12 23:38:11,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309737,309750] [2021-11-12 23:38:11,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309883,309896] [2021-11-12 23:38:11,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310026,310039] [2021-11-12 23:38:11,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310170,310183] [2021-11-12 23:38:11,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310313,310326] [2021-11-12 23:38:11,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310457,310470] [2021-11-12 23:38:11,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310598,310611] [2021-11-12 23:38:11,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310736,310749] [2021-11-12 23:38:11,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310894,310907] [2021-11-12 23:38:11,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311053,311066] [2021-11-12 23:38:11,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311209,311222] [2021-11-12 23:38:11,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311358,311371] [2021-11-12 23:38:11,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311510,311523] [2021-11-12 23:38:11,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311661,311674] [2021-11-12 23:38:11,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311810,311823] [2021-11-12 23:38:11,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311962,311975] [2021-11-12 23:38:11,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312110,312123] [2021-11-12 23:38:11,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312263,312276] [2021-11-12 23:38:11,729 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312414,312427] [2021-11-12 23:38:11,729 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312564,312577] [2021-11-12 23:38:11,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312711,312724] [2021-11-12 23:38:11,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312862,312875] [2021-11-12 23:38:11,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313013,313026] [2021-11-12 23:38:11,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313161,313174] [2021-11-12 23:38:11,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313327,313340] [2021-11-12 23:38:11,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313496,313509] [2021-11-12 23:38:11,733 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313663,313676] [2021-11-12 23:38:11,733 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313831,313844] [2021-11-12 23:38:11,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313981,313994] [2021-11-12 23:38:11,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314128,314141] [2021-11-12 23:38:11,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314289,314302] [2021-11-12 23:38:11,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314459,314472] [2021-11-12 23:38:11,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314621,314634] [2021-11-12 23:38:11,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:11,827 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:38:11,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:12,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301233,301246] [2021-11-12 23:38:12,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301378,301391] [2021-11-12 23:38:12,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301524,301537] [2021-11-12 23:38:12,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301689,301702] [2021-11-12 23:38:12,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301847,301860] [2021-11-12 23:38:12,216 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302005,302018] [2021-11-12 23:38:12,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302163,302176] [2021-11-12 23:38:12,217 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302323,302336] [2021-11-12 23:38:12,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302482,302495] [2021-11-12 23:38:12,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302621,302634] [2021-11-12 23:38:12,218 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302763,302776] [2021-11-12 23:38:12,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302912,302925] [2021-11-12 23:38:12,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303051,303064] [2021-11-12 23:38:12,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303206,303219] [2021-11-12 23:38:12,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303366,303379] [2021-11-12 23:38:12,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303517,303530] [2021-11-12 23:38:12,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303668,303681] [2021-11-12 23:38:12,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303820,303833] [2021-11-12 23:38:12,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303969,303982] [2021-11-12 23:38:12,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304117,304130] [2021-11-12 23:38:12,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304274,304287] [2021-11-12 23:38:12,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304423,304436] [2021-11-12 23:38:12,224 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304579,304592] [2021-11-12 23:38:12,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304732,304745] [2021-11-12 23:38:12,225 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304878,304891] [2021-11-12 23:38:12,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305021,305034] [2021-11-12 23:38:12,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305173,305186] [2021-11-12 23:38:12,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305319,305332] [2021-11-12 23:38:12,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305464,305477] [2021-11-12 23:38:12,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305618,305631] [2021-11-12 23:38:12,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305769,305782] [2021-11-12 23:38:12,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305924,305937] [2021-11-12 23:38:12,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306076,306089] [2021-11-12 23:38:12,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306231,306244] [2021-11-12 23:38:12,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306395,306408] [2021-11-12 23:38:12,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306551,306564] [2021-11-12 23:38:12,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306715,306728] [2021-11-12 23:38:12,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306857,306870] [2021-11-12 23:38:12,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307015,307028] [2021-11-12 23:38:12,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307182,307195] [2021-11-12 23:38:12,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307341,307354] [2021-11-12 23:38:12,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307500,307513] [2021-11-12 23:38:12,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307649,307662] [2021-11-12 23:38:12,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307796,307809] [2021-11-12 23:38:12,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307935,307948] [2021-11-12 23:38:12,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308098,308111] [2021-11-12 23:38:12,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308264,308277] [2021-11-12 23:38:12,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308428,308441] [2021-11-12 23:38:12,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308593,308606] [2021-11-12 23:38:12,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308758,308771] [2021-11-12 23:38:12,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308924,308937] [2021-11-12 23:38:12,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309089,309102] [2021-11-12 23:38:12,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309256,309269] [2021-11-12 23:38:12,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309416,309429] [2021-11-12 23:38:12,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309578,309591] [2021-11-12 23:38:12,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309737,309750] [2021-11-12 23:38:12,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309883,309896] [2021-11-12 23:38:12,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310026,310039] [2021-11-12 23:38:12,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310170,310183] [2021-11-12 23:38:12,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310313,310326] [2021-11-12 23:38:12,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310457,310470] [2021-11-12 23:38:12,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310598,310611] [2021-11-12 23:38:12,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310736,310749] [2021-11-12 23:38:12,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310894,310907] [2021-11-12 23:38:12,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311053,311066] [2021-11-12 23:38:12,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311209,311222] [2021-11-12 23:38:12,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311358,311371] [2021-11-12 23:38:12,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311510,311523] [2021-11-12 23:38:12,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311661,311674] [2021-11-12 23:38:12,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311810,311823] [2021-11-12 23:38:12,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311962,311975] [2021-11-12 23:38:12,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312110,312123] [2021-11-12 23:38:12,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312263,312276] [2021-11-12 23:38:12,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312414,312427] [2021-11-12 23:38:12,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312564,312577] [2021-11-12 23:38:12,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312711,312724] [2021-11-12 23:38:12,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312862,312875] [2021-11-12 23:38:12,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313013,313026] [2021-11-12 23:38:12,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313161,313174] [2021-11-12 23:38:12,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313327,313340] [2021-11-12 23:38:12,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313496,313509] [2021-11-12 23:38:12,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313663,313676] [2021-11-12 23:38:12,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313831,313844] [2021-11-12 23:38:12,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313981,313994] [2021-11-12 23:38:12,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314128,314141] [2021-11-12 23:38:12,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314289,314302] [2021-11-12 23:38:12,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314459,314472] [2021-11-12 23:38:12,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314621,314634] [2021-11-12 23:38:12,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:12,315 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:38:12,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301233,301246] [2021-11-12 23:38:12,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301378,301391] [2021-11-12 23:38:12,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301524,301537] [2021-11-12 23:38:12,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301689,301702] [2021-11-12 23:38:12,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[301847,301860] [2021-11-12 23:38:12,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302005,302018] [2021-11-12 23:38:12,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302163,302176] [2021-11-12 23:38:12,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302323,302336] [2021-11-12 23:38:12,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302482,302495] [2021-11-12 23:38:12,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302621,302634] [2021-11-12 23:38:12,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302763,302776] [2021-11-12 23:38:12,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[302912,302925] [2021-11-12 23:38:12,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303051,303064] [2021-11-12 23:38:12,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303206,303219] [2021-11-12 23:38:12,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303366,303379] [2021-11-12 23:38:12,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303517,303530] [2021-11-12 23:38:12,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303668,303681] [2021-11-12 23:38:12,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303820,303833] [2021-11-12 23:38:12,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[303969,303982] [2021-11-12 23:38:12,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304117,304130] [2021-11-12 23:38:12,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304274,304287] [2021-11-12 23:38:12,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304423,304436] [2021-11-12 23:38:12,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304579,304592] [2021-11-12 23:38:12,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304732,304745] [2021-11-12 23:38:12,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[304878,304891] [2021-11-12 23:38:12,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305021,305034] [2021-11-12 23:38:12,664 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305173,305186] [2021-11-12 23:38:12,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305319,305332] [2021-11-12 23:38:12,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305464,305477] [2021-11-12 23:38:12,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305618,305631] [2021-11-12 23:38:12,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305769,305782] [2021-11-12 23:38:12,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[305924,305937] [2021-11-12 23:38:12,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306076,306089] [2021-11-12 23:38:12,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306231,306244] [2021-11-12 23:38:12,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306395,306408] [2021-11-12 23:38:12,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306551,306564] [2021-11-12 23:38:12,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306715,306728] [2021-11-12 23:38:12,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[306857,306870] [2021-11-12 23:38:12,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307015,307028] [2021-11-12 23:38:12,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307182,307195] [2021-11-12 23:38:12,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307341,307354] [2021-11-12 23:38:12,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307500,307513] [2021-11-12 23:38:12,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307649,307662] [2021-11-12 23:38:12,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307796,307809] [2021-11-12 23:38:12,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[307935,307948] [2021-11-12 23:38:12,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308098,308111] [2021-11-12 23:38:12,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308264,308277] [2021-11-12 23:38:12,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308428,308441] [2021-11-12 23:38:12,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308593,308606] [2021-11-12 23:38:12,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308758,308771] [2021-11-12 23:38:12,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[308924,308937] [2021-11-12 23:38:12,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309089,309102] [2021-11-12 23:38:12,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309256,309269] [2021-11-12 23:38:12,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309416,309429] [2021-11-12 23:38:12,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309578,309591] [2021-11-12 23:38:12,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309737,309750] [2021-11-12 23:38:12,702 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[309883,309896] [2021-11-12 23:38:12,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310026,310039] [2021-11-12 23:38:12,703 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310170,310183] [2021-11-12 23:38:12,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310313,310326] [2021-11-12 23:38:12,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310457,310470] [2021-11-12 23:38:12,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310598,310611] [2021-11-12 23:38:12,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310736,310749] [2021-11-12 23:38:12,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[310894,310907] [2021-11-12 23:38:12,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311053,311066] [2021-11-12 23:38:12,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311209,311222] [2021-11-12 23:38:12,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311358,311371] [2021-11-12 23:38:12,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311510,311523] [2021-11-12 23:38:12,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311661,311674] [2021-11-12 23:38:12,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311810,311823] [2021-11-12 23:38:12,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[311962,311975] [2021-11-12 23:38:12,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312110,312123] [2021-11-12 23:38:12,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312263,312276] [2021-11-12 23:38:12,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312414,312427] [2021-11-12 23:38:12,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312564,312577] [2021-11-12 23:38:12,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312711,312724] [2021-11-12 23:38:12,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[312862,312875] [2021-11-12 23:38:12,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313013,313026] [2021-11-12 23:38:12,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313161,313174] [2021-11-12 23:38:12,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313327,313340] [2021-11-12 23:38:12,729 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313496,313509] [2021-11-12 23:38:12,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313663,313676] [2021-11-12 23:38:12,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313831,313844] [2021-11-12 23:38:12,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[313981,313994] [2021-11-12 23:38:12,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314128,314141] [2021-11-12 23:38:12,731 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314289,314302] [2021-11-12 23:38:12,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314459,314472] [2021-11-12 23:38:12,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i[314621,314634] [2021-11-12 23:38:12,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:13,106 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:38:13,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13 WrapperNode [2021-11-12 23:38:13,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:13,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:13,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:38:13,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:38:13,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:13,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:38:13,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:38:13,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:38:13,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:38:13,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:38:13,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:38:13,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:38:13,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:13,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:38:13,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:38:13,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:38:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-12 23:38:13,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-12 23:38:13,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:38:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-12 23:38:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:38:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:38:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:38:13,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-12 23:38:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:38:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-12 23:38:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:38:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-12 23:38:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_parse_version [2021-11-12 23:38:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_parse_version [2021-11-12 23:38:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-12 23:38:13,769 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-12 23:38:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:38:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:38:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:38:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_remove_sysfs_group [2021-11-12 23:38:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_remove_sysfs_group [2021-11-12 23:38:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:38:13,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:38:13,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:38:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:38:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-12 23:38:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_res [2021-11-12 23:38:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_res [2021-11-12 23:38:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure write_update_fw [2021-11-12 23:38:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_update_fw [2021-11-12 23:38:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:38:13,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:38:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:38:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-12 23:38:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:38:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-12 23:38:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-11-12 23:38:13,773 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-11-12 23:38:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:38:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-12 23:38:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_suspend [2021-11-12 23:38:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_suspend [2021-11-12 23:38:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:38:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-12 23:38:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:38:13,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:38:13,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:38:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:38:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:38:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:38:13,776 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2021-11-12 23:38:13,776 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2021-11-12 23:38:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:38:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-12 23:38:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_send [2021-11-12 23:38:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_send [2021-11-12 23:38:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:38:13,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:38:13,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:38:13,778 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:38:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:38:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:38:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:38:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:38:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure elants_version_attribute_show [2021-11-12 23:38:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_version_attribute_show [2021-11-12 23:38:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-12 23:38:13,779 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-12 23:38:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_sw_reset [2021-11-12 23:38:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_sw_reset [2021-11-12 23:38:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:38:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-12 23:38:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_calibrate [2021-11-12 23:38:13,780 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_calibrate [2021-11-12 23:38:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:38:13,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-12 23:38:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:38:13,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:38:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-12 23:38:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:38:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:38:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:38:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-12 23:38:13,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-12 23:38:13,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:38:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:38:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_resume [2021-11-12 23:38:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_resume [2021-11-12 23:38:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate_store [2021-11-12 23:38:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate_store [2021-11-12 23:38:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:38:13,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-12 23:38:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:38:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:38:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:38:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-12 23:38:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:38:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:38:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:38:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-12 23:38:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-12 23:38:13,792 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-12 23:38:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:38:13,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:38:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-12 23:38:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-12 23:38:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:38:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-12 23:38:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:38:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:38:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:38:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-12 23:38:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_initialize [2021-11-12 23:38:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_initialize [2021-11-12 23:38:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:38:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:38:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:38:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:38:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:38:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:38:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sysfs_mutex_of_elants_data [2021-11-12 23:38:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sysfs_mutex_of_elants_data [2021-11-12 23:38:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-12 23:38:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-12 23:38:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:38:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-12 23:38:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-12 23:38:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-12 23:38:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_read [2021-11-12 23:38:13,803 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_read [2021-11-12 23:38:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-12 23:38:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-12 23:38:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sysfs_mutex_of_elants_data [2021-11-12 23:38:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sysfs_mutex_of_elants_data [2021-11-12 23:38:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-12 23:38:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-12 23:38:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_execute_command [2021-11-12 23:38:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_execute_command [2021-11-12 23:38:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:38:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:38:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:38:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-12 23:38:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure elants_i2c_event [2021-11-12 23:38:13,805 INFO L138 BoogieDeclarations]: Found implementation of procedure elants_i2c_event [2021-11-12 23:38:14,777 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:39:08,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:39:08,167 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:39:08,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:08 BoogieIcfgContainer [2021-11-12 23:39:08,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:39:08,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:39:08,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:39:08,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:39:08,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:38:08" (1/3) ... [2021-11-12 23:39:08,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e13e5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:08, skipping insertion in model container [2021-11-12 23:39:08,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13" (2/3) ... [2021-11-12 23:39:08,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e13e5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:39:08, skipping insertion in model container [2021-11-12 23:39:08,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:39:08" (3/3) ... [2021-11-12 23:39:08,178 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--input--touchscreen--elants_i2c.ko.cil.i [2021-11-12 23:39:08,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:39:08,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-11-12 23:39:08,242 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:39:08,248 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 [2021-11-12 23:39:08,248 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-11-12 23:39:08,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 1155 states, 793 states have (on average 1.296343001261034) internal successors, (1028), 838 states have internal predecessors, (1028), 270 states have call successors, (270), 65 states have call predecessors, (270), 64 states have return successors, (265), 265 states have call predecessors, (265), 265 states have call successors, (265) [2021-11-12 23:39:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-12 23:39:08,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:08,303 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:08,304 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 25 more)] === [2021-11-12 23:39:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:08,310 INFO L85 PathProgramCache]: Analyzing trace with hash -271242133, now seen corresponding path program 1 times [2021-11-12 23:39:08,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:08,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154982929] [2021-11-12 23:39:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:08,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:08,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:08,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:39:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:11,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:11,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:12,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:12,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:12,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154982929] [2021-11-12 23:39:12,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154982929] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:12,727 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:12,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:12,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590537660] [2021-11-12 23:39:12,730 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:12,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:12,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:12,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:12,776 INFO L87 Difference]: Start difference. First operand has 1155 states, 793 states have (on average 1.296343001261034) internal successors, (1028), 838 states have internal predecessors, (1028), 270 states have call successors, (270), 65 states have call predecessors, (270), 64 states have return successors, (265), 265 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:39:13,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:13,038 INFO L93 Difference]: Finished difference Result 2279 states and 3142 transitions. [2021-11-12 23:39:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:13,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-12 23:39:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:13,066 INFO L225 Difference]: With dead ends: 2279 [2021-11-12 23:39:13,067 INFO L226 Difference]: Without dead ends: 1137 [2021-11-12 23:39:13,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:13,080 INFO L933 BasicCegarLoop]: 1529 mSDtfsCounter, 1482 mSDsluCounter, 3054 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 4583 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.59ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:13,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1484 Valid, 4583 Invalid, 2 Unknown, 0 Unchecked, 36.24ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.59ms Time] [2021-11-12 23:39:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2021-11-12 23:39:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2021-11-12 23:39:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 783 states have (on average 1.2579821200510857) internal successors, (985), 823 states have internal predecessors, (985), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1513 transitions. [2021-11-12 23:39:13,257 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1513 transitions. Word has length 64 [2021-11-12 23:39:13,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:13,259 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 1513 transitions. [2021-11-12 23:39:13,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-12 23:39:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1513 transitions. [2021-11-12 23:39:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-12 23:39:13,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:13,272 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:13,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:13,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:13,496 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 25 more)] === [2021-11-12 23:39:13,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:13,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1544413525, now seen corresponding path program 1 times [2021-11-12 23:39:13,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:13,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996975751] [2021-11-12 23:39:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:13,501 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:13,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:13,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:39:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:16,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:16,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:17,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:17,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:17,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996975751] [2021-11-12 23:39:17,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996975751] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:17,693 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:17,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:17,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792410585] [2021-11-12 23:39:17,695 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:17,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:17,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:17,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:17,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:17,697 INFO L87 Difference]: Start difference. First operand 1137 states and 1513 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:39:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:17,833 INFO L93 Difference]: Finished difference Result 1137 states and 1513 transitions. [2021-11-12 23:39:17,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:17,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-12 23:39:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:17,843 INFO L225 Difference]: With dead ends: 1137 [2021-11-12 23:39:17,843 INFO L226 Difference]: Without dead ends: 1135 [2021-11-12 23:39:17,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:17,845 INFO L933 BasicCegarLoop]: 1509 mSDtfsCounter, 1456 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 4523 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:17,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 4523 Invalid, 2 Unknown, 0 Unchecked, 17.55ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.01ms Time] [2021-11-12 23:39:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2021-11-12 23:39:17,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2021-11-12 23:39:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 782 states have (on average 1.2570332480818414) internal successors, (983), 821 states have internal predecessors, (983), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1511 transitions. [2021-11-12 23:39:17,920 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1511 transitions. Word has length 70 [2021-11-12 23:39:17,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:17,921 INFO L470 AbstractCegarLoop]: Abstraction has 1135 states and 1511 transitions. [2021-11-12 23:39:17,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-12 23:39:17,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1511 transitions. [2021-11-12 23:39:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-12 23:39:17,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:17,924 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:17,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:18,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:18,146 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 25 more)] === [2021-11-12 23:39:18,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1607245772, now seen corresponding path program 1 times [2021-11-12 23:39:18,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:18,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963435296] [2021-11-12 23:39:18,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:18,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:18,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:18,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:18,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:39:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:21,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1304 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:21,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:22,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:22,485 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:22,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963435296] [2021-11-12 23:39:22,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963435296] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:22,486 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:22,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:22,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509636550] [2021-11-12 23:39:22,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:22,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:22,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:22,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:22,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:22,488 INFO L87 Difference]: Start difference. First operand 1135 states and 1511 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:39:22,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:22,620 INFO L93 Difference]: Finished difference Result 1135 states and 1511 transitions. [2021-11-12 23:39:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-12 23:39:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:22,630 INFO L225 Difference]: With dead ends: 1135 [2021-11-12 23:39:22,630 INFO L226 Difference]: Without dead ends: 1133 [2021-11-12 23:39:22,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:22,634 INFO L933 BasicCegarLoop]: 1507 mSDtfsCounter, 1448 mSDsluCounter, 3010 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 4517 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.80ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.44ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:22,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1450 Valid, 4517 Invalid, 2 Unknown, 0 Unchecked, 14.80ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.44ms Time] [2021-11-12 23:39:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2021-11-12 23:39:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2021-11-12 23:39:22,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 781 states have (on average 1.2560819462227912) internal successors, (981), 819 states have internal predecessors, (981), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:22,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1509 transitions. [2021-11-12 23:39:22,712 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1509 transitions. Word has length 76 [2021-11-12 23:39:22,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:22,715 INFO L470 AbstractCegarLoop]: Abstraction has 1133 states and 1509 transitions. [2021-11-12 23:39:22,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-12 23:39:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1509 transitions. [2021-11-12 23:39:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-12 23:39:22,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:22,718 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:22,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:22,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:22,943 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 25 more)] === [2021-11-12 23:39:22,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:22,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1431451305, now seen corresponding path program 1 times [2021-11-12 23:39:22,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:22,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733829810] [2021-11-12 23:39:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:22,947 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:22,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:22,949 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:22,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:39:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1313 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:25,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:26,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:27,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:27,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733829810] [2021-11-12 23:39:27,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733829810] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:27,233 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:27,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:27,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024326124] [2021-11-12 23:39:27,233 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:27,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:27,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:27,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:27,235 INFO L87 Difference]: Start difference. First operand 1133 states and 1509 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:39:27,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:27,362 INFO L93 Difference]: Finished difference Result 1133 states and 1509 transitions. [2021-11-12 23:39:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:27,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-12 23:39:27,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:27,373 INFO L225 Difference]: With dead ends: 1133 [2021-11-12 23:39:27,373 INFO L226 Difference]: Without dead ends: 1131 [2021-11-12 23:39:27,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:27,376 INFO L933 BasicCegarLoop]: 1505 mSDtfsCounter, 1443 mSDsluCounter, 1503 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 3008 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.14ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:27,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1445 Valid, 3008 Invalid, 2 Unknown, 0 Unchecked, 9.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.14ms Time] [2021-11-12 23:39:27,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2021-11-12 23:39:27,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 1131. [2021-11-12 23:39:27,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1131 states, 780 states have (on average 1.255128205128205) internal successors, (979), 817 states have internal predecessors, (979), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 1507 transitions. [2021-11-12 23:39:27,451 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 1507 transitions. Word has length 82 [2021-11-12 23:39:27,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:27,452 INFO L470 AbstractCegarLoop]: Abstraction has 1131 states and 1507 transitions. [2021-11-12 23:39:27,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-12 23:39:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1507 transitions. [2021-11-12 23:39:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-12 23:39:27,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:27,454 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:27,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:27,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:27,671 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 25 more)] === [2021-11-12 23:39:27,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:27,671 INFO L85 PathProgramCache]: Analyzing trace with hash 2075591798, now seen corresponding path program 1 times [2021-11-12 23:39:27,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:27,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952864377] [2021-11-12 23:39:27,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:27,675 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:27,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:27,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:27,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:39:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:30,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:30,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:31,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:31,727 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:31,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952864377] [2021-11-12 23:39:31,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952864377] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:31,728 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:31,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:31,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957765904] [2021-11-12 23:39:31,728 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:31,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:31,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:31,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:31,730 INFO L87 Difference]: Start difference. First operand 1131 states and 1507 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:39:31,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:31,858 INFO L93 Difference]: Finished difference Result 1131 states and 1507 transitions. [2021-11-12 23:39:31,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:31,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-12 23:39:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:31,867 INFO L225 Difference]: With dead ends: 1131 [2021-11-12 23:39:31,867 INFO L226 Difference]: Without dead ends: 1129 [2021-11-12 23:39:31,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:31,869 INFO L933 BasicCegarLoop]: 1503 mSDtfsCounter, 1432 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 4505 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:31,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 4505 Invalid, 2 Unknown, 0 Unchecked, 12.34ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.47ms Time] [2021-11-12 23:39:31,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2021-11-12 23:39:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2021-11-12 23:39:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 779 states have (on average 1.2541720154043645) internal successors, (977), 815 states have internal predecessors, (977), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:31,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1505 transitions. [2021-11-12 23:39:31,943 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1505 transitions. Word has length 88 [2021-11-12 23:39:31,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:31,945 INFO L470 AbstractCegarLoop]: Abstraction has 1129 states and 1505 transitions. [2021-11-12 23:39:31,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:39:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1505 transitions. [2021-11-12 23:39:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-12 23:39:31,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:31,947 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:31,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:32,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:32,164 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 25 more)] === [2021-11-12 23:39:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:32,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2134068904, now seen corresponding path program 1 times [2021-11-12 23:39:32,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:32,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779196181] [2021-11-12 23:39:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:32,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:32,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:32,168 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:39:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:34,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:34,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:35,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:36,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:36,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779196181] [2021-11-12 23:39:36,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779196181] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:36,287 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:36,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:36,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845715039] [2021-11-12 23:39:36,288 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:36,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:36,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:36,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:36,289 INFO L87 Difference]: Start difference. First operand 1129 states and 1505 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:39:36,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:36,415 INFO L93 Difference]: Finished difference Result 1129 states and 1505 transitions. [2021-11-12 23:39:36,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:36,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-12 23:39:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:36,425 INFO L225 Difference]: With dead ends: 1129 [2021-11-12 23:39:36,425 INFO L226 Difference]: Without dead ends: 1127 [2021-11-12 23:39:36,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:36,427 INFO L933 BasicCegarLoop]: 1501 mSDtfsCounter, 1427 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:36,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1429 Valid, 3000 Invalid, 2 Unknown, 0 Unchecked, 8.81ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.49ms Time] [2021-11-12 23:39:36,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2021-11-12 23:39:36,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1127. [2021-11-12 23:39:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 778 states have (on average 1.2532133676092545) internal successors, (975), 813 states have internal predecessors, (975), 265 states have call successors, (265), 64 states have call predecessors, (265), 63 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2021-11-12 23:39:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1503 transitions. [2021-11-12 23:39:36,507 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1503 transitions. Word has length 94 [2021-11-12 23:39:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:36,508 INFO L470 AbstractCegarLoop]: Abstraction has 1127 states and 1503 transitions. [2021-11-12 23:39:36,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:39:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1503 transitions. [2021-11-12 23:39:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-12 23:39:36,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:36,512 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:36,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:36,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:36,735 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:39:36,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:36,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1959227945, now seen corresponding path program 1 times [2021-11-12 23:39:36,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:36,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382283931] [2021-11-12 23:39:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:36,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:36,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:36,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:36,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:39:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:39,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 1340 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:39,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:40,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:40,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:40,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382283931] [2021-11-12 23:39:40,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382283931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:40,870 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:40,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:40,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16756921] [2021-11-12 23:39:40,870 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:40,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:40,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:40,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:40,872 INFO L87 Difference]: Start difference. First operand 1127 states and 1503 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:39:41,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:41,164 INFO L93 Difference]: Finished difference Result 2225 states and 2969 transitions. [2021-11-12 23:39:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:39:41,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-12 23:39:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:41,181 INFO L225 Difference]: With dead ends: 2225 [2021-11-12 23:39:41,182 INFO L226 Difference]: Without dead ends: 2223 [2021-11-12 23:39:41,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:41,184 INFO L933 BasicCegarLoop]: 1766 mSDtfsCounter, 1407 mSDsluCounter, 4999 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 6765 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.31ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.52ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:41,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1409 Valid, 6765 Invalid, 22 Unknown, 0 Unchecked, 15.31ms Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 102.52ms Time] [2021-11-12 23:39:41,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2021-11-12 23:39:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2086. [2021-11-12 23:39:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 1460 states have (on average 1.2582191780821919) internal successors, (1837), 1510 states have internal predecessors, (1837), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:39:41,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2821 transitions. [2021-11-12 23:39:41,353 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2821 transitions. Word has length 100 [2021-11-12 23:39:41,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:41,354 INFO L470 AbstractCegarLoop]: Abstraction has 2086 states and 2821 transitions. [2021-11-12 23:39:41,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:39:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2821 transitions. [2021-11-12 23:39:41,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-12 23:39:41,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:41,358 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:41,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:41,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:41,571 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:39:41,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:41,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1257379693, now seen corresponding path program 1 times [2021-11-12 23:39:41,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:41,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317855549] [2021-11-12 23:39:41,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:41,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:41,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:41,577 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:41,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:39:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:44,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:44,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:45,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:45,970 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:45,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317855549] [2021-11-12 23:39:45,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317855549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:45,971 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:45,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:45,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398752945] [2021-11-12 23:39:45,971 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:45,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:45,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:45,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:45,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:45,973 INFO L87 Difference]: Start difference. First operand 2086 states and 2821 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:39:46,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:46,155 INFO L93 Difference]: Finished difference Result 2086 states and 2821 transitions. [2021-11-12 23:39:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:46,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-12 23:39:46,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:46,174 INFO L225 Difference]: With dead ends: 2086 [2021-11-12 23:39:46,174 INFO L226 Difference]: Without dead ends: 2084 [2021-11-12 23:39:46,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:46,177 INFO L933 BasicCegarLoop]: 1499 mSDtfsCounter, 1414 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4485 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.16ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:46,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1416 Valid, 4485 Invalid, 2 Unknown, 0 Unchecked, 10.20ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.16ms Time] [2021-11-12 23:39:46,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2021-11-12 23:39:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2084. [2021-11-12 23:39:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1459 states have (on average 1.257710760795065) internal successors, (1835), 1508 states have internal predecessors, (1835), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:39:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2819 transitions. [2021-11-12 23:39:46,340 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2819 transitions. Word has length 106 [2021-11-12 23:39:46,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:46,341 INFO L470 AbstractCegarLoop]: Abstraction has 2084 states and 2819 transitions. [2021-11-12 23:39:46,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:39:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2819 transitions. [2021-11-12 23:39:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-12 23:39:46,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:46,344 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:46,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:46,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:46,565 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:39:46,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1456210768, now seen corresponding path program 1 times [2021-11-12 23:39:46,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:46,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475109855] [2021-11-12 23:39:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:46,569 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:46,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:46,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:46,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:39:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:49,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:39:49,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:50,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:39:51,063 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:51,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475109855] [2021-11-12 23:39:51,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475109855] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:51,063 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:39:51,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:39:51,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634337032] [2021-11-12 23:39:51,064 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:51,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:39:51,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:39:51,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:39:51,066 INFO L87 Difference]: Start difference. First operand 2084 states and 2819 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:39:51,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:51,254 INFO L93 Difference]: Finished difference Result 2084 states and 2819 transitions. [2021-11-12 23:39:51,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:39:51,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-12 23:39:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:51,269 INFO L225 Difference]: With dead ends: 2084 [2021-11-12 23:39:51,269 INFO L226 Difference]: Without dead ends: 2082 [2021-11-12 23:39:51,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:39:51,275 INFO L933 BasicCegarLoop]: 1497 mSDtfsCounter, 1406 mSDsluCounter, 2990 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1408 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.96ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.10ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:51,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1408 Valid, 4487 Invalid, 2 Unknown, 0 Unchecked, 9.96ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 10.10ms Time] [2021-11-12 23:39:51,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2021-11-12 23:39:51,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 2082. [2021-11-12 23:39:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1458 states have (on average 1.257201646090535) internal successors, (1833), 1506 states have internal predecessors, (1833), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:39:51,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2817 transitions. [2021-11-12 23:39:51,450 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2817 transitions. Word has length 108 [2021-11-12 23:39:51,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:51,451 INFO L470 AbstractCegarLoop]: Abstraction has 2082 states and 2817 transitions. [2021-11-12 23:39:51,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-12 23:39:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2817 transitions. [2021-11-12 23:39:51,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-12 23:39:51,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:51,455 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:51,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:51,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:51,675 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:39:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1950258007, now seen corresponding path program 1 times [2021-11-12 23:39:51,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:51,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1266320430] [2021-11-12 23:39:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:51,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:51,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:51,680 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:51,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-12 23:39:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:54,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:39:54,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 91 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-12 23:39:56,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-12 23:39:57,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:57,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1266320430] [2021-11-12 23:39:57,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1266320430] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:57,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [991275369] [2021-11-12 23:39:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:57,735 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:39:57,740 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:39:57,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-12 23:39:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:59,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1421 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:39:59,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-12 23:39:59,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-12 23:40:00,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [991275369] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:00,144 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:00,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 22 [2021-11-12 23:40:00,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021133632] [2021-11-12 23:40:00,144 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:00,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:40:00,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:00,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:40:00,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:40:00,146 INFO L87 Difference]: Start difference. First operand 2082 states and 2817 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:40:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:00,589 INFO L93 Difference]: Finished difference Result 3598 states and 4814 transitions. [2021-11-12 23:40:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:40:00,590 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), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 129 [2021-11-12 23:40:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:00,605 INFO L225 Difference]: With dead ends: 3598 [2021-11-12 23:40:00,605 INFO L226 Difference]: Without dead ends: 2076 [2021-11-12 23:40:00,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:40:00,613 INFO L933 BasicCegarLoop]: 1493 mSDtfsCounter, 1483 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 237.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.23ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 288.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:00,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1483 Valid, 1493 Invalid, 3 Unknown, 0 Unchecked, 4.23ms Time], IncrementalHoareTripleChecker [2 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 288.66ms Time] [2021-11-12 23:40:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-11-12 23:40:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2076. [2021-11-12 23:40:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2076 states, 1453 states have (on average 1.2553337921541639) internal successors, (1824), 1500 states have internal predecessors, (1824), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2808 transitions. [2021-11-12 23:40:00,813 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2808 transitions. Word has length 129 [2021-11-12 23:40:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:00,814 INFO L470 AbstractCegarLoop]: Abstraction has 2076 states and 2808 transitions. [2021-11-12 23:40:00,815 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), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-12 23:40:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2808 transitions. [2021-11-12 23:40:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-12 23:40:00,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:00,818 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:00,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:01,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:01,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:01,229 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 25 more)] === [2021-11-12 23:40:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:01,230 INFO L85 PathProgramCache]: Analyzing trace with hash 287562077, now seen corresponding path program 1 times [2021-11-12 23:40:01,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:01,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66694875] [2021-11-12 23:40:01,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:01,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:01,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:01,233 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-12 23:40:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:03,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:03,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:04,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:05,483 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:05,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66694875] [2021-11-12 23:40:05,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66694875] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:05,483 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:05,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:05,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731654157] [2021-11-12 23:40:05,484 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:05,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:05,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:05,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:05,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:05,486 INFO L87 Difference]: Start difference. First operand 2076 states and 2808 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:40:05,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:05,686 INFO L93 Difference]: Finished difference Result 2076 states and 2808 transitions. [2021-11-12 23:40:05,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:05,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-12 23:40:05,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:05,702 INFO L225 Difference]: With dead ends: 2076 [2021-11-12 23:40:05,702 INFO L226 Difference]: Without dead ends: 2074 [2021-11-12 23:40:05,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:05,704 INFO L933 BasicCegarLoop]: 1490 mSDtfsCounter, 1393 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.66ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:05,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 4466 Invalid, 2 Unknown, 0 Unchecked, 9.66ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.66ms Time] [2021-11-12 23:40:05,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2021-11-12 23:40:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2074. [2021-11-12 23:40:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1452 states have (on average 1.2548209366391185) internal successors, (1822), 1498 states have internal predecessors, (1822), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2806 transitions. [2021-11-12 23:40:05,894 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2806 transitions. Word has length 114 [2021-11-12 23:40:05,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:05,896 INFO L470 AbstractCegarLoop]: Abstraction has 2074 states and 2806 transitions. [2021-11-12 23:40:05,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-12 23:40:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2806 transitions. [2021-11-12 23:40:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-12 23:40:05,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:05,900 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:05,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:06,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:06,116 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:40:06,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:06,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1011050936, now seen corresponding path program 1 times [2021-11-12 23:40:06,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:06,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1233583468] [2021-11-12 23:40:06,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:06,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:06,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:06,120 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:06,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:40:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:08,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:40:08,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:40:10,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-12 23:40:12,140 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:12,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1233583468] [2021-11-12 23:40:12,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1233583468] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:40:12,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [208290751] [2021-11-12 23:40:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:12,141 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:40:12,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:40:12,144 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:40:12,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-12 23:40:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:13,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:40:13,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-12 23:40:13,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-12 23:40:14,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [208290751] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:14,436 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:14,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [17, 17] total 22 [2021-11-12 23:40:14,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185065407] [2021-11-12 23:40:14,437 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:14,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:40:14,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:14,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:40:14,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:40:14,438 INFO L87 Difference]: Start difference. First operand 2074 states and 2806 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:40:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:15,646 INFO L93 Difference]: Finished difference Result 3582 states and 4792 transitions. [2021-11-12 23:40:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:40:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 135 [2021-11-12 23:40:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:15,663 INFO L225 Difference]: With dead ends: 3582 [2021-11-12 23:40:15,663 INFO L226 Difference]: Without dead ends: 2068 [2021-11-12 23:40:15,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=46, Invalid=416, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:40:15,671 INFO L933 BasicCegarLoop]: 1486 mSDtfsCounter, 2421 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 823.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.89ms SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1054.56ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:15,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2421 Valid, 1486 Invalid, 529 Unknown, 0 Unchecked, 6.89ms Time], IncrementalHoareTripleChecker [528 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1054.56ms Time] [2021-11-12 23:40:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2021-11-12 23:40:15,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2068. [2021-11-12 23:40:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1447 states have (on average 1.2529371112646857) internal successors, (1813), 1492 states have internal predecessors, (1813), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2797 transitions. [2021-11-12 23:40:15,858 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2797 transitions. Word has length 135 [2021-11-12 23:40:15,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:15,859 INFO L470 AbstractCegarLoop]: Abstraction has 2068 states and 2797 transitions. [2021-11-12 23:40:15,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-12 23:40:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2797 transitions. [2021-11-12 23:40:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-12 23:40:15,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:15,862 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:15,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:16,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-11-12 23:40:16,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:16,273 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 25 more)] === [2021-11-12 23:40:16,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:16,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1594126066, now seen corresponding path program 1 times [2021-11-12 23:40:16,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:16,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430247086] [2021-11-12 23:40:16,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:16,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:16,278 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:16,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-12 23:40:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:19,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:19,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:20,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:20,635 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:20,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430247086] [2021-11-12 23:40:20,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430247086] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:20,636 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:20,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:20,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080038113] [2021-11-12 23:40:20,636 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:20,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:20,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:20,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:20,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:20,637 INFO L87 Difference]: Start difference. First operand 2068 states and 2797 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:40:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:20,808 INFO L93 Difference]: Finished difference Result 2068 states and 2797 transitions. [2021-11-12 23:40:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-12 23:40:20,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:20,824 INFO L225 Difference]: With dead ends: 2068 [2021-11-12 23:40:20,824 INFO L226 Difference]: Without dead ends: 2066 [2021-11-12 23:40:20,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:20,826 INFO L933 BasicCegarLoop]: 1483 mSDtfsCounter, 1383 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.57ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:20,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1385 Valid, 2964 Invalid, 2 Unknown, 0 Unchecked, 6.17ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.57ms Time] [2021-11-12 23:40:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2021-11-12 23:40:21,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2066. [2021-11-12 23:40:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1446 states have (on average 1.252420470262794) internal successors, (1811), 1490 states have internal predecessors, (1811), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2795 transitions. [2021-11-12 23:40:21,017 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2795 transitions. Word has length 120 [2021-11-12 23:40:21,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:21,018 INFO L470 AbstractCegarLoop]: Abstraction has 2066 states and 2795 transitions. [2021-11-12 23:40:21,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-12 23:40:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2795 transitions. [2021-11-12 23:40:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 23:40:21,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:21,021 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:21,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:21,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:21,235 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 25 more)] === [2021-11-12 23:40:21,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:21,235 INFO L85 PathProgramCache]: Analyzing trace with hash 876178785, now seen corresponding path program 1 times [2021-11-12 23:40:21,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:21,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744555504] [2021-11-12 23:40:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:21,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:21,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:21,240 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:21,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-12 23:40:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:24,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:24,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:25,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:25,932 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:25,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1744555504] [2021-11-12 23:40:25,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1744555504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:25,933 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:25,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:25,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516989696] [2021-11-12 23:40:25,933 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:25,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:25,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:25,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:25,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:25,935 INFO L87 Difference]: Start difference. First operand 2066 states and 2795 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:40:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:26,093 INFO L93 Difference]: Finished difference Result 2066 states and 2795 transitions. [2021-11-12 23:40:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:26,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-12 23:40:26,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:26,109 INFO L225 Difference]: With dead ends: 2066 [2021-11-12 23:40:26,109 INFO L226 Difference]: Without dead ends: 2064 [2021-11-12 23:40:26,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:26,111 INFO L933 BasicCegarLoop]: 1481 mSDtfsCounter, 1372 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 4439 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.25ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:26,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1374 Valid, 4439 Invalid, 2 Unknown, 0 Unchecked, 7.05ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.25ms Time] [2021-11-12 23:40:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2021-11-12 23:40:26,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2064. [2021-11-12 23:40:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2064 states, 1445 states have (on average 1.2519031141868513) internal successors, (1809), 1488 states have internal predecessors, (1809), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:26,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2793 transitions. [2021-11-12 23:40:26,312 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2793 transitions. Word has length 126 [2021-11-12 23:40:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:26,313 INFO L470 AbstractCegarLoop]: Abstraction has 2064 states and 2793 transitions. [2021-11-12 23:40:26,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-12 23:40:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2793 transitions. [2021-11-12 23:40:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-12 23:40:26,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:26,317 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:26,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:26,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:26,531 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:40:26,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:26,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1432736688, now seen corresponding path program 1 times [2021-11-12 23:40:26,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:26,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651460552] [2021-11-12 23:40:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:26,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:26,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:26,536 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:26,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-12 23:40:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:29,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:29,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:30,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:31,036 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:31,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651460552] [2021-11-12 23:40:31,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651460552] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:31,036 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:31,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:31,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826192930] [2021-11-12 23:40:31,037 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:31,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:31,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:31,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:31,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:31,038 INFO L87 Difference]: Start difference. First operand 2064 states and 2793 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:40:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:31,262 INFO L93 Difference]: Finished difference Result 2064 states and 2793 transitions. [2021-11-12 23:40:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:31,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-12 23:40:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:31,278 INFO L225 Difference]: With dead ends: 2064 [2021-11-12 23:40:31,278 INFO L226 Difference]: Without dead ends: 2062 [2021-11-12 23:40:31,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:31,282 INFO L933 BasicCegarLoop]: 1479 mSDtfsCounter, 1364 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.98ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:31,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 4433 Invalid, 2 Unknown, 0 Unchecked, 10.29ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.98ms Time] [2021-11-12 23:40:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2062 states. [2021-11-12 23:40:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2062 to 2062. [2021-11-12 23:40:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1444 states have (on average 1.2513850415512466) internal successors, (1807), 1486 states have internal predecessors, (1807), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2791 transitions. [2021-11-12 23:40:31,489 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2791 transitions. Word has length 132 [2021-11-12 23:40:31,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:31,490 INFO L470 AbstractCegarLoop]: Abstraction has 2062 states and 2791 transitions. [2021-11-12 23:40:31,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-12 23:40:31,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2791 transitions. [2021-11-12 23:40:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-12 23:40:31,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:31,495 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:31,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:31,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:31,719 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 25 more)] === [2021-11-12 23:40:31,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:31,719 INFO L85 PathProgramCache]: Analyzing trace with hash 836888840, now seen corresponding path program 1 times [2021-11-12 23:40:31,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:31,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369887041] [2021-11-12 23:40:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:31,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:31,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:31,723 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:31,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-12 23:40:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:34,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:34,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:35,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:36,623 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:36,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369887041] [2021-11-12 23:40:36,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369887041] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:36,624 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:36,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:40:36,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317319944] [2021-11-12 23:40:36,624 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:36,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:40:36,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:40:36,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:40:36,626 INFO L87 Difference]: Start difference. First operand 2062 states and 2791 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:40:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:36,874 INFO L93 Difference]: Finished difference Result 2062 states and 2791 transitions. [2021-11-12 23:40:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:36,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-12 23:40:36,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:36,905 INFO L225 Difference]: With dead ends: 2062 [2021-11-12 23:40:36,914 INFO L226 Difference]: Without dead ends: 2060 [2021-11-12 23:40:36,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:36,917 INFO L933 BasicCegarLoop]: 1477 mSDtfsCounter, 1356 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 4427 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.83ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:36,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1358 Valid, 4427 Invalid, 2 Unknown, 0 Unchecked, 9.52ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 9.83ms Time] [2021-11-12 23:40:36,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2021-11-12 23:40:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2060. [2021-11-12 23:40:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1443 states have (on average 1.250866250866251) internal successors, (1805), 1484 states have internal predecessors, (1805), 493 states have call successors, (493), 113 states have call predecessors, (493), 112 states have return successors, (491), 489 states have call predecessors, (491), 491 states have call successors, (491) [2021-11-12 23:40:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2789 transitions. [2021-11-12 23:40:37,142 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2789 transitions. Word has length 138 [2021-11-12 23:40:37,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:37,144 INFO L470 AbstractCegarLoop]: Abstraction has 2060 states and 2789 transitions. [2021-11-12 23:40:37,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:40:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2789 transitions. [2021-11-12 23:40:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-12 23:40:37,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:37,151 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:37,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-11-12 23:40:37,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:37,373 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:40:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:37,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1125131996, now seen corresponding path program 1 times [2021-11-12 23:40:37,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:37,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745381246] [2021-11-12 23:40:37,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:37,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:37,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:37,377 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:37,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-12 23:40:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:40,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:40:40,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 161 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-12 23:40:42,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-12 23:40:43,854 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:43,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745381246] [2021-11-12 23:40:43,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745381246] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:40:43,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2132495255] [2021-11-12 23:40:43,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:43,855 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:40:43,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:40:43,863 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:40:43,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-12 23:40:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:47,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:40:47,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-11-12 23:40:49,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-11-12 23:40:51,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2132495255] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:51,152 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:51,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [17, 17] total 25 [2021-11-12 23:40:51,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854065231] [2021-11-12 23:40:51,152 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:51,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:40:51,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:51,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:40:51,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=547, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:40:51,154 INFO L87 Difference]: Start difference. First operand 2060 states and 2789 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:40:51,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:51,836 INFO L93 Difference]: Finished difference Result 3047 states and 4088 transitions. [2021-11-12 23:40:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:40:51,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 183 [2021-11-12 23:40:51,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:51,852 INFO L225 Difference]: With dead ends: 3047 [2021-11-12 23:40:51,852 INFO L226 Difference]: Without dead ends: 3045 [2021-11-12 23:40:51,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 705 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:40:51,856 INFO L933 BasicCegarLoop]: 1751 mSDtfsCounter, 1388 mSDsluCounter, 5941 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 7692 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.84ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:51,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1389 Valid, 7692 Invalid, 16 Unknown, 0 Unchecked, 16.84ms Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 62.31ms Time] [2021-11-12 23:40:51,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2021-11-12 23:40:52,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2996. [2021-11-12 23:40:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2996 states, 2103 states have (on average 1.2505943889681408) internal successors, (2630), 2160 states have internal predecessors, (2630), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:40:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2996 states and 4038 transitions. [2021-11-12 23:40:52,187 INFO L78 Accepts]: Start accepts. Automaton has 2996 states and 4038 transitions. Word has length 183 [2021-11-12 23:40:52,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:52,188 INFO L470 AbstractCegarLoop]: Abstraction has 2996 states and 4038 transitions. [2021-11-12 23:40:52,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (46), 4 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-12 23:40:52,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2996 states and 4038 transitions. [2021-11-12 23:40:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-12 23:40:52,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:52,194 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:52,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:52,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:52,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:52,611 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:40:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:52,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1340350097, now seen corresponding path program 1 times [2021-11-12 23:40:52,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:52,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701616277] [2021-11-12 23:40:52,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:52,615 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:52,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:52,617 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:52,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-12 23:40:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:55,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:40:55,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:57,095 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:57,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:40:58,173 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:58,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701616277] [2021-11-12 23:40:58,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701616277] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:58,174 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:40:58,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-12 23:40:58,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287084241] [2021-11-12 23:40:58,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:58,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:40:58,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:58,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:40:58,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:40:58,175 INFO L87 Difference]: Start difference. First operand 2996 states and 4038 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:40:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:58,541 INFO L93 Difference]: Finished difference Result 2996 states and 4038 transitions. [2021-11-12 23:40:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:58,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-12 23:40:58,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:58,554 INFO L225 Difference]: With dead ends: 2996 [2021-11-12 23:40:58,555 INFO L226 Difference]: Without dead ends: 2994 [2021-11-12 23:40:58,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:40:58,558 INFO L933 BasicCegarLoop]: 1475 mSDtfsCounter, 1414 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1416 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.35ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:58,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1416 Valid, 4421 Invalid, 25 Unknown, 0 Unchecked, 11.35ms Time], IncrementalHoareTripleChecker [23 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 39.78ms Time] [2021-11-12 23:40:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2021-11-12 23:40:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2994. [2021-11-12 23:40:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2994 states, 2102 states have (on average 1.2497621313035205) internal successors, (2627), 2158 states have internal predecessors, (2627), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:40:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 4035 transitions. [2021-11-12 23:40:58,888 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 4035 transitions. Word has length 144 [2021-11-12 23:40:58,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:58,889 INFO L470 AbstractCegarLoop]: Abstraction has 2994 states and 4035 transitions. [2021-11-12 23:40:58,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:40:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 4035 transitions. [2021-11-12 23:40:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-12 23:40:58,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:58,893 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:58,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:59,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:59,115 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:40:59,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:59,115 INFO L85 PathProgramCache]: Analyzing trace with hash 604622153, now seen corresponding path program 1 times [2021-11-12 23:40:59,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:59,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005433103] [2021-11-12 23:40:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:59,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:59,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:59,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:59,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-12 23:41:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:02,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:02,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:03,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:04,066 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:04,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005433103] [2021-11-12 23:41:04,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005433103] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:04,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:04,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:04,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768077087] [2021-11-12 23:41:04,067 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:04,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:04,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:04,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:04,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:04,069 INFO L87 Difference]: Start difference. First operand 2994 states and 4035 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:41:04,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:04,406 INFO L93 Difference]: Finished difference Result 2994 states and 4035 transitions. [2021-11-12 23:41:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:04,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-12 23:41:04,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:04,421 INFO L225 Difference]: With dead ends: 2994 [2021-11-12 23:41:04,421 INFO L226 Difference]: Without dead ends: 2992 [2021-11-12 23:41:04,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:04,424 INFO L933 BasicCegarLoop]: 1473 mSDtfsCounter, 1343 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 2944 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.78ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:04,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 2944 Invalid, 2 Unknown, 0 Unchecked, 8.02ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.78ms Time] [2021-11-12 23:41:04,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2021-11-12 23:41:04,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2992. [2021-11-12 23:41:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2992 states, 2101 states have (on average 1.2489290813898144) internal successors, (2624), 2156 states have internal predecessors, (2624), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:41:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2992 states and 4032 transitions. [2021-11-12 23:41:04,753 INFO L78 Accepts]: Start accepts. Automaton has 2992 states and 4032 transitions. Word has length 150 [2021-11-12 23:41:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:04,754 INFO L470 AbstractCegarLoop]: Abstraction has 2992 states and 4032 transitions. [2021-11-12 23:41:04,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-12 23:41:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 4032 transitions. [2021-11-12 23:41:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-12 23:41:04,759 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:04,759 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:04,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:04,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:04,975 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:41:04,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1630480694, now seen corresponding path program 1 times [2021-11-12 23:41:04,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:04,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64474010] [2021-11-12 23:41:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:04,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:04,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:04,982 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:05,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-12 23:41:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:07,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:07,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:09,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:10,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:10,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64474010] [2021-11-12 23:41:10,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64474010] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:10,163 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:10,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:10,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549384141] [2021-11-12 23:41:10,163 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:10,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:10,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:10,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:10,165 INFO L87 Difference]: Start difference. First operand 2992 states and 4032 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:41:10,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:10,524 INFO L93 Difference]: Finished difference Result 2992 states and 4032 transitions. [2021-11-12 23:41:10,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:10,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-12 23:41:10,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:10,541 INFO L225 Difference]: With dead ends: 2992 [2021-11-12 23:41:10,541 INFO L226 Difference]: Without dead ends: 2990 [2021-11-12 23:41:10,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:10,545 INFO L933 BasicCegarLoop]: 1471 mSDtfsCounter, 1332 mSDsluCounter, 2938 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.75ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:10,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1334 Valid, 4409 Invalid, 2 Unknown, 0 Unchecked, 9.05ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 7.75ms Time] [2021-11-12 23:41:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2021-11-12 23:41:10,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2990. [2021-11-12 23:41:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2100 states have (on average 1.2480952380952381) internal successors, (2621), 2154 states have internal predecessors, (2621), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:41:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 4029 transitions. [2021-11-12 23:41:10,868 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 4029 transitions. Word has length 156 [2021-11-12 23:41:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:10,869 INFO L470 AbstractCegarLoop]: Abstraction has 2990 states and 4029 transitions. [2021-11-12 23:41:10,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-12 23:41:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 4029 transitions. [2021-11-12 23:41:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-12 23:41:10,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:10,875 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:10,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:11,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:11,099 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:41:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash -765549987, now seen corresponding path program 1 times [2021-11-12 23:41:11,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:11,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548834319] [2021-11-12 23:41:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:11,103 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:11,104 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:11,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-12 23:41:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:14,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:14,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:15,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:16,350 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:16,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548834319] [2021-11-12 23:41:16,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1548834319] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:16,350 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:16,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:16,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711080903] [2021-11-12 23:41:16,351 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:16,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:16,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:16,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:16,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:16,352 INFO L87 Difference]: Start difference. First operand 2990 states and 4029 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:41:16,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:16,699 INFO L93 Difference]: Finished difference Result 2990 states and 4029 transitions. [2021-11-12 23:41:16,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:16,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-12 23:41:16,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:16,712 INFO L225 Difference]: With dead ends: 2990 [2021-11-12 23:41:16,712 INFO L226 Difference]: Without dead ends: 2988 [2021-11-12 23:41:16,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:16,715 INFO L933 BasicCegarLoop]: 1469 mSDtfsCounter, 1327 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1329 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.47ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:16,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1329 Valid, 2936 Invalid, 2 Unknown, 0 Unchecked, 5.77ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.47ms Time] [2021-11-12 23:41:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2988 states. [2021-11-12 23:41:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2988 to 2988. [2021-11-12 23:41:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2099 states have (on average 1.2472606002858504) internal successors, (2618), 2152 states have internal predecessors, (2618), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:41:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4026 transitions. [2021-11-12 23:41:16,971 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4026 transitions. Word has length 162 [2021-11-12 23:41:16,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:16,972 INFO L470 AbstractCegarLoop]: Abstraction has 2988 states and 4026 transitions. [2021-11-12 23:41:16,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-12 23:41:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4026 transitions. [2021-11-12 23:41:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-12 23:41:16,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:16,976 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:17,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:17,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:17,191 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 25 more)] === [2021-11-12 23:41:17,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:17,191 INFO L85 PathProgramCache]: Analyzing trace with hash 576918073, now seen corresponding path program 1 times [2021-11-12 23:41:17,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:17,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922376328] [2021-11-12 23:41:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:17,194 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:17,194 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-12 23:41:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:20,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 1442 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:20,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:21,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:22,474 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:22,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922376328] [2021-11-12 23:41:22,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922376328] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:22,474 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:22,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:22,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383979489] [2021-11-12 23:41:22,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:22,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:22,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:22,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:22,477 INFO L87 Difference]: Start difference. First operand 2988 states and 4026 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:41:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:22,909 INFO L93 Difference]: Finished difference Result 2988 states and 4026 transitions. [2021-11-12 23:41:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-12 23:41:22,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:22,921 INFO L225 Difference]: With dead ends: 2988 [2021-11-12 23:41:22,922 INFO L226 Difference]: Without dead ends: 2986 [2021-11-12 23:41:22,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:22,924 INFO L933 BasicCegarLoop]: 1467 mSDtfsCounter, 1316 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1318 SdHoareTripleChecker+Valid, 4397 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.41ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:22,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1318 Valid, 4397 Invalid, 2 Unknown, 0 Unchecked, 9.41ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 11.40ms Time] [2021-11-12 23:41:22,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2021-11-12 23:41:23,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2021-11-12 23:41:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2098 states have (on average 1.2464251668255482) internal successors, (2615), 2150 states have internal predecessors, (2615), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:41:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 4023 transitions. [2021-11-12 23:41:23,303 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 4023 transitions. Word has length 168 [2021-11-12 23:41:23,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:23,303 INFO L470 AbstractCegarLoop]: Abstraction has 2986 states and 4023 transitions. [2021-11-12 23:41:23,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-12 23:41:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 4023 transitions. [2021-11-12 23:41:23,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 23:41:23,308 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:23,308 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:23,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:23,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:23,531 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 25 more)] === [2021-11-12 23:41:23,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:23,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1728163143, now seen corresponding path program 1 times [2021-11-12 23:41:23,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:23,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469111744] [2021-11-12 23:41:23,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:23,535 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:23,536 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:23,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-12 23:41:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:26,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:26,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:27,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:28,625 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:28,625 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:28,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469111744] [2021-11-12 23:41:28,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469111744] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:28,625 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:28,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:28,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761857624] [2021-11-12 23:41:28,626 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:28,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:28,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:28,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:28,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:28,628 INFO L87 Difference]: Start difference. First operand 2986 states and 4023 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:41:29,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:29,023 INFO L93 Difference]: Finished difference Result 2986 states and 4023 transitions. [2021-11-12 23:41:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:29,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-12 23:41:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:29,033 INFO L225 Difference]: With dead ends: 2986 [2021-11-12 23:41:29,033 INFO L226 Difference]: Without dead ends: 2984 [2021-11-12 23:41:29,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:29,035 INFO L933 BasicCegarLoop]: 1465 mSDtfsCounter, 1308 mSDsluCounter, 2926 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:29,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1310 Valid, 4391 Invalid, 2 Unknown, 0 Unchecked, 8.19ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.39ms Time] [2021-11-12 23:41:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2984 states. [2021-11-12 23:41:29,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2984 to 2984. [2021-11-12 23:41:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2984 states, 2097 states have (on average 1.245588936576061) internal successors, (2612), 2148 states have internal predecessors, (2612), 695 states have call successors, (695), 187 states have call predecessors, (695), 186 states have return successors, (713), 685 states have call predecessors, (713), 693 states have call successors, (713) [2021-11-12 23:41:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 4020 transitions. [2021-11-12 23:41:29,341 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 4020 transitions. Word has length 174 [2021-11-12 23:41:29,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:29,342 INFO L470 AbstractCegarLoop]: Abstraction has 2984 states and 4020 transitions. [2021-11-12 23:41:29,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:41:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 4020 transitions. [2021-11-12 23:41:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-12 23:41:29,345 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:29,345 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:29,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:29,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:29,546 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 25 more)] === [2021-11-12 23:41:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:29,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1103070552, now seen corresponding path program 1 times [2021-11-12 23:41:29,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:29,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801465302] [2021-11-12 23:41:29,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:29,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:29,550 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:29,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-12 23:41:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:32,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 1460 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:41:32,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:34,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:35,008 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:41:35,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:35,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801465302] [2021-11-12 23:41:35,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801465302] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:35,009 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:41:35,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-12 23:41:35,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173239238] [2021-11-12 23:41:35,009 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:35,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:41:35,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:35,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:41:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:41:35,011 INFO L87 Difference]: Start difference. First operand 2984 states and 4020 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:41:35,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:35,266 INFO L93 Difference]: Finished difference Result 2984 states and 4020 transitions. [2021-11-12 23:41:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:41:35,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-12 23:41:35,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:35,281 INFO L225 Difference]: With dead ends: 2984 [2021-11-12 23:41:35,281 INFO L226 Difference]: Without dead ends: 2701 [2021-11-12 23:41:35,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:41:35,286 INFO L933 BasicCegarLoop]: 1464 mSDtfsCounter, 1299 mSDsluCounter, 1464 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.79ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:35,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1299 Valid, 2928 Invalid, 1 Unknown, 0 Unchecked, 4.16ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.79ms Time] [2021-11-12 23:41:35,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2021-11-12 23:41:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2698. [2021-11-12 23:41:35,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1913 states have (on average 1.266074228959749) internal successors, (2422), 1960 states have internal predecessors, (2422), 634 states have call successors, (634), 147 states have call predecessors, (634), 146 states have return successors, (652), 627 states have call predecessors, (652), 632 states have call successors, (652) [2021-11-12 23:41:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3708 transitions. [2021-11-12 23:41:35,699 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3708 transitions. Word has length 180 [2021-11-12 23:41:35,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:35,699 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3708 transitions. [2021-11-12 23:41:35,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-12 23:41:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3708 transitions. [2021-11-12 23:41:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-12 23:41:35,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:35,704 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:35,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:35,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:41:35,919 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:41:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2011295883, now seen corresponding path program 1 times [2021-11-12 23:41:35,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:35,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738825084] [2021-11-12 23:41:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:35,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:35,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:35,925 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:35,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-12 23:41:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:39,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:41:39,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:41,404 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 205 proven. 3 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-11-12 23:41:41,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-12 23:41:43,230 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:43,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738825084] [2021-11-12 23:41:43,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738825084] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:43,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [569798833] [2021-11-12 23:41:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:43,231 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:41:43,232 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:41:43,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2021-11-12 23:41:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:44,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 1772 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:41:44,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-12 23:41:45,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-12 23:41:46,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [569798833] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:41:46,891 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:41:46,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [17, 17] total 26 [2021-11-12 23:41:46,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426059809] [2021-11-12 23:41:46,891 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:41:46,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:41:46,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:46,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:41:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2021-11-12 23:41:46,893 INFO L87 Difference]: Start difference. First operand 2698 states and 3708 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-12 23:41:49,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:41:50,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:41:50,380 INFO L93 Difference]: Finished difference Result 2733 states and 3748 transitions. [2021-11-12 23:41:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:41:50,381 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 241 [2021-11-12 23:41:50,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:41:50,389 INFO L225 Difference]: With dead ends: 2733 [2021-11-12 23:41:50,390 INFO L226 Difference]: Without dead ends: 2731 [2021-11-12 23:41:50,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 962 GetRequests, 936 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-11-12 23:41:50,392 INFO L933 BasicCegarLoop]: 1798 mSDtfsCounter, 966 mSDsluCounter, 6751 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 196 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2607.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.88ms SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2762.53ms IncrementalHoareTripleChecker+Time [2021-11-12 23:41:50,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [967 Valid, 8549 Invalid, 211 Unknown, 0 Unchecked, 18.88ms Time], IncrementalHoareTripleChecker [196 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2762.53ms Time] [2021-11-12 23:41:50,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2731 states. [2021-11-12 23:41:50,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2731 to 2722. [2021-11-12 23:41:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 1929 states have (on average 1.2649040953862105) internal successors, (2440), 1976 states have internal predecessors, (2440), 640 states have call successors, (640), 151 states have call predecessors, (640), 148 states have return successors, (658), 631 states have call predecessors, (658), 638 states have call successors, (658) [2021-11-12 23:41:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3738 transitions. [2021-11-12 23:41:50,722 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3738 transitions. Word has length 241 [2021-11-12 23:41:50,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:41:50,723 INFO L470 AbstractCegarLoop]: Abstraction has 2722 states and 3738 transitions. [2021-11-12 23:41:50,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (33), 5 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-12 23:41:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3738 transitions. [2021-11-12 23:41:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-12 23:41:50,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:41:50,726 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:41:50,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-12 23:41:50,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2021-11-12 23:41:51,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:51,131 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:41:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:41:51,132 INFO L85 PathProgramCache]: Analyzing trace with hash -26760406, now seen corresponding path program 1 times [2021-11-12 23:41:51,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:41:51,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115094532] [2021-11-12 23:41:51,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:51,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:41:51,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:41:51,136 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:41:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-12 23:41:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:54,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:41:54,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 205 proven. 3 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-11-12 23:41:56,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2021-11-12 23:41:58,562 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:58,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115094532] [2021-11-12 23:41:58,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115094532] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:58,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [849973317] [2021-11-12 23:41:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:58,563 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:58,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:41:58,564 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:41:58,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-11-12 23:41:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:00,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 1771 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:42:00,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-12 23:42:01,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2021-11-12 23:42:02,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [849973317] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:02,376 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:42:02,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [17, 17] total 28 [2021-11-12 23:42:02,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586671723] [2021-11-12 23:42:02,377 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:02,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:42:02,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:02,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:42:02,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2021-11-12 23:42:02,379 INFO L87 Difference]: Start difference. First operand 2722 states and 3738 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:42:03,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:03,274 INFO L93 Difference]: Finished difference Result 4205 states and 5713 transitions. [2021-11-12 23:42:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:42:03,275 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) Word has length 241 [2021-11-12 23:42:03,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:03,284 INFO L225 Difference]: With dead ends: 4205 [2021-11-12 23:42:03,284 INFO L226 Difference]: Without dead ends: 2602 [2021-11-12 23:42:03,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=67, Invalid=745, Unknown=0, NotChecked=0, Total=812 [2021-11-12 23:42:03,296 INFO L933 BasicCegarLoop]: 1365 mSDtfsCounter, 7 mSDsluCounter, 8167 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 381.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9532 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 403.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:03,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 9532 Invalid, 32 Unknown, 0 Unchecked, 11.74ms Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 403.01ms Time] [2021-11-12 23:42:03,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2021-11-12 23:42:03,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2596. [2021-11-12 23:42:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2596 states, 1839 states have (on average 1.2528548123980423) internal successors, (2304), 1888 states have internal predecessors, (2304), 598 states have call successors, (598), 151 states have call predecessors, (598), 154 states have return successors, (628), 593 states have call predecessors, (628), 596 states have call successors, (628) [2021-11-12 23:42:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 3530 transitions. [2021-11-12 23:42:03,711 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 3530 transitions. Word has length 241 [2021-11-12 23:42:03,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:03,712 INFO L470 AbstractCegarLoop]: Abstraction has 2596 states and 3530 transitions. [2021-11-12 23:42:03,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:42:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 3530 transitions. [2021-11-12 23:42:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-12 23:42:03,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:03,718 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:03,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:03,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:04,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:42:04,135 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting elants_i2c_calibrateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:42:04,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1596201627, now seen corresponding path program 1 times [2021-11-12 23:42:04,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:04,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259774787] [2021-11-12 23:42:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:04,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:04,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:04,141 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:04,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-12 23:42:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:07,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:42:07,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 167 proven. 3 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-12 23:42:09,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-12 23:42:11,841 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:11,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259774787] [2021-11-12 23:42:11,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259774787] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:11,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [573986101] [2021-11-12 23:42:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:11,843 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:42:11,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:42:11,843 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:42:11,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-12 23:42:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:16,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:42:16,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:18,404 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 167 proven. 3 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-12 23:42:18,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-12 23:42:19,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [573986101] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:19,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352809007] [2021-11-12 23:42:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:19,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:42:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:19,756 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:42:19,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-12 23:42:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:21,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-12 23:42:21,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:22,766 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 167 proven. 3 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-12 23:42:22,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-12 23:42:24,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352809007] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:42:24,030 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:42:24,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17, 17, 17, 17] total 20 [2021-11-12 23:42:24,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562682036] [2021-11-12 23:42:24,031 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:42:24,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-12 23:42:24,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:24,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-12 23:42:24,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:42:24,033 INFO L87 Difference]: Start difference. First operand 2596 states and 3530 transitions. Second operand has 20 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 7 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) [2021-11-12 23:42:27,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:27,849 INFO L93 Difference]: Finished difference Result 4382 states and 5915 transitions. [2021-11-12 23:42:27,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-12 23:42:27,850 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 7 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) Word has length 225 [2021-11-12 23:42:27,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:27,860 INFO L225 Difference]: With dead ends: 4382 [2021-11-12 23:42:27,860 INFO L226 Difference]: Without dead ends: 2594 [2021-11-12 23:42:27,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1355 GetRequests, 1326 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2021-11-12 23:42:27,871 INFO L933 BasicCegarLoop]: 1329 mSDtfsCounter, 56 mSDsluCounter, 19900 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2046.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 21229 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.60ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2136.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:27,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 21229 Invalid, 571 Unknown, 0 Unchecked, 25.60ms Time], IncrementalHoareTripleChecker [48 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 2136.45ms Time] [2021-11-12 23:42:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2021-11-12 23:42:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2594. [2021-11-12 23:42:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 1838 states have (on average 1.252448313384113) internal successors, (2302), 1887 states have internal predecessors, (2302), 597 states have call successors, (597), 151 states have call predecessors, (597), 154 states have return successors, (627), 592 states have call predecessors, (627), 595 states have call successors, (627) [2021-11-12 23:42:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3526 transitions. [2021-11-12 23:42:28,232 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3526 transitions. Word has length 225 [2021-11-12 23:42:28,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:28,232 INFO L470 AbstractCegarLoop]: Abstraction has 2594 states and 3526 transitions. [2021-11-12 23:42:28,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.2631578947368425) internal successors, (119), 18 states have internal predecessors, (119), 7 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (49), 8 states have call predecessors, (49), 7 states have call successors, (49) [2021-11-12 23:42:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3526 transitions. [2021-11-12 23:42:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-12 23:42:28,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:28,238 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:28,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:28,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:28,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2021-11-12 23:42:28,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:42:28,855 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting elants_i2c_calibrateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:42:28,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:28,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1087492773, now seen corresponding path program 1 times [2021-11-12 23:42:28,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:28,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946216456] [2021-11-12 23:42:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:28,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:28,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:28,860 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:28,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-12 23:42:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:32,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-12 23:42:32,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-12 23:42:35,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:38,822 INFO L134 CoverageAnalysis]: Checked inductivity of 935 backedges. 12 proven. 120 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2021-11-12 23:42:38,822 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:38,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946216456] [2021-11-12 23:42:38,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946216456] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:42:38,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:42:38,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-12 23:42:38,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525705706] [2021-11-12 23:42:38,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:38,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-12 23:42:38,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:38,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-12 23:42:38,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:42:38,825 INFO L87 Difference]: Start difference. First operand 2594 states and 3526 transitions. Second operand has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) [2021-11-12 23:42:41,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:41,322 INFO L93 Difference]: Finished difference Result 5181 states and 7039 transitions. [2021-11-12 23:42:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-12 23:42:41,323 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) Word has length 305 [2021-11-12 23:42:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:41,329 INFO L225 Difference]: With dead ends: 5181 [2021-11-12 23:42:41,329 INFO L226 Difference]: Without dead ends: 2602 [2021-11-12 23:42:41,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 590 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:42:41,340 INFO L933 BasicCegarLoop]: 1329 mSDtfsCounter, 410 mSDsluCounter, 12706 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1531.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 14035 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.68ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1655.55ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:41,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [550 Valid, 14035 Invalid, 315 Unknown, 0 Unchecked, 20.68ms Time], IncrementalHoareTripleChecker [6 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 1655.55ms Time] [2021-11-12 23:42:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2021-11-12 23:42:41,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2594. [2021-11-12 23:42:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 1838 states have (on average 1.251904243743199) internal successors, (2301), 1886 states have internal predecessors, (2301), 597 states have call successors, (597), 151 states have call predecessors, (597), 154 states have return successors, (627), 592 states have call predecessors, (627), 595 states have call successors, (627) [2021-11-12 23:42:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 3525 transitions. [2021-11-12 23:42:41,596 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 3525 transitions. Word has length 305 [2021-11-12 23:42:41,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:41,597 INFO L470 AbstractCegarLoop]: Abstraction has 2594 states and 3525 transitions. [2021-11-12 23:42:41,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (39), 2 states have call predecessors, (39), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) [2021-11-12 23:42:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3525 transitions. [2021-11-12 23:42:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-12 23:42:41,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:41,602 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:41,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:41,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:41,815 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting elants_i2c_calibrateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-12 23:42:41,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:41,815 INFO L85 PathProgramCache]: Analyzing trace with hash 543198334, now seen corresponding path program 1 times [2021-11-12 23:42:41,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:41,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819118766] [2021-11-12 23:42:41,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:41,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:41,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:41,819 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:41,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25d4baed-0832-4afb-99a5-37e2fa77c28e/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process