./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 0.2.0-7b2dab5 [2020-12-09 10:23:28,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:23:28,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:23:28,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:23:28,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:23:28,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:23:28,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:23:28,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:23:28,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:23:28,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:23:28,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:23:28,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:23:28,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:23:28,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:23:28,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:23:28,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:23:28,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:23:28,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:23:28,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:23:28,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:23:28,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:23:28,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:23:28,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:23:28,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:23:28,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:23:28,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:23:28,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:23:28,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:23:28,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:23:28,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:23:28,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:23:28,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:23:28,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:23:28,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:23:28,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:23:28,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:23:28,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:23:28,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:23:28,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:23:28,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:23:28,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:23:28,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-12-09 10:23:28,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:23:28,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:23:28,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:23:28,120 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:23:28,120 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:23:28,121 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:23:28,122 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:23:28,122 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:23:28,122 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:23:28,122 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:23:28,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:23:28,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:23:28,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:23:28,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:23:28,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:23:28,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:23:28,125 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_ecb1b021-7615-4133-a202-c274f9d84a93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2020-12-09 10:23:28,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:23:28,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:23:28,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:23:28,316 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:23:28,317 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:23:28,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-12-09 10:23:28,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/326c13e83/c0483bf98056462ba44a9916697e8774/FLAG855b09bdd [2020-12-09 10:23:28,936 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:23:28,937 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-12-09 10:23:28,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/326c13e83/c0483bf98056462ba44a9916697e8774/FLAG855b09bdd [2020-12-09 10:23:29,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/326c13e83/c0483bf98056462ba44a9916697e8774 [2020-12-09 10:23:29,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:23:29,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:23:29,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:29,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:23:29,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:23:29,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:29" (1/1) ... [2020-12-09 10:23:29,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6394c27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:29, skipping insertion in model container [2020-12-09 10:23:29,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:29" (1/1) ... [2020-12-09 10:23:29,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:23:29,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:30,135 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,146 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,155 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,159 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,163 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,164 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,170 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,283 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,396 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,400 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,513 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,528 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,529 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,530 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,531 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,535 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,537 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,544 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,545 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,546 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,550 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,551 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,556 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,561 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,561 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,562 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,564 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,567 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,588 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,592 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,602 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,610 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,637 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,643 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,645 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,647 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,660 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,662 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,680 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,681 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,683 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,696 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,697 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,698 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,700 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,701 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,703 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,704 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,704 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,706 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,707 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,723 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,724 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,725 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,729 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,735 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,736 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,736 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,737 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,737 WARN L549 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-12-09 10:23:30,771 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2020-12-09 10:23:30,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:30,829 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) [2020-12-09 10:23:30,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cf126ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:30, skipping insertion in model container [2020-12-09 10:23:30,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:30,830 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 10:23:30,832 INFO L168 Benchmark]: Toolchain (without parser) took 1692.99 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 70.7 MB in the beginning and 72.5 MB in the end (delta: -1.9 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:23:30,832 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:23:30,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1690.82 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 70.3 MB in the beginning and 72.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:23:30,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 100.7 MB. Free memory is still 76.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1690.82 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 70.3 MB in the beginning and 72.5 MB in the end (delta: -2.2 MB). Peak memory consumption was 43.1 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 0.2.0-7b2dab5 [2020-12-09 10:23:32,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:23:32,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:23:32,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:23:32,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:23:32,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:23:32,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:23:32,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:23:32,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:23:32,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:23:32,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:23:32,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:23:32,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:23:32,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:23:32,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:23:32,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:23:32,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:23:32,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:23:32,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:23:32,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:23:32,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:23:32,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:23:32,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:23:32,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:23:32,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:23:32,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:23:32,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:23:32,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:23:32,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:23:32,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:23:32,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:23:32,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:23:32,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:23:32,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:23:32,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:23:32,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:23:32,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:23:32,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:23:32,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:23:32,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:23:32,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:23:32,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-12-09 10:23:32,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:23:32,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:23:32,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:23:32,303 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:23:32,303 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:23:32,303 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:23:32,303 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:23:32,304 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:23:32,304 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:23:32,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:23:32,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:23:32,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:23:32,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:23:32,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:23:32,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:23:32,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:23:32,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:23:32,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:23:32,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:23:32,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:23:32,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:23:32,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:23:32,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:23:32,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:23:32,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:23:32,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:23:32,308 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_ecb1b021-7615-4133-a202-c274f9d84a93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c445e7d136bb1d3b34eea0dd6ecd69c876791489 [2020-12-09 10:23:32,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:23:32,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:23:32,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:23:32,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:23:32,571 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:23:32,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-12-09 10:23:32,612 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/ff566c39e/4ba60774e9124c76a519251c55faeae1/FLAG45df0f33e [2020-12-09 10:23:33,317 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:23:33,317 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-12-09 10:23:33,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/ff566c39e/4ba60774e9124c76a519251c55faeae1/FLAG45df0f33e [2020-12-09 10:23:33,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/bin/utaipan/data/ff566c39e/4ba60774e9124c76a519251c55faeae1 [2020-12-09 10:23:33,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:23:33,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:23:33,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:33,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:23:33,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:23:33,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:33" (1/1) ... [2020-12-09 10:23:33,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccc148b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:33, skipping insertion in model container [2020-12-09 10:23:33,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:23:33" (1/1) ... [2020-12-09 10:23:33,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:23:33,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:35,212 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2020-12-09 10:23:35,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:35,277 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-09 10:23:35,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:23:35,497 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2020-12-09 10:23:35,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:35,524 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:23:35,812 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2020-12-09 10:23:35,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:23:36,291 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:23:36,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36 WrapperNode [2020-12-09 10:23:36,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:23:36,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:23:36,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:23:36,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:23:36,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:23:36,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:23:36,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:23:36,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:23:36,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:36,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:37,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:37,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... [2020-12-09 10:23:37,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:23:37,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:23:37,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:23:37,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:23:37,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 [2020-12-09 10:23:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-09 10:23:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2020-12-09 10:23:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-09 10:23:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 10:23:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 10:23:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2020-12-09 10:23:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2020-12-09 10:23:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:23:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:23:37,776 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:23:37,934 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:23:37,950 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:23:37,958 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:23:38,029 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:26:28,393 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2438: assume false; [2020-12-09 10:26:28,393 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume !false; [2020-12-09 10:26:28,393 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2020-12-09 10:26:28,393 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2020-12-09 10:26:28,393 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2409: assume !false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2408: assume false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2335: assume !false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2334: assume false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2339: assume !false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2338: assume false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2326: assume !false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2325: assume false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2020-12-09 10:26:28,394 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !true; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !true; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##66: assume !false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##50: assume !false; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume !false; [2020-12-09 10:26:28,395 INFO L752 $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; [2020-12-09 10:26:28,395 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##49: assume false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume !false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2993: assume !false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2992: assume false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2999: assume !false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2998: assume false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2986: assume false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2987: assume !false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume !false; [2020-12-09 10:26:28,396 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2828: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2755: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2756: assume !false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2759: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2760: assume !false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2766: assume !false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2765: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2609: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2610: assume !false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2614: assume !false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2613: assume false; [2020-12-09 10:26:28,397 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume !false; [2020-12-09 10:26:28,398 INFO L752 $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; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume !false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !true; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##119: assume !true; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##121: assume !false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##120: assume false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume !false; [2020-12-09 10:26:28,398 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3006: assume false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3007: assume !false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4158: assume false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4159: assume !false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3110: assume !false; [2020-12-09 10:26:28,399 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3109: assume false; [2020-12-09 10:26:28,400 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: assume !true; [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-1: goto; [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: assume !true; [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5181-4: goto; [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-1: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-2: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-6: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-3: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-7: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint L5184-8: call __bad_percpu_size(); [2020-12-09 10:26:28,401 INFO L752 $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; [2020-12-09 10:26:28,401 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,402 INFO L752 $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; [2020-12-09 10:26:28,403 INFO L752 $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; [2020-12-09 10:26:28,439 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:26:28,439 INFO L299 CfgBuilder]: Removed 5484 assume(true) statements. [2020-12-09 10:26:28,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:28 BoogieIcfgContainer [2020-12-09 10:26:28,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:26:28,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:26:28,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:26:28,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:26:28,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:23:33" (1/3) ... [2020-12-09 10:26:28,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761cc819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:26:28, skipping insertion in model container [2020-12-09 10:26:28,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:23:36" (2/3) ... [2020-12-09 10:26:28,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761cc819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:26:28, skipping insertion in model container [2020-12-09 10:26:28,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:28" (3/3) ... [2020-12-09 10:26:28,449 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2020-12-09 10:26:28,459 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:26:28,464 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 39 error locations. [2020-12-09 10:26:28,472 INFO L253 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2020-12-09 10:26:28,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:26:28,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:26:28,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:26:28,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:26:28,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:26:28,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:26:28,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:26:28,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:26:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states. [2020-12-09 10:26:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 10:26:28,548 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:26:28,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:26:28,549 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]=== [2020-12-09 10:26:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:26:28,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1393895239, now seen corresponding path program 1 times [2020-12-09 10:26:28,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:26:28,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [280813322] [2020-12-09 10:26:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 [2020-12-09 10:26:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:26:29,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:26:29,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:26:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:26:29,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:26:29,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [280813322] [2020-12-09 10:26:29,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:26:29,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:26:29,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595229459] [2020-12-09 10:26:29,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:26:29,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:26:29,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:26:29,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:26:29,641 INFO L87 Difference]: Start difference. First operand 4133 states. Second operand 3 states. [2020-12-09 10:26:30,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:26:30,490 INFO L93 Difference]: Finished difference Result 12308 states and 17213 transitions. [2020-12-09 10:26:30,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:26:30,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-09 10:26:30,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:26:30,538 INFO L225 Difference]: With dead ends: 12308 [2020-12-09 10:26:30,538 INFO L226 Difference]: Without dead ends: 8004 [2020-12-09 10:26:30,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:26:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8004 states. [2020-12-09 10:26:30,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8004 to 7928. [2020-12-09 10:26:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7928 states. [2020-12-09 10:26:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10617 transitions. [2020-12-09 10:26:30,777 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10617 transitions. Word has length 10 [2020-12-09 10:26:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:26:30,777 INFO L481 AbstractCegarLoop]: Abstraction has 7928 states and 10617 transitions. [2020-12-09 10:26:30,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:26:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10617 transitions. [2020-12-09 10:26:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-09 10:26:30,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:26:30,782 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] [2020-12-09 10:26:30,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 10:26:30,983 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]=== [2020-12-09 10:26:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:26:30,984 INFO L82 PathProgramCache]: Analyzing trace with hash -473324972, now seen corresponding path program 1 times [2020-12-09 10:26:30,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:26:30,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542397605] [2020-12-09 10:26:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 [2020-12-09 10:26:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:26:31,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 10:26:31,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:26:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:26:31,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:26:31,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542397605] [2020-12-09 10:26:31,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:26:31,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:26:31,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428570373] [2020-12-09 10:26:31,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:26:31,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:26:31,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:26:31,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:26:31,992 INFO L87 Difference]: Start difference. First operand 7928 states and 10617 transitions. Second operand 5 states. [2020-12-09 10:26:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:26:32,398 INFO L93 Difference]: Finished difference Result 15838 states and 21212 transitions. [2020-12-09 10:26:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:26:32,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-12-09 10:26:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:26:32,430 INFO L225 Difference]: With dead ends: 15838 [2020-12-09 10:26:32,430 INFO L226 Difference]: Without dead ends: 7928 [2020-12-09 10:26:32,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 10:26:32,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7928 states. [2020-12-09 10:26:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7928 to 7928. [2020-12-09 10:26:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7928 states. [2020-12-09 10:26:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7928 states to 7928 states and 10615 transitions. [2020-12-09 10:26:32,644 INFO L78 Accepts]: Start accepts. Automaton has 7928 states and 10615 transitions. Word has length 35 [2020-12-09 10:26:32,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:26:32,644 INFO L481 AbstractCegarLoop]: Abstraction has 7928 states and 10615 transitions. [2020-12-09 10:26:32,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:26:32,644 INFO L276 IsEmpty]: Start isEmpty. Operand 7928 states and 10615 transitions. [2020-12-09 10:26:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-09 10:26:32,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:26:32,646 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] [2020-12-09 10:26:32,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 10:26:32,847 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]=== [2020-12-09 10:26:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:26:32,848 INFO L82 PathProgramCache]: Analyzing trace with hash -839366508, now seen corresponding path program 1 times [2020-12-09 10:26:32,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:26:32,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622650988] [2020-12-09 10:26:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 [2020-12-09 10:26:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:26:33,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 10:26:33,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:26:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:26:33,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 10:26:33,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1622650988] [2020-12-09 10:26:33,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:26:33,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:26:33,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567499664] [2020-12-09 10:26:33,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:26:33,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 10:26:33,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:26:33,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:26:33,858 INFO L87 Difference]: Start difference. First operand 7928 states and 10615 transitions. Second operand 3 states. [2020-12-09 10:26:34,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:26:34,143 INFO L93 Difference]: Finished difference Result 19572 states and 26195 transitions. [2020-12-09 10:26:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:26:34,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2020-12-09 10:26:34,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:26:34,190 INFO L225 Difference]: With dead ends: 19572 [2020-12-09 10:26:34,190 INFO L226 Difference]: Without dead ends: 11665 [2020-12-09 10:26:34,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:26:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11665 states. [2020-12-09 10:26:34,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11665 to 11611. [2020-12-09 10:26:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11611 states. [2020-12-09 10:26:34,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11611 states to 11611 states and 15557 transitions. [2020-12-09 10:26:34,451 INFO L78 Accepts]: Start accepts. Automaton has 11611 states and 15557 transitions. Word has length 42 [2020-12-09 10:26:34,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:26:34,451 INFO L481 AbstractCegarLoop]: Abstraction has 11611 states and 15557 transitions. [2020-12-09 10:26:34,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:26:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 11611 states and 15557 transitions. [2020-12-09 10:26:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-09 10:26:34,453 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:26:34,453 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] [2020-12-09 10:26:34,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 10:26:34,654 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]=== [2020-12-09 10:26:34,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:26:34,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1381473804, now seen corresponding path program 1 times [2020-12-09 10:26:34,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:26:34,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492609585] [2020-12-09 10:26:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecb1b021-7615-4133-a202-c274f9d84a93/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 [2020-12-09 10:27:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:27:13,864 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:27:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:27:43,690 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:27:44,278 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 10:27:44,278 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:27:44,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 10:27:44,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:27:44 BoogieIcfgContainer [2020-12-09 10:27:44,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:27:44,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:27:44,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:27:44,649 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:27:44,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:26:28" (3/4) ... [2020-12-09 10:27:44,652 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 10:27:44,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:27:44,653 INFO L168 Benchmark]: Toolchain (without parser) took 251001.75 ms. Allocated memory was 65.0 MB in the beginning and 742.4 MB in the end (delta: 677.4 MB). Free memory was 34.9 MB in the beginning and 428.4 MB in the end (delta: -393.5 MB). Peak memory consumption was 284.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,653 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:27:44,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2640.03 ms. Allocated memory was 65.0 MB in the beginning and 161.5 MB in the end (delta: 96.5 MB). Free memory was 34.7 MB in the beginning and 56.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 391.56 ms. Allocated memory was 161.5 MB in the beginning and 331.4 MB in the end (delta: 169.9 MB). Free memory was 56.3 MB in the beginning and 174.8 MB in the end (delta: -118.5 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,655 INFO L168 Benchmark]: Boogie Preprocessor took 549.92 ms. Allocated memory is still 331.4 MB. Free memory was 174.8 MB in the beginning and 174.6 MB in the end (delta: 141.6 kB). Peak memory consumption was 119.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,655 INFO L168 Benchmark]: RCFGBuilder took 171209.02 ms. Allocated memory was 331.4 MB in the beginning and 742.4 MB in the end (delta: 411.0 MB). Free memory was 174.6 MB in the beginning and 205.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 442.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,656 INFO L168 Benchmark]: TraceAbstraction took 76203.89 ms. Allocated memory is still 742.4 MB. Free memory was 204.5 MB in the beginning and 428.4 MB in the end (delta: -224.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:27:44,656 INFO L168 Benchmark]: Witness Printer took 2.59 ms. Allocated memory is still 742.4 MB. Free memory is still 428.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:27:44,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 65.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2640.03 ms. Allocated memory was 65.0 MB in the beginning and 161.5 MB in the end (delta: 96.5 MB). Free memory was 34.7 MB in the beginning and 56.3 MB in the end (delta: -21.6 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 391.56 ms. Allocated memory was 161.5 MB in the beginning and 331.4 MB in the end (delta: 169.9 MB). Free memory was 56.3 MB in the beginning and 174.8 MB in the end (delta: -118.5 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 549.92 ms. Allocated memory is still 331.4 MB. Free memory was 174.8 MB in the beginning and 174.6 MB in the end (delta: 141.6 kB). Peak memory consumption was 119.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 171209.02 ms. Allocated memory was 331.4 MB in the beginning and 742.4 MB in the end (delta: 411.0 MB). Free memory was 174.6 MB in the beginning and 205.5 MB in the end (delta: -30.9 MB). Peak memory consumption was 442.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 76203.89 ms. Allocated memory is still 742.4 MB. Free memory was 204.5 MB in the beginning and 428.4 MB in the end (delta: -224.0 MB). Peak memory consumption was 84.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.59 ms. Allocated memory is still 742.4 MB. Free memory is still 428.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L7037] val = (int )__val_gu___1 VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [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={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] [L10809] reach_error() VAL [__this_module={0:4195456}, channel_count={1216349235:0}, compressor_list={-1476387865:0}, compressor_list_lock={59:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={-402646043:0}, npindex_to_proto={134217918:0}, ppp_class={0:0}, ppp_device_fops={-1762656376:0}, ppp_mutex={1207966583:0}, ppp_net_id={1207966688:0}, ppp_net_ops={1216348245:0}, ppp_netdev_ops={-394257500:0}, ppp_unit_count={-939516945:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4133 locations, 39 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 75.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16343 SDtfs, 8077 SDslu, 26942 SDs, 0 SdLazy, 194 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11611occurred 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: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 40.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 5234 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2407 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...