./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan --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 c445e7d136bb1d3b34eea0dd6ecd69c876791489 ...................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan --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 c445e7d136bb1d3b34eea0dd6ecd69c876791489 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:38:30,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:38:30,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:38:30,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:38:30,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:38:30,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:38:30,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:38:30,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:38:30,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:38:30,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:38:31,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:38:31,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:38:31,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:38:31,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:38:31,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:38:31,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:38:31,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:38:31,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:38:31,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:38:31,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:38:31,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:38:31,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:38:31,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:38:31,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:38:31,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:38:31,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:38:31,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:38:31,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:38:31,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:38:31,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:38:31,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:38:31,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:38:31,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:38:31,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:38:31,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:38:31,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:38:31,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:38:31,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:38:31,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:38:31,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:38:31,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:38:31,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-30 01:38:31,151 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:38:31,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:38:31,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:38:31,153 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:38:31,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:38:31,154 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:38:31,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:38:31,154 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:38:31,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:38:31,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:38:31,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:38:31,157 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:38:31,157 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:38:31,157 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:38:31,158 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:38:31,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:38:31,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:38:31,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:38:31,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:38:31,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:38:31,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:38:31,160 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:38:31,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:38:31,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:38:31,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:38:31,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:38:31,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:38:31,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:38:31,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:38:31,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:38:31,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:38:31,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:38:31,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:38:31,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:38:31,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:38:31,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:38:31,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:38:31,188 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-30 01:38:31,188 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-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2020-11-30 01:38:31,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:38:31,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:38:31,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:38:31,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:38:31,590 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:38:31,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-11-30 01:38:31,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2102252c6/f949abbd112740829ad75116ebc406c2/FLAGab06b8e3e [2020-11-30 01:38:32,798 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:38:32,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-11-30 01:38:32,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2102252c6/f949abbd112740829ad75116ebc406c2/FLAGab06b8e3e [2020-11-30 01:38:33,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2102252c6/f949abbd112740829ad75116ebc406c2 [2020-11-30 01:38:33,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:38:33,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:38:33,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:38:33,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:38:33,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:38:33,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:38:33" (1/1) ... [2020-11-30 01:38:33,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df54d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:33, skipping insertion in model container [2020-11-30 01:38:33,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:38:33" (1/1) ... [2020-11-30 01:38:33,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:38:33,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:38:34,613 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,620 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,633 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,641 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,647 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,648 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,659 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:34,844 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,017 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,023 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,215 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,238 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,239 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,241 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,242 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,249 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,254 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,265 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,270 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,270 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,276 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,279 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,287 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,295 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,295 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,298 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,300 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,306 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,346 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,352 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,374 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,391 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,474 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,483 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,501 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,504 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,535 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,553 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,601 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,602 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,607 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,615 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,616 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,619 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,622 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,625 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,628 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,630 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,632 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,634 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,636 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,664 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,665 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,667 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,675 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,685 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,690 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,691 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,692 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,693 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:38:35,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:38:35,927 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) [2020-11-30 01:38:35,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6aa26e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:35, skipping insertion in model container [2020-11-30 01:38:35,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:38:35,929 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:38:35,932 INFO L168 Benchmark]: Toolchain (without parser) took 2874.25 ms. Allocated memory was 88.1 MB in the beginning and 125.8 MB in the end (delta: 37.7 MB). Free memory was 53.2 MB in the beginning and 82.0 MB in the end (delta: -28.8 MB). Peak memory consumption was 59.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:35,934 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:38:35,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2871.31 ms. Allocated memory was 88.1 MB in the beginning and 125.8 MB in the end (delta: 37.7 MB). Free memory was 52.9 MB in the beginning and 82.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:38:35,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2871.31 ms. Allocated memory was 88.1 MB in the beginning and 125.8 MB in the end (delta: 37.7 MB). Free memory was 52.9 MB in the beginning and 82.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5281]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:38:38,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:38:38,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:38:38,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:38:38,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:38:38,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:38:38,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:38:38,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:38:38,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:38:38,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:38:38,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:38:38,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:38:38,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:38:38,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:38:38,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:38:38,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:38:38,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:38:38,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:38:38,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:38:38,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:38:38,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:38:38,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:38:38,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:38:38,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:38:38,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:38:38,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:38:38,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:38:38,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:38:38,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:38:38,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:38:38,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:38:38,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:38:38,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:38:38,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:38:38,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:38:38,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:38:38,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:38:38,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:38:38,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:38:38,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:38:38,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:38:38,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-30 01:38:38,699 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:38:38,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:38:38,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:38:38,704 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:38:38,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:38:38,704 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:38:38,705 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:38:38,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:38:38,705 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:38:38,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:38:38,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:38:38,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:38:38,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:38:38,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:38:38,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:38:38,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:38:38,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:38:38,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:38:38,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:38:38,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:38:38,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:38:38,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:38:38,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:38:38,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:38:38,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:38:38,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:38:38,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:38:38,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:38:38,715 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:38:38,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:38:38,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:38:38,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:38:38,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:38:38,716 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-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2020-11-30 01:38:39,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:38:39,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:38:39,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:38:39,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:38:39,212 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:38:39,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-11-30 01:38:39,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2d8b54a41/ee677abd96a9462b93025fd8eb4a7ffa/FLAG4067e0a61 [2020-11-30 01:38:40,508 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:38:40,509 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-11-30 01:38:40,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2d8b54a41/ee677abd96a9462b93025fd8eb4a7ffa/FLAG4067e0a61 [2020-11-30 01:38:40,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/data/2d8b54a41/ee677abd96a9462b93025fd8eb4a7ffa [2020-11-30 01:38:40,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:38:40,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:38:40,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:38:40,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:38:40,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:38:40,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:38:40" (1/1) ... [2020-11-30 01:38:40,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf79a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:40, skipping insertion in model container [2020-11-30 01:38:40,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:38:40" (1/1) ... [2020-11-30 01:38:40,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:38:41,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:38:44,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:38:44,134 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 01:38:44,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:38:44,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:38:44,598 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:38:45,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:38:46,128 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:38:46,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46 WrapperNode [2020-11-30 01:38:46,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:38:46,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:38:46,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:38:46,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:38:46,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:46,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:46,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:38:46,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:38:46,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:38:46,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:38:46,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:46,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:47,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:47,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:47,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:47,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:48,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... [2020-11-30 01:38:48,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:38:48,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:38:48,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:38:48,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:38:48,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:38:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-30 01:38:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-11-30 01:38:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-11-30 01:38:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:38:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 01:38:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-11-30 01:38:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 01:38:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:38:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:38:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-11-30 01:38:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-30 01:38:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-11-30 01:38:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:38:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:38:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 01:38:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:38:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 01:38:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2020-11-30 01:38:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 01:38:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2020-11-30 01:38:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-30 01:38:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2020-11-30 01:38:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:38:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:38:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-11-30 01:38:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2020-11-30 01:38:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2020-11-30 01:38:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 01:38:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-11-30 01:38:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:38:48,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:38:50,174 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:38:50,496 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:38:50,524 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:38:50,542 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:38:50,646 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 01:42:09,024 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2478: assume false; [2020-11-30 01:42:09,025 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2479: assume !false; [2020-11-30 01:42:09,025 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2443: assume !false; [2020-11-30 01:42:09,025 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2442: assume false; [2020-11-30 01:42:09,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2449: assume !false; [2020-11-30 01:42:09,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2448: assume false; [2020-11-30 01:42:09,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2375: assume !false; [2020-11-30 01:42:09,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2374: assume false; [2020-11-30 01:42:09,026 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2379: assume !false; [2020-11-30 01:42:09,027 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2378: assume false; [2020-11-30 01:42:09,027 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2366: assume !false; [2020-11-30 01:42:09,027 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2365: assume false; [2020-11-30 01:42:09,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2020-11-30 01:42:09,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2020-11-30 01:42:09,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2020-11-30 01:42:09,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2020-11-30 01:42:09,028 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2020-11-30 01:42:09,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2020-11-30 01:42:09,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2020-11-30 01:42:09,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2020-11-30 01:42:09,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2020-11-30 01:42:09,029 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2020-11-30 01:42:09,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2020-11-30 01:42:09,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2020-11-30 01:42:09,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2020-11-30 01:42:09,030 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2020-11-30 01:42:09,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2020-11-30 01:42:09,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2020-11-30 01:42:09,031 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2807: assume false; [2020-11-30 01:42:09,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2808: assume !false; [2020-11-30 01:42:09,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2814: assume !false; [2020-11-30 01:42:09,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2813: assume false; [2020-11-30 01:42:09,032 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2803: assume false; [2020-11-30 01:42:09,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2804: assume !false; [2020-11-30 01:42:09,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2881: assume !false; [2020-11-30 01:42:09,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2880: assume false; [2020-11-30 01:42:09,033 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2020-11-30 01:42:09,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2020-11-30 01:42:09,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume false;havoc get_current_#res.base, get_current_#res.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset;havoc get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2654: assume !false; [2020-11-30 01:42:09,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2653: assume false; [2020-11-30 01:42:09,034 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2020-11-30 01:42:09,035 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2020-11-30 01:42:09,035 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2658: assume !false; [2020-11-30 01:42:09,035 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2657: assume false; [2020-11-30 01:42:09,035 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2020-11-30 01:42:09,036 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2020-11-30 01:42:09,036 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2020-11-30 01:42:09,036 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2020-11-30 01:42:09,036 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2020-11-30 01:42:09,036 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2020-11-30 01:42:09,037 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2020-11-30 01:42:09,037 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2020-11-30 01:42:09,037 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3046: assume false; [2020-11-30 01:42:09,037 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3047: assume !false; [2020-11-30 01:42:09,038 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3066: assume false; [2020-11-30 01:42:09,038 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3067: assume !false; [2020-11-30 01:42:09,038 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3053: assume !false; [2020-11-30 01:42:09,038 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3052: assume false; [2020-11-30 01:42:09,039 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3059: assume !false; [2020-11-30 01:42:09,039 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3058: assume false; [2020-11-30 01:42:09,039 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4234: assume false; [2020-11-30 01:42:09,039 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4235: assume !false; [2020-11-30 01:42:09,040 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3169: assume false; [2020-11-30 01:42:09,041 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3170: assume !false; [2020-11-30 01:42:09,042 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2020-11-30 01:42:09,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2020-11-30 01:42:09,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2020-11-30 01:42:09,043 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2020-11-30 01:42:09,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2020-11-30 01:42:09,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2020-11-30 01:42:09,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2020-11-30 01:42:09,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2020-11-30 01:42:09,044 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2020-11-30 01:42:09,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2020-11-30 01:42:09,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-3: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-7: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-5: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,045 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-15: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-13: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5185-17: get_current_#res.base, get_current_#res.offset := get_current_~pfo_ret__~0.base, get_current_~pfo_ret__~0.offset; [2020-11-30 01:42:09,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-1: ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset := ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;havoc ppp_read_#t~ret304.base, ppp_read_#t~ret304.offset;ppp_read_~__ptr~0.base, ppp_read_~__ptr~0.offset := ppp_read_~tmp___0~15.base, ppp_read_~tmp___0~15.offset; [2020-11-30 01:42:09,046 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-2: ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset := ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;havoc ppp_read_#t~ret305.base, ppp_read_#t~ret305.offset;ppp_read_~__ptr___0~0.base, ppp_read_~__ptr___0~0.offset := ppp_read_~tmp___1~6.base, ppp_read_~tmp___1~6.offset; [2020-11-30 01:42:09,047 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-3: ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset := ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;havoc ppp_read_#t~ret306.base, ppp_read_#t~ret306.offset;ppp_read_~__ptr___1~0.base, ppp_read_~__ptr___1~0.offset := ppp_read_~tmp___2~5.base, ppp_read_~tmp___2~5.offset; [2020-11-30 01:42:09,047 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-8: ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset := ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;havoc ppp_read_#t~ret318.base, ppp_read_#t~ret318.offset;ppp_read_~__ptr___5~0.base, ppp_read_~__ptr___5~0.offset := ppp_read_~tmp___8~0.base, ppp_read_~tmp___8~0.offset; [2020-11-30 01:42:09,047 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-6: ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset := ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;havoc ppp_read_#t~ret316.base, ppp_read_#t~ret316.offset;ppp_read_~__ptr___3~0.base, ppp_read_~__ptr___3~0.offset := ppp_read_~tmp___6~0.base, ppp_read_~tmp___6~0.offset; [2020-11-30 01:42:09,047 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint L5203-7: ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset := get_current_#res.base, get_current_#res.offset;ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset := ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;havoc ppp_read_#t~ret317.base, ppp_read_#t~ret317.offset;ppp_read_~__ptr___4~0.base, ppp_read_~__ptr___4~0.offset := ppp_read_~tmp___7~0.base, ppp_read_~tmp___7~0.offset; [2020-11-30 01:42:09,112 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:42:09,112 INFO L298 CfgBuilder]: Removed 5562 assume(true) statements. [2020-11-30 01:42:09,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:42:09 BoogieIcfgContainer [2020-11-30 01:42:09,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:42:09,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:42:09,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:42:09,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:42:09,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:38:40" (1/3) ... [2020-11-30 01:42:09,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ce168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:42:09, skipping insertion in model container [2020-11-30 01:42:09,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:38:46" (2/3) ... [2020-11-30 01:42:09,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8ce168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:42:09, skipping insertion in model container [2020-11-30 01:42:09,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:42:09" (3/3) ... [2020-11-30 01:42:09,131 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-11-30 01:42:09,145 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:42:09,156 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2020-11-30 01:42:09,172 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-11-30 01:42:09,242 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:42:09,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:42:09,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:42:09,245 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:42:09,245 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:42:09,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:42:09,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:42:09,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:42:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4250 states. [2020-11-30 01:42:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:42:09,345 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:42:09,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:42:09,348 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:42:09,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:42:09,356 INFO L82 PathProgramCache]: Analyzing trace with hash 506300410, now seen corresponding path program 1 times [2020-11-30 01:42:09,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:42:09,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898123933] [2020-11-30 01:42:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:42:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:42:11,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:42:11,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:42:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:11,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:42:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:11,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898123933] [2020-11-30 01:42:11,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:42:11,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 01:42:11,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51780139] [2020-11-30 01:42:11,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:42:11,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:42:11,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:42:11,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:42:11,566 INFO L87 Difference]: Start difference. First operand 4250 states. Second operand 3 states. [2020-11-30 01:42:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:42:12,865 INFO L93 Difference]: Finished difference Result 12579 states and 17600 transitions. [2020-11-30 01:42:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:42:12,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-11-30 01:42:12,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:42:12,957 INFO L225 Difference]: With dead ends: 12579 [2020-11-30 01:42:12,958 INFO L226 Difference]: Without dead ends: 8158 [2020-11-30 01:42:12,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:42:13,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8158 states. [2020-11-30 01:42:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8158 to 8006. [2020-11-30 01:42:13,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8006 states. [2020-11-30 01:42:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8006 states to 8006 states and 10695 transitions. [2020-11-30 01:42:13,418 INFO L78 Accepts]: Start accepts. Automaton has 8006 states and 10695 transitions. Word has length 12 [2020-11-30 01:42:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:42:13,420 INFO L481 AbstractCegarLoop]: Abstraction has 8006 states and 10695 transitions. [2020-11-30 01:42:13,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:42:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states and 10695 transitions. [2020-11-30 01:42:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:42:13,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:42:13,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:42:13,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 01:42:13,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:42:13,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:42:13,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2094561803, now seen corresponding path program 1 times [2020-11-30 01:42:13,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:42:13,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409143561] [2020-11-30 01:42:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 01:42:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:42:16,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 01:42:16,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:42:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:16,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:42:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:16,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409143561] [2020-11-30 01:42:16,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:42:16,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 01:42:16,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258263293] [2020-11-30 01:42:16,326 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:42:16,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:42:16,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:42:16,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:42:16,328 INFO L87 Difference]: Start difference. First operand 8006 states and 10695 transitions. Second operand 5 states. [2020-11-30 01:42:16,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:42:16,883 INFO L93 Difference]: Finished difference Result 15994 states and 21368 transitions. [2020-11-30 01:42:16,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:42:16,884 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-30 01:42:16,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:42:16,942 INFO L225 Difference]: With dead ends: 15994 [2020-11-30 01:42:16,942 INFO L226 Difference]: Without dead ends: 8006 [2020-11-30 01:42:16,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:42:16,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8006 states. [2020-11-30 01:42:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8006 to 8006. [2020-11-30 01:42:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8006 states. [2020-11-30 01:42:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8006 states to 8006 states and 10693 transitions. [2020-11-30 01:42:17,312 INFO L78 Accepts]: Start accepts. Automaton has 8006 states and 10693 transitions. Word has length 37 [2020-11-30 01:42:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:42:17,312 INFO L481 AbstractCegarLoop]: Abstraction has 8006 states and 10693 transitions. [2020-11-30 01:42:17,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:42:17,313 INFO L276 IsEmpty]: Start isEmpty. Operand 8006 states and 10693 transitions. [2020-11-30 01:42:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:42:17,316 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:42:17,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:42:17,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 01:42:17,547 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:42:17,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:42:17,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1673159627, now seen corresponding path program 1 times [2020-11-30 01:42:17,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:42:17,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461505650] [2020-11-30 01:42:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 01:42:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:42:19,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:42:19,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:42:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:19,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:42:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:42:19,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461505650] [2020-11-30 01:42:19,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:42:19,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-30 01:42:19,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159746178] [2020-11-30 01:42:19,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:42:19,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 01:42:19,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:42:19,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:42:19,774 INFO L87 Difference]: Start difference. First operand 8006 states and 10693 transitions. Second operand 4 states. [2020-11-30 01:42:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:42:20,602 INFO L93 Difference]: Finished difference Result 23538 states and 31412 transitions. [2020-11-30 01:42:20,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:42:20,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-11-30 01:42:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:42:20,716 INFO L225 Difference]: With dead ends: 23538 [2020-11-30 01:42:20,716 INFO L226 Difference]: Without dead ends: 15553 [2020-11-30 01:42:20,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:42:20,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15553 states. [2020-11-30 01:42:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15553 to 15373. [2020-11-30 01:42:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15373 states. [2020-11-30 01:42:21,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15373 states to 15373 states and 20586 transitions. [2020-11-30 01:42:21,653 INFO L78 Accepts]: Start accepts. Automaton has 15373 states and 20586 transitions. Word has length 44 [2020-11-30 01:42:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:42:21,654 INFO L481 AbstractCegarLoop]: Abstraction has 15373 states and 20586 transitions. [2020-11-30 01:42:21,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:42:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 15373 states and 20586 transitions. [2020-11-30 01:42:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:42:21,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:42:21,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:42:21,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 01:42:21,878 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:42:21,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:42:21,879 INFO L82 PathProgramCache]: Analyzing trace with hash 593059941, now seen corresponding path program 1 times [2020-11-30 01:42:21,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 01:42:21,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276882469] [2020-11-30 01:42:21,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d06bff6d-1133-4172-a579-83171c07c6d4/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 01:43:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:43:17,874 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:44:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:44:15,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:44:16,879 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-30 01:44:16,880 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:44:17,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 01:44:17,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:44:17 BoogieIcfgContainer [2020-11-30 01:44:17,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:44:17,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:44:17,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:44:17,413 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:44:17,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:42:09" (3/4) ... [2020-11-30 01:44:17,419 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:44:17,419 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:44:17,423 INFO L168 Benchmark]: Toolchain (without parser) took 336548.01 ms. Allocated memory was 52.4 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 27.9 MB in the beginning and 455.8 MB in the end (delta: -427.9 MB). Peak memory consumption was 785.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,424 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:44:17,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5255.50 ms. Allocated memory was 52.4 MB in the beginning and 272.6 MB in the end (delta: 220.2 MB). Free memory was 27.6 MB in the beginning and 94.7 MB in the end (delta: -67.1 MB). Peak memory consumption was 162.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 818.85 ms. Allocated memory is still 272.6 MB. Free memory was 94.7 MB in the beginning and 104.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,435 INFO L168 Benchmark]: Boogie Preprocessor took 1165.60 ms. Allocated memory was 272.6 MB in the beginning and 444.6 MB in the end (delta: 172.0 MB). Free memory was 104.2 MB in the beginning and 281.3 MB in the end (delta: -177.2 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,436 INFO L168 Benchmark]: RCFGBuilder took 201000.58 ms. Allocated memory was 444.6 MB in the beginning and 1.3 GB in the end (delta: 822.1 MB). Free memory was 281.3 MB in the beginning and 939.7 MB in the end (delta: -658.4 MB). Peak memory consumption was 774.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,436 INFO L168 Benchmark]: TraceAbstraction took 128290.51 ms. Allocated memory is still 1.3 GB. Free memory was 939.7 MB in the beginning and 455.8 MB in the end (delta: 483.9 MB). Peak memory consumption was 483.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:44:17,437 INFO L168 Benchmark]: Witness Printer took 6.70 ms. Allocated memory is still 1.3 GB. Free memory is still 455.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:44:17,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 52.4 MB. Free memory was 34.5 MB in the beginning and 34.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5255.50 ms. Allocated memory was 52.4 MB in the beginning and 272.6 MB in the end (delta: 220.2 MB). Free memory was 27.6 MB in the beginning and 94.7 MB in the end (delta: -67.1 MB). Peak memory consumption was 162.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 818.85 ms. Allocated memory is still 272.6 MB. Free memory was 94.7 MB in the beginning and 104.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 1165.60 ms. Allocated memory was 272.6 MB in the beginning and 444.6 MB in the end (delta: 172.0 MB). Free memory was 104.2 MB in the beginning and 281.3 MB in the end (delta: -177.2 MB). Peak memory consumption was 119.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 201000.58 ms. Allocated memory was 444.6 MB in the beginning and 1.3 GB in the end (delta: 822.1 MB). Free memory was 281.3 MB in the beginning and 939.7 MB in the end (delta: -658.4 MB). Peak memory consumption was 774.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 128290.51 ms. Allocated memory is still 1.3 GB. Free memory was 939.7 MB in the beginning and 455.8 MB in the end (delta: 483.9 MB). Peak memory consumption was 483.9 MB. Max. memory is 16.1 GB. * Witness Printer took 6.70 ms. Allocated memory is still 1.3 GB. Free memory is still 455.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L11180] return __VERIFIER_nondet_int(); [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L5879] int tmp ; [L11003] return __VERIFIER_nondet_int(); [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L7038] COND FALSE !(__ret_gu___1 != 0) [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U [L7050] COND TRUE (cflags & 64) != 0 [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] xcomp->comp_free [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9975] xcomp->owner [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L12] COND FALSE !(0) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] [L12] __assert_fail ("0", "module_get_put-drivers-net-ppp_generic.ko.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [__this_module={0:0}, channel_count={-914413715:0}, compressor_list={-771807380:0}, compressor_list_lock={-243325076:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-109107348:0}, npindex_to_proto={-1048631316:0}, ppp_class={0:0}, ppp_device_fops={-914413716:0}, ppp_mutex={1367025516:0}, ppp_net_id={-780195988:0}, ppp_net_ops={-1048631506:0}, ppp_netdev_ops={1098852204:0}, ppp_unit_count={-377542804:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4250 locations, 39 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 127.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16571 SDtfs, 16030 SDslu, 29878 SDs, 0 SdLazy, 204 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15373occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 332 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 57.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 14205 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2413 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...