./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs --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 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:36,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:36,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:36,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:36,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:36,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:36,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:36,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:36,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:36,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:36,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:36,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:36,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:36,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:36,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:36,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:36,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:36,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:36,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:36,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:36,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:36,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:36,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:36,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:36,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:36,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:36,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:36,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:36,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:36,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:36,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:36,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:36,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:36,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:36,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:36,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:36,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:36,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:36,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:36,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:36,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:36,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:40:36,839 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:36,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:36,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:36,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:36,842 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:36,843 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:36,843 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:36,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:40:36,844 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:36,844 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:36,845 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:40:36,846 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:40:36,846 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:36,846 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:40:36,847 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:40:36,847 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:40:36,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:36,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:40:36,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:36,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:36,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:36,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:36,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:36,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:36,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:36,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:36,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:36,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:36,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:36,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:36,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:36,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:36,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:40:36,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:40:36,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:36,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:36,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:36,856 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2021-11-19 13:40:37,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:37,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:37,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:37,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:37,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:37,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 13:40:37,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/0cc60ad21/4c7858904e2447a4a058f9da3923448c/FLAG4a9dc14be [2021-11-19 13:40:38,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:40:38,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 13:40:38,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/0cc60ad21/4c7858904e2447a4a058f9da3923448c/FLAG4a9dc14be [2021-11-19 13:40:38,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/0cc60ad21/4c7858904e2447a4a058f9da3923448c [2021-11-19 13:40:38,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:40:38,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:40:38,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:38,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:40:38,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:40:38,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:38" (1/1) ... [2021-11-19 13:40:38,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7866a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:38, skipping insertion in model container [2021-11-19 13:40:38,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:38" (1/1) ... [2021-11-19 13:40:38,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:40:39,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:41,438 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,450 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,501 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,530 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,671 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,672 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,674 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,675 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,792 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,868 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,895 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,902 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,922 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,961 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,985 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:41,988 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,007 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,010 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,022 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,030 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,044 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,046 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,054 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,058 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,156 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,157 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,184 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,191 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,192 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,194 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,195 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,269 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:42,270 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:40:43,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-19 13:40:43,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-19 13:40:43,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-19 13:40:43,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-19 13:40:43,363 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:43,455 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:40:43,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27c34776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:43, skipping insertion in model container [2021-11-19 13:40:43,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:43,457 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:40:43,459 INFO L158 Benchmark]: Toolchain (without parser) took 4576.73ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 46.8MB in the beginning and 92.5MB in the end (delta: -45.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2021-11-19 13:40:43,460 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:40:43,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4570.99ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 46.8MB in the beginning and 92.5MB in the end (delta: -45.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2021-11-19 13:40:43,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory was 63.7MB in the beginning and 63.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4570.99ms. Allocated memory was 83.9MB in the beginning and 182.5MB in the end (delta: 98.6MB). Free memory was 46.8MB in the beginning and 92.5MB in the end (delta: -45.6MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6067]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs --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 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:40:46,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:40:46,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:40:46,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:40:46,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:40:46,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:40:46,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:40:46,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:40:46,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:40:46,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:40:46,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:40:46,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:40:46,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:40:46,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:40:46,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:40:46,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:40:46,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:40:46,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:40:46,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:40:46,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:40:46,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:40:46,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:40:46,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:40:46,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:40:46,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:40:46,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:40:46,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:40:46,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:40:46,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:40:46,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:40:46,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:40:46,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:40:46,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:40:46,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:40:46,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:40:46,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:40:46,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:40:46,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:40:46,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:40:46,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:40:46,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:40:46,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:40:46,548 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:40:46,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:40:46,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:40:46,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:40:46,551 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:40:46,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:40:46,552 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:40:46,552 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:40:46,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:40:46,552 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:40:46,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:40:46,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:40:46,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:40:46,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:40:46,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:40:46,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:40:46,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:40:46,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:40:46,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:40:46,558 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:40:46,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:40:46,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:40:46,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:40:46,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:40:46,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:46,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:40:46,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:40:46,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:40:46,561 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:40:46,561 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:40:46,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:40:46,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:40:46,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:40:46,562 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2021-11-19 13:40:47,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:40:47,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:40:47,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:40:47,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:40:47,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:40:47,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 13:40:47,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/b7a9911eb/d7ba87820c9e465fabc64cbcdd00054d/FLAG842b670db [2021-11-19 13:40:48,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:40:48,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 13:40:48,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/b7a9911eb/d7ba87820c9e465fabc64cbcdd00054d/FLAG842b670db [2021-11-19 13:40:48,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/data/b7a9911eb/d7ba87820c9e465fabc64cbcdd00054d [2021-11-19 13:40:48,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:40:48,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:40:48,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:48,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:40:48,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:40:48,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:48" (1/1) ... [2021-11-19 13:40:48,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfe3829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:48, skipping insertion in model container [2021-11-19 13:40:48,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:40:48" (1/1) ... [2021-11-19 13:40:48,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:40:48,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:53,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-19 13:40:53,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-19 13:40:53,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-19 13:40:53,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-19 13:40:53,457 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:53,560 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:40:53,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:40:54,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-19 13:40:54,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-19 13:40:54,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-19 13:40:54,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-19 13:40:54,217 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:54,297 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:40:55,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-19 13:40:55,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-19 13:40:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-19 13:40:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-19 13:40:55,201 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:40:55,692 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:40:55,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55 WrapperNode [2021-11-19 13:40:55,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:40:55,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:40:55,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:40:55,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:40:55,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:55,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,178 INFO L137 Inliner]: procedures = 461, calls = 4152, calls flagged for inlining = 247, calls inlined = 238, statements flattened = 8608 [2021-11-19 13:40:56,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:40:56,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:40:56,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:40:56,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:40:56,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:40:56,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:40:56,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:40:56,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:40:56,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (1/1) ... [2021-11-19 13:40:56,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:40:56,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:40:56,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:40:56,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:40:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:40:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:40:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:40:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:40:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 13:40:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 13:40:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-19 13:40:56,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-19 13:40:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-19 13:40:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-19 13:40:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:40:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:40:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:40:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:40:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:40:56,968 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:40:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-19 13:40:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-19 13:40:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-19 13:40:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-19 13:40:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-19 13:40:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-19 13:40:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-19 13:40:56,969 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-19 13:40:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:40:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-19 13:40:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-19 13:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-19 13:40:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-19 13:40:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-19 13:40:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-19 13:40:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 13:40:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 13:40:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:40:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:40:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:40:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:40:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:40:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 13:40:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-19 13:40:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-19 13:40:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:40:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:40:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:40:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:40:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:40:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:40:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 13:40:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 13:40:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 13:40:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 13:40:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 13:40:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 13:40:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:40:56,974 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:40:56,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:40:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:40:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-19 13:40:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-19 13:40:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:40:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:40:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:40:56,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-19 13:40:56,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-19 13:40:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 13:40:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 13:40:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:40:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:40:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:40:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:40:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-19 13:40:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-19 13:40:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-19 13:40:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-19 13:40:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 13:40:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 13:40:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-19 13:40:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-19 13:40:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:40:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:40:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:40:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:40:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:40:56,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:40:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:40:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:40:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-19 13:40:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-19 13:40:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-19 13:40:56,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-19 13:40:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:40:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:40:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:40:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:40:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:40:56,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:40:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:40:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:40:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:40:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:40:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-19 13:40:56,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-19 13:40:56,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 13:40:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 13:40:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-19 13:40:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-19 13:40:56,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:40:56,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:40:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-19 13:40:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-19 13:40:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:40:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:40:56,984 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-19 13:40:56,984 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-19 13:40:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:40:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:40:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:40:56,985 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-19 13:40:56,985 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-19 13:40:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:40:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:40:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:40:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:40:56,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 13:40:56,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 13:40:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 13:40:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 13:40:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:40:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:40:56,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:40:56,987 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:40:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:40:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:40:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:40:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:40:56,988 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-19 13:40:56,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-19 13:40:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:40:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:40:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:40:56,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-19 13:40:56,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-19 13:40:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:40:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:40:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-19 13:40:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-19 13:40:56,990 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 13:40:56,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 13:40:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-19 13:40:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-19 13:40:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-19 13:40:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-19 13:40:56,991 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-19 13:40:56,991 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-19 13:40:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 13:40:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 13:40:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-19 13:40:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-19 13:40:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:40:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:40:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:40:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:40:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-19 13:40:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-19 13:40:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:40:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:40:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-19 13:40:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-19 13:40:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 13:40:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 13:40:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-19 13:40:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-19 13:40:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:40:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-19 13:40:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-19 13:40:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-19 13:40:56,995 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-19 13:40:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-19 13:40:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-19 13:40:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-19 13:40:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-19 13:40:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:40:56,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:40:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-19 13:40:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-19 13:40:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:40:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:40:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-19 13:40:56,997 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-19 13:40:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:40:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:40:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:40:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:40:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:40:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:40:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:40:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:40:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-19 13:40:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-19 13:40:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:40:56,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:40:56,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:40:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:40:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 13:40:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 13:40:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:40:57,000 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:40:57,000 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 13:40:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 13:40:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:40:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-19 13:40:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-19 13:40:57,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:40:57,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:40:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-19 13:40:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-19 13:40:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:40:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-19 13:40:57,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-19 13:40:57,002 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-19 13:40:57,003 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-19 13:40:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:40:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:40:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:40:57,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:40:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:40:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 13:40:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 13:40:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 13:40:57,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 13:40:57,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:40:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:40:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:40:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:40:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:40:57,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:40:57,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:40:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:40:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 13:40:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 13:40:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-19 13:40:57,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-19 13:40:57,006 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-19 13:40:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-19 13:40:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-19 13:40:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-19 13:40:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 13:40:57,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 13:40:57,007 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-19 13:40:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-19 13:40:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:40:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:40:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:40:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:40:57,008 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 13:40:57,008 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 13:40:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:40:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:40:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:40:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:40:57,009 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-19 13:40:57,009 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-19 13:40:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:40:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:40:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:40:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-19 13:40:57,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-19 13:40:57,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:40:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 13:40:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 13:40:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-19 13:40:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-19 13:40:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:40:57,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:40:57,011 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-19 13:40:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-19 13:40:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-19 13:40:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-19 13:40:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-19 13:40:57,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-19 13:40:57,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:40:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:40:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-19 13:40:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-19 13:40:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-19 13:40:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-19 13:40:57,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:40:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:40:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:40:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:40:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:40:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:40:57,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:40:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:40:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:40:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:40:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:40:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:40:57,015 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:40:57,015 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:40:58,346 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:40:58,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:41:07,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:42:13,079 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:42:13,205 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:42:13,234 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:42:13,234 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:42:13,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:13 BoogieIcfgContainer [2021-11-19 13:42:13,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:42:13,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:42:13,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:42:13,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:42:13,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:40:48" (1/3) ... [2021-11-19 13:42:13,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b0bf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:13, skipping insertion in model container [2021-11-19 13:42:13,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:40:55" (2/3) ... [2021-11-19 13:42:13,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b0bf29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:42:13, skipping insertion in model container [2021-11-19 13:42:13,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:42:13" (3/3) ... [2021-11-19 13:42:13,251 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 13:42:13,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:42:13,257 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-19 13:42:13,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:42:13,327 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:42:13,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-19 13:42:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 3025 states, 2127 states have (on average 1.3432063939821344) internal successors, (2857), 2197 states have internal predecessors, (2857), 759 states have call successors, (759), 138 states have call predecessors, (759), 137 states have return successors, (750), 735 states have call predecessors, (750), 750 states have call successors, (750) [2021-11-19 13:42:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-19 13:42:13,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:13,424 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:13,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:13,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:13,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1006170844, now seen corresponding path program 1 times [2021-11-19 13:42:13,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:13,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299393882] [2021-11-19 13:42:13,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:13,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:13,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:13,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:13,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:42:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:19,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:19,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:20,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 13:42:20,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 13:42:20,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:20,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299393882] [2021-11-19 13:42:20,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299393882] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:20,750 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:20,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:42:20,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570702751] [2021-11-19 13:42:20,757 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:20,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:42:20,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:42:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:20,828 INFO L87 Difference]: Start difference. First operand has 3025 states, 2127 states have (on average 1.3432063939821344) internal successors, (2857), 2197 states have internal predecessors, (2857), 759 states have call successors, (759), 138 states have call predecessors, (759), 137 states have return successors, (750), 735 states have call predecessors, (750), 750 states have call successors, (750) Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 13:42:23,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:42:36,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:36,899 INFO L93 Difference]: Finished difference Result 11769 states and 17206 transitions. [2021-11-19 13:42:36,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:36,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 214 [2021-11-19 13:42:36,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:37,019 INFO L225 Difference]: With dead ends: 11769 [2021-11-19 13:42:37,020 INFO L226 Difference]: Without dead ends: 8758 [2021-11-19 13:42:37,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:37,076 INFO L933 BasicCegarLoop]: 5769 mSDtfsCounter, 11211 mSDsluCounter, 6944 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 1448 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11211 SdHoareTripleChecker+Valid, 12713 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:37,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11211 Valid, 12713 Invalid, 2978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1448 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2021-11-19 13:42:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8758 states. [2021-11-19 13:42:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8758 to 8750. [2021-11-19 13:42:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8750 states, 6184 states have (on average 1.3407179818887451) internal successors, (8291), 6391 states have internal predecessors, (8291), 2159 states have call successors, (2159), 406 states have call predecessors, (2159), 405 states have return successors, (2156), 2111 states have call predecessors, (2156), 2156 states have call successors, (2156) [2021-11-19 13:42:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8750 states to 8750 states and 12606 transitions. [2021-11-19 13:42:37,916 INFO L78 Accepts]: Start accepts. Automaton has 8750 states and 12606 transitions. Word has length 214 [2021-11-19 13:42:37,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:37,918 INFO L470 AbstractCegarLoop]: Abstraction has 8750 states and 12606 transitions. [2021-11-19 13:42:37,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2021-11-19 13:42:37,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8750 states and 12606 transitions. [2021-11-19 13:42:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-19 13:42:37,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:37,942 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:38,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:38,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:38,166 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:38,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:38,167 INFO L85 PathProgramCache]: Analyzing trace with hash 870775367, now seen corresponding path program 1 times [2021-11-19 13:42:38,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:38,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422250848] [2021-11-19 13:42:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:38,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:38,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:38,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:42:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:43,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 4645 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:43,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-19 13:42:44,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-19 13:42:44,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:44,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422250848] [2021-11-19 13:42:44,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422250848] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:44,949 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:44,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:42:44,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760733673] [2021-11-19 13:42:44,949 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:44,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:42:44,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:44,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:42:44,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:42:44,953 INFO L87 Difference]: Start difference. First operand 8750 states and 12606 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:42:47,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:42:48,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:48,561 INFO L93 Difference]: Finished difference Result 24092 states and 34653 transitions. [2021-11-19 13:42:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:42:48,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 248 [2021-11-19 13:42:48,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:48,721 INFO L225 Difference]: With dead ends: 24092 [2021-11-19 13:42:48,722 INFO L226 Difference]: Without dead ends: 15381 [2021-11-19 13:42:48,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:42:48,774 INFO L933 BasicCegarLoop]: 5106 mSDtfsCounter, 4141 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4141 SdHoareTripleChecker+Valid, 9385 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:48,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4141 Valid, 9385 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-19 13:42:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15381 states. [2021-11-19 13:42:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15381 to 15370. [2021-11-19 13:42:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15370 states, 10867 states have (on average 1.3388239624551395) internal successors, (14549), 11233 states have internal predecessors, (14549), 3759 states have call successors, (3759), 743 states have call predecessors, (3759), 742 states have return successors, (3756), 3672 states have call predecessors, (3756), 3756 states have call successors, (3756) [2021-11-19 13:42:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15370 states to 15370 states and 22064 transitions. [2021-11-19 13:42:49,707 INFO L78 Accepts]: Start accepts. Automaton has 15370 states and 22064 transitions. Word has length 248 [2021-11-19 13:42:49,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:49,709 INFO L470 AbstractCegarLoop]: Abstraction has 15370 states and 22064 transitions. [2021-11-19 13:42:49,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 13:42:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 15370 states and 22064 transitions. [2021-11-19 13:42:49,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-19 13:42:49,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:49,720 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:49,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:49,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:49,937 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:42:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:49,938 INFO L85 PathProgramCache]: Analyzing trace with hash -582067828, now seen corresponding path program 1 times [2021-11-19 13:42:49,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:49,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1106649291] [2021-11-19 13:42:49,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:49,945 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:49,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:49,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:49,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:42:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:56,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 4639 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:42:56,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 13:42:56,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-19 13:42:57,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:57,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1106649291] [2021-11-19 13:42:57,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1106649291] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:57,291 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:57,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:42:57,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579359421] [2021-11-19 13:42:57,292 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:57,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:42:57,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:57,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:42:57,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:42:57,293 INFO L87 Difference]: Start difference. First operand 15370 states and 22064 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 13:42:59,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:43:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:11,365 INFO L93 Difference]: Finished difference Result 53949 states and 77111 transitions. [2021-11-19 13:43:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:11,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 239 [2021-11-19 13:43:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:11,804 INFO L225 Difference]: With dead ends: 53949 [2021-11-19 13:43:11,804 INFO L226 Difference]: Without dead ends: 38618 [2021-11-19 13:43:11,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:43:11,901 INFO L933 BasicCegarLoop]: 6209 mSDtfsCounter, 10528 mSDsluCounter, 6852 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1366 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10528 SdHoareTripleChecker+Valid, 13061 SdHoareTripleChecker+Invalid, 2934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1366 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:11,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10528 Valid, 13061 Invalid, 2934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1366 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-19 13:43:11,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38618 states. [2021-11-19 13:43:13,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38618 to 38592. [2021-11-19 13:43:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38592 states, 27091 states have (on average 1.329666678970876) internal successors, (36022), 28030 states have internal predecessors, (36022), 9485 states have call successors, (9485), 2015 states have call predecessors, (9485), 2014 states have return successors, (9490), 9246 states have call predecessors, (9490), 9482 states have call successors, (9490) [2021-11-19 13:43:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38592 states to 38592 states and 54997 transitions. [2021-11-19 13:43:14,469 INFO L78 Accepts]: Start accepts. Automaton has 38592 states and 54997 transitions. Word has length 239 [2021-11-19 13:43:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:14,470 INFO L470 AbstractCegarLoop]: Abstraction has 38592 states and 54997 transitions. [2021-11-19 13:43:14,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 13:43:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 38592 states and 54997 transitions. [2021-11-19 13:43:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-19 13:43:14,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:14,508 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:14,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:14,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:14,708 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:14,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1846381157, now seen corresponding path program 1 times [2021-11-19 13:43:14,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:14,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065535036] [2021-11-19 13:43:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:14,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:14,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:14,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:43:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:20,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 4718 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 13:43:20,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2021-11-19 13:43:21,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:22,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2021-11-19 13:43:22,223 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:22,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065535036] [2021-11-19 13:43:22,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065535036] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:43:22,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:43:22,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-19 13:43:22,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563878881] [2021-11-19 13:43:22,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:22,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:43:22,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:22,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:43:22,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:43:22,227 INFO L87 Difference]: Start difference. First operand 38592 states and 54997 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 13:43:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:27,859 INFO L93 Difference]: Finished difference Result 91977 states and 132652 transitions. [2021-11-19 13:43:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:43:27,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 277 [2021-11-19 13:43:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:28,164 INFO L225 Difference]: With dead ends: 91977 [2021-11-19 13:43:28,164 INFO L226 Difference]: Without dead ends: 55120 [2021-11-19 13:43:28,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:43:28,454 INFO L933 BasicCegarLoop]: 5686 mSDtfsCounter, 4036 mSDsluCounter, 31777 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 37463 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:28,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4231 Valid, 37463 Invalid, 1469 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [789 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-19 13:43:28,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55120 states. [2021-11-19 13:43:31,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55120 to 38612. [2021-11-19 13:43:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38612 states, 27107 states have (on average 1.3293983103995277) internal successors, (36036), 28046 states have internal predecessors, (36036), 9489 states have call successors, (9489), 2015 states have call predecessors, (9489), 2014 states have return successors, (9494), 9250 states have call predecessors, (9494), 9486 states have call successors, (9494) [2021-11-19 13:43:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38612 states to 38612 states and 55019 transitions. [2021-11-19 13:43:31,500 INFO L78 Accepts]: Start accepts. Automaton has 38612 states and 55019 transitions. Word has length 277 [2021-11-19 13:43:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:31,501 INFO L470 AbstractCegarLoop]: Abstraction has 38612 states and 55019 transitions. [2021-11-19 13:43:31,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-19 13:43:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 38612 states and 55019 transitions. [2021-11-19 13:43:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-19 13:43:31,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:31,520 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:31,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 13:43:31,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:31,733 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:43:31,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:31,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1493292775, now seen corresponding path program 1 times [2021-11-19 13:43:31,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:31,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728158621] [2021-11-19 13:43:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:31,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:31,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:31,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:31,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:43:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:37,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:43:37,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:39,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2021-11-19 13:43:39,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-11-19 13:43:39,998 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:39,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728158621] [2021-11-19 13:43:39,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728158621] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:39,998 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:39,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-19 13:43:39,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698629450] [2021-11-19 13:43:39,999 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:40,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:43:40,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:40,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:43:40,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:43:40,001 INFO L87 Difference]: Start difference. First operand 38612 states and 55019 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 13:43:42,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:44:09,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:09,738 INFO L93 Difference]: Finished difference Result 140432 states and 203384 transitions. [2021-11-19 13:44:09,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:44:09,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 277 [2021-11-19 13:44:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:10,565 INFO L225 Difference]: With dead ends: 140432 [2021-11-19 13:44:10,565 INFO L226 Difference]: Without dead ends: 103555 [2021-11-19 13:44:10,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:44:11,005 INFO L933 BasicCegarLoop]: 7056 mSDtfsCounter, 13566 mSDsluCounter, 34900 mSDsCounter, 0 mSdLazyCounter, 3202 mSolverCounterSat, 2616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13769 SdHoareTripleChecker+Valid, 41956 SdHoareTripleChecker+Invalid, 5819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2616 IncrementalHoareTripleChecker+Valid, 3202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:11,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13769 Valid, 41956 Invalid, 5819 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2616 Valid, 3202 Invalid, 1 Unknown, 0 Unchecked, 24.5s Time] [2021-11-19 13:44:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103555 states. [2021-11-19 13:44:15,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103555 to 70260. [2021-11-19 13:44:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70260 states, 49300 states have (on average 1.3288235294117647) internal successors, (65511), 51036 states have internal predecessors, (65511), 17329 states have call successors, (17329), 3630 states have call predecessors, (17329), 3629 states have return successors, (17342), 16883 states have call predecessors, (17342), 17326 states have call successors, (17342) [2021-11-19 13:44:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70260 states to 70260 states and 100182 transitions. [2021-11-19 13:44:16,476 INFO L78 Accepts]: Start accepts. Automaton has 70260 states and 100182 transitions. Word has length 277 [2021-11-19 13:44:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:44:16,477 INFO L470 AbstractCegarLoop]: Abstraction has 70260 states and 100182 transitions. [2021-11-19 13:44:16,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-19 13:44:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 70260 states and 100182 transitions. [2021-11-19 13:44:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-19 13:44:16,495 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:16,495 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:16,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:44:16,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:44:16,709 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 13:44:16,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:16,710 INFO L85 PathProgramCache]: Analyzing trace with hash -873401819, now seen corresponding path program 1 times [2021-11-19 13:44:16,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:16,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962899070] [2021-11-19 13:44:16,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:16,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:16,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:16,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e44a0c8-c697-4c74-bae5-a96d74f44d74/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:44:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:22,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 4716 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:44:22,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:25,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2021-11-19 13:44:25,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-11-19 13:44:26,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:26,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962899070] [2021-11-19 13:44:26,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962899070] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:26,641 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:26,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 13:44:26,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633107203] [2021-11-19 13:44:26,641 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:26,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:44:26,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:26,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:44:26,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:44:26,643 INFO L87 Difference]: Start difference. First operand 70260 states and 100182 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2021-11-19 13:44:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:42,390 INFO L93 Difference]: Finished difference Result 273467 states and 390069 transitions. [2021-11-19 13:44:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:44:42,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 277 [2021-11-19 13:44:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:44,052 INFO L225 Difference]: With dead ends: 273467 [2021-11-19 13:44:44,053 INFO L226 Difference]: Without dead ends: 205586 [2021-11-19 13:44:44,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:44:44,322 INFO L933 BasicCegarLoop]: 6307 mSDtfsCounter, 8440 mSDsluCounter, 11207 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8440 SdHoareTripleChecker+Valid, 17514 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:44,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8440 Valid, 17514 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-11-19 13:44:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205586 states.