./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/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_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:30:18,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:30:18,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:30:18,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:30:18,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:30:18,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:30:18,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:30:18,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:30:18,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:30:18,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:30:18,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:30:18,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:30:18,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:30:18,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:30:18,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:30:18,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:30:18,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:30:18,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:30:18,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:30:18,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:30:18,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:30:18,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:30:18,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:30:18,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:30:18,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:30:18,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:30:18,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:30:18,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:30:18,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:30:18,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:30:18,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:30:18,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:30:18,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:30:18,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:30:18,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:30:18,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:30:18,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:30:18,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:30:18,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:30:18,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:30:18,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:30:18,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:30:18,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:30:18,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:30:18,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:30:18,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:30:18,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:30:18,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:30:18,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:30:18,961 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:30:18,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:30:18,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:30:18,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:30:18,962 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:30:18,962 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:30:18,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:30:18,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:30:18,963 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:30:18,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:30:18,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:30:18,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:30:18,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:30:18,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:30:18,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:30:18,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:30:18,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:30:18,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:30:18,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:30:18,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:30:18,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:30:18,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:30:18,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:30:18,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:30:18,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:30:18,969 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:30:18,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:30:18,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:30:18,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:30:18,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:30:18,971 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_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2021-11-13 02:30:19,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:30:19,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:30:19,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:30:19,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:30:19,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:30:19,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-13 02:30:19,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/53ca73bce/971cdff5d09d4137bdf64dbf5c85561f/FLAG7fd918fe5 [2021-11-13 02:30:20,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:30:20,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-13 02:30:20,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/53ca73bce/971cdff5d09d4137bdf64dbf5c85561f/FLAG7fd918fe5 [2021-11-13 02:30:20,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/53ca73bce/971cdff5d09d4137bdf64dbf5c85561f [2021-11-13 02:30:20,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:30:20,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:30:20,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:20,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:30:20,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:30:20,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:20" (1/1) ... [2021-11-13 02:30:20,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb5fa8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:20, skipping insertion in model container [2021-11-13 02:30:20,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:20" (1/1) ... [2021-11-13 02:30:20,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:30:21,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:30:23,825 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,834 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,865 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,877 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,953 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,955 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,957 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:23,959 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,121 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,177 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,192 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,195 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,218 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,285 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,314 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,322 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,346 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,357 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,365 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,367 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,374 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,377 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,454 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,455 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,473 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,477 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,478 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,480 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,503 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,505 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:24,506 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:30:25,598 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-13 02:30:25,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-13 02:30:25,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-13 02:30:25,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-13 02:30:25,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:25,793 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) [2021-11-13 02:30:25,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e722ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:25, skipping insertion in model container [2021-11-13 02:30:25,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:25,795 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:30:25,798 INFO L158 Benchmark]: Toolchain (without parser) took 4905.08ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 52.5MB in the beginning and 89.2MB in the end (delta: -36.7MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-13 02:30:25,799 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 56.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:30:25,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4900.60ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 89.2MB in the end (delta: -37.0MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2021-11-13 02:30:25,804 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 100.7MB. Free memory was 57.0MB in the beginning and 56.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4900.60ms. Allocated memory was 100.7MB in the beginning and 151.0MB in the end (delta: 50.3MB). Free memory was 52.2MB in the beginning and 89.2MB in the end (delta: -37.0MB). Peak memory consumption was 58.9MB. 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_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/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_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:30:28,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:30:28,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:30:28,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:30:28,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:30:28,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:30:28,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:30:28,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:30:28,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:30:28,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:30:28,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:30:28,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:30:28,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:30:28,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:30:28,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:30:28,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:30:28,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:30:28,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:30:28,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:30:28,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:30:28,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:30:28,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:30:28,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:30:28,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:30:28,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:30:28,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:30:28,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:30:28,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:30:28,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:30:28,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:30:28,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:30:28,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:30:28,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:30:28,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:30:28,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:30:28,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:30:28,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:30:28,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:30:28,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:30:28,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:30:28,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:30:28,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:30:28,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:30:28,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:30:28,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:30:28,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:30:28,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:30:28,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:30:28,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:30:28,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:30:28,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:30:28,491 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:30:28,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:30:28,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:30:28,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:30:28,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:30:28,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:30:28,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:30:28,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:30:28,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:30:28,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:30:28,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:30:28,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:30:28,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:30:28,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:30:28,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:30:28,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:30:28,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:30:28,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:30:28,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:30:28,496 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:30:28,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:30:28,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:30:28,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:30:28,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:30:28,497 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_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 079fce486bad33abab391a672044e04aae9233622e9697c4aac88598201cd13f [2021-11-13 02:30:28,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:30:29,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:30:29,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:30:29,008 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:30:29,009 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:30:29,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-13 02:30:29,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/011e0690f/d4d0118a1e714260a5f19c2658619000/FLAG34aa20125 [2021-11-13 02:30:30,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:30:30,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-13 02:30:30,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/011e0690f/d4d0118a1e714260a5f19c2658619000/FLAG34aa20125 [2021-11-13 02:30:30,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/data/011e0690f/d4d0118a1e714260a5f19c2658619000 [2021-11-13 02:30:30,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:30:30,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:30:30,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:30,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:30:30,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:30:30,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:30" (1/1) ... [2021-11-13 02:30:30,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58caaab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:30, skipping insertion in model container [2021-11-13 02:30:30,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:30:30" (1/1) ... [2021-11-13 02:30:30,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:30:30,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:30:35,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-13 02:30:35,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-13 02:30:35,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-13 02:30:35,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-13 02:30:35,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:35,419 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:30:35,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:30:36,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-13 02:30:36,106 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-13 02:30:36,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-13 02:30:36,107 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-13 02:30:36,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:36,217 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:30:36,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423587,423600] [2021-11-13 02:30:36,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423734,423747] [2021-11-13 02:30:36,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[423873,423886] [2021-11-13 02:30:36,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i[424031,424044] [2021-11-13 02:30:36,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:30:37,420 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:30:37,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37 WrapperNode [2021-11-13 02:30:37,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:30:37,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:30:37,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:30:37,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:30:37,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:37,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:30:38,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:30:38,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:30:38,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:30:38,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:30:38,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:30:38,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:30:38,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:30:38,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (1/1) ... [2021-11-13 02:30:38,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:30:38,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:30:38,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:30:38,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:30:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 02:30:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 02:30:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:30:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:30:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 02:30:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 02:30:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-13 02:30:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-13 02:30:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-13 02:30:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-13 02:30:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 02:30:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 02:30:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:30:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:30:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 02:30:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 02:30:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-13 02:30:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-13 02:30:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-13 02:30:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-13 02:30:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-13 02:30:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-13 02:30:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-13 02:30:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-13 02:30:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:30:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:30:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-13 02:30:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-13 02:30:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-13 02:30:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-13 02:30:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-13 02:30:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-13 02:30:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 02:30:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 02:30:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 02:30:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 02:30:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:30:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:30:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:30:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-13 02:30:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-13 02:30:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-13 02:30:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 02:30:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 02:30:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:30:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:30:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 02:30:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 02:30:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 02:30:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 02:30:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 02:30:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 02:30:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-13 02:30:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-13 02:30:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 02:30:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 02:30:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:30:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:30:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-13 02:30:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-13 02:30:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 02:30:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 02:30:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 02:30:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 02:30:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:30:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:30:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:30:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:30:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-13 02:30:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-13 02:30:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 02:30:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 02:30:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:30:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:30:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 02:30:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 02:30:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 02:30:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 02:30:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-13 02:30:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-13 02:30:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 02:30:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 02:30:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-13 02:30:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-13 02:30:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:30:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:30:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 02:30:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 02:30:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:30:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:30:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:30:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:30:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-13 02:30:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-13 02:30:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-13 02:30:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-13 02:30:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:30:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:30:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:30:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:30:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:30:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:30:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:30:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:30:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:30:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:30:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-13 02:30:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-13 02:30:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-13 02:30:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-13 02:30:38,813 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-13 02:30:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-13 02:30:38,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 02:30:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 02:30:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-13 02:30:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-13 02:30:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:30:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:30:38,821 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-13 02:30:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-13 02:30:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:30:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:30:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:30:38,822 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-13 02:30:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-13 02:30:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 02:30:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 02:30:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 02:30:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 02:30:38,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 02:30:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 02:30:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 02:30:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 02:30:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:30:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:30:38,824 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:30:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:30:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:30:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:30:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:30:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-13 02:30:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-13 02:30:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:30:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:30:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:30:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-13 02:30:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-13 02:30:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:30:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:30:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-13 02:30:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-13 02:30:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 02:30:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 02:30:38,827 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-13 02:30:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-13 02:30:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-13 02:30:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-13 02:30:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-13 02:30:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-13 02:30:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-13 02:30:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-13 02:30:38,828 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-13 02:30:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-13 02:30:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:30:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:30:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 02:30:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 02:30:38,829 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-13 02:30:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-13 02:30:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:30:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:30:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-13 02:30:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-13 02:30:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 02:30:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 02:30:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-13 02:30:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-13 02:30:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:30:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-13 02:30:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-13 02:30:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-13 02:30:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-13 02:30:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-13 02:30:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-13 02:30:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-13 02:30:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-13 02:30:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:30:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:30:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 02:30:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 02:30:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:30:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:30:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-13 02:30:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-13 02:30:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:30:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:30:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:30:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:30:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:30:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:30:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:30:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:30:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-13 02:30:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-13 02:30:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 02:30:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 02:30:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:30:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:30:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-13 02:30:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-13 02:30:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 02:30:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 02:30:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-13 02:30:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-13 02:30:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:30:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-13 02:30:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-13 02:30:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 02:30:38,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 02:30:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-11-13 02:30:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-11-13 02:30:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:30:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-13 02:30:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-13 02:30:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-13 02:30:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-13 02:30:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:30:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:30:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:30:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:30:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:30:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-13 02:30:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-13 02:30:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 02:30:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 02:30:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-13 02:30:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-13 02:30:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:30:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:30:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:30:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:30:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 02:30:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 02:30:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-13 02:30:38,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-13 02:30:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-13 02:30:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-13 02:30:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-13 02:30:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-13 02:30:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-13 02:30:38,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-13 02:30:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 02:30:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 02:30:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-13 02:30:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-13 02:30:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:30:38,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:30:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:30:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:30:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 02:30:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 02:30:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:30:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:30:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:30:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:30:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-13 02:30:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-13 02:30:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:30:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:30:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:30:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-13 02:30:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-13 02:30:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:30:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-13 02:30:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-13 02:30:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-13 02:30:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-13 02:30:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:30:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:30:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-13 02:30:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-13 02:30:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-13 02:30:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-13 02:30:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-13 02:30:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-13 02:30:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 02:30:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 02:30:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-13 02:30:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-13 02:30:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-13 02:30:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-13 02:30:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:30:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:30:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 02:30:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 02:30:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-13 02:30:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-13 02:30:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 02:30:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 02:30:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 02:30:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 02:30:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:30:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:30:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 02:30:38,859 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 02:30:48,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:32:36,532 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:32:36,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:32:36,730 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:32:36,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:36 BoogieIcfgContainer [2021-11-13 02:32:36,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:32:36,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:32:36,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:32:36,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:32:36,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:30:30" (1/3) ... [2021-11-13 02:32:36,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d015ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:36, skipping insertion in model container [2021-11-13 02:32:36,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:30:37" (2/3) ... [2021-11-13 02:32:36,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d015ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:32:36, skipping insertion in model container [2021-11-13 02:32:36,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:32:36" (3/3) ... [2021-11-13 02:32:36,748 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-13 02:32:36,755 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:32:36,755 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 02:32:36,831 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:32:36,837 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 [2021-11-13 02:32:36,838 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 02:32:36,936 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) [2021-11-13 02:32:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-13 02:32:36,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:36,974 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] [2021-11-13 02:32:36,975 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] === [2021-11-13 02:32:36,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:36,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1006170844, now seen corresponding path program 1 times [2021-11-13 02:32:37,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:37,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809829504] [2021-11-13 02:32:37,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:37,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:37,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:33:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:08,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 5277 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:33:08,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-13 02:33:09,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-13 02:33:10,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:10,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809829504] [2021-11-13 02:33:10,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809829504] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:10,228 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:10,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:33:10,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511836952] [2021-11-13 02:33:10,232 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:10,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:33:10,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:10,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:33:10,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:33:10,300 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) [2021-11-13 02:33:13,359 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 [] [2021-11-13 02:33:28,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:28,954 INFO L93 Difference]: Finished difference Result 11769 states and 17206 transitions. [2021-11-13 02:33:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:28,965 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 [2021-11-13 02:33:28,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:29,112 INFO L225 Difference]: With dead ends: 11769 [2021-11-13 02:33:29,112 INFO L226 Difference]: Without dead ends: 8758 [2021-11-13 02:33:29,158 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 [2021-11-13 02:33:29,167 INFO L933 BasicCegarLoop]: 5769 mSDtfsCounter, 11211 mSDsluCounter, 6944 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 1448 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15565.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11211 SdHoareTripleChecker+Valid, 12713 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 113.73ms SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17401.97ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:29,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11211 Valid, 12713 Invalid, 2978 Unknown, 0 Unchecked, 113.73ms Time], IncrementalHoareTripleChecker [1448 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 17401.97ms Time] [2021-11-13 02:33:29,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8758 states. [2021-11-13 02:33:29,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8758 to 8750. [2021-11-13 02:33:30,004 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) [2021-11-13 02:33:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8750 states to 8750 states and 12606 transitions. [2021-11-13 02:33:30,131 INFO L78 Accepts]: Start accepts. Automaton has 8750 states and 12606 transitions. Word has length 214 [2021-11-13 02:33:30,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:30,137 INFO L470 AbstractCegarLoop]: Abstraction has 8750 states and 12606 transitions. [2021-11-13 02:33:30,137 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) [2021-11-13 02:33:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8750 states and 12606 transitions. [2021-11-13 02:33:30,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-13 02:33:30,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:30,159 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] [2021-11-13 02:33:30,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:30,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:30,376 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] === [2021-11-13 02:33:30,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:30,377 INFO L85 PathProgramCache]: Analyzing trace with hash 870775367, now seen corresponding path program 1 times [2021-11-13 02:33:30,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:30,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640500668] [2021-11-13 02:33:30,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:30,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:30,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:30,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:30,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:34:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:04,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 5340 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:34:04,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2021-11-13 02:34:05,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:34:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-11-13 02:34:06,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:34:06,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640500668] [2021-11-13 02:34:06,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640500668] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:34:06,053 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:34:06,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 02:34:06,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781805182] [2021-11-13 02:34:06,056 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:34:06,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:34:06,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:34:06,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:34:06,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:34:06,060 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) [2021-11-13 02:34:08,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:34:10,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:34:10,255 INFO L93 Difference]: Finished difference Result 24092 states and 34653 transitions. [2021-11-13 02:34:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:34:10,256 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 [2021-11-13 02:34:10,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:34:10,456 INFO L225 Difference]: With dead ends: 24092 [2021-11-13 02:34:10,456 INFO L226 Difference]: Without dead ends: 15381 [2021-11-13 02:34:10,535 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 [2021-11-13 02:34:10,536 INFO L933 BasicCegarLoop]: 5106 mSDtfsCounter, 4141 mSDsluCounter, 4279 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3144.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4141 SdHoareTripleChecker+Valid, 9385 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.12ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3346.45ms IncrementalHoareTripleChecker+Time [2021-11-13 02:34:10,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4141 Valid, 9385 Invalid, 62 Unknown, 0 Unchecked, 30.12ms Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 3346.45ms Time] [2021-11-13 02:34:10,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15381 states. [2021-11-13 02:34:11,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15381 to 15370. [2021-11-13 02:34:11,555 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) [2021-11-13 02:34:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15370 states to 15370 states and 22064 transitions. [2021-11-13 02:34:11,695 INFO L78 Accepts]: Start accepts. Automaton has 15370 states and 22064 transitions. Word has length 248 [2021-11-13 02:34:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:34:11,698 INFO L470 AbstractCegarLoop]: Abstraction has 15370 states and 22064 transitions. [2021-11-13 02:34:11,699 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) [2021-11-13 02:34:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15370 states and 22064 transitions. [2021-11-13 02:34:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-13 02:34:11,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:34:11,712 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] [2021-11-13 02:34:11,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:34:11,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:34:11,913 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] === [2021-11-13 02:34:11,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:34:11,914 INFO L85 PathProgramCache]: Analyzing trace with hash -582067828, now seen corresponding path program 1 times [2021-11-13 02:34:11,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:34:11,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195049953] [2021-11-13 02:34:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:34:11,936 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:34:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:34:11,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:34:11,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:34:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:45,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 5334 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:34:45,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-13 02:34:46,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:34:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-11-13 02:34:46,804 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:34:46,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195049953] [2021-11-13 02:34:46,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195049953] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:34:46,805 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:34:46,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:34:46,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132558665] [2021-11-13 02:34:46,806 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:34:46,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:34:46,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:34:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:34:46,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:34:46,808 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) [2021-11-13 02:34:49,688 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 [] [2021-11-13 02:35:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:04,896 INFO L93 Difference]: Finished difference Result 53949 states and 77111 transitions. [2021-11-13 02:35:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:04,897 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 [2021-11-13 02:35:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:05,245 INFO L225 Difference]: With dead ends: 53949 [2021-11-13 02:35:05,246 INFO L226 Difference]: Without dead ends: 38618 [2021-11-13 02:35:05,383 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 [2021-11-13 02:35:05,388 INFO L933 BasicCegarLoop]: 6209 mSDtfsCounter, 10528 mSDsluCounter, 6852 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1366 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15090.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10528 SdHoareTripleChecker+Valid, 13061 SdHoareTripleChecker+Invalid, 2934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.49ms SdHoareTripleChecker+Time, 1366 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16711.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:05,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10528 Valid, 13061 Invalid, 2934 Unknown, 0 Unchecked, 62.49ms Time], IncrementalHoareTripleChecker [1366 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 16711.81ms Time] [2021-11-13 02:35:05,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38618 states. [2021-11-13 02:35:07,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38618 to 38592. [2021-11-13 02:35:08,054 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) [2021-11-13 02:35:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38592 states to 38592 states and 54997 transitions. [2021-11-13 02:35:08,291 INFO L78 Accepts]: Start accepts. Automaton has 38592 states and 54997 transitions. Word has length 239 [2021-11-13 02:35:08,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:08,292 INFO L470 AbstractCegarLoop]: Abstraction has 38592 states and 54997 transitions. [2021-11-13 02:35:08,292 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) [2021-11-13 02:35:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38592 states and 54997 transitions. [2021-11-13 02:35:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-13 02:35:08,580 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:08,581 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] [2021-11-13 02:35:08,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:08,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:08,782 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] === [2021-11-13 02:35:08,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:08,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1846381157, now seen corresponding path program 1 times [2021-11-13 02:35:08,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:08,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617332173] [2021-11-13 02:35:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:08,803 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:08,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:08,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:08,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:35:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:40,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 5413 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:35:40,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 1337 trivial. 0 not checked. [2021-11-13 02:35:41,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:42,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 1461 trivial. 0 not checked. [2021-11-13 02:35:42,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:42,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617332173] [2021-11-13 02:35:42,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617332173] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:35:42,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 02:35:42,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-13 02:35:42,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686417957] [2021-11-13 02:35:42,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:42,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:35:42,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:42,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:35:42,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:35:42,835 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) [2021-11-13 02:35:49,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:49,336 INFO L93 Difference]: Finished difference Result 91977 states and 132652 transitions. [2021-11-13 02:35:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:35:49,337 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 [2021-11-13 02:35:49,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:49,721 INFO L225 Difference]: With dead ends: 91977 [2021-11-13 02:35:49,721 INFO L226 Difference]: Without dead ends: 55120 [2021-11-13 02:35:50,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-13 02:35:50,006 INFO L933 BasicCegarLoop]: 5686 mSDtfsCounter, 4036 mSDsluCounter, 31777 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3752.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4231 SdHoareTripleChecker+Valid, 37463 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 98.09ms SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4063.22ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:50,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4231 Valid, 37463 Invalid, 1469 Unknown, 0 Unchecked, 98.09ms Time], IncrementalHoareTripleChecker [789 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 4063.22ms Time] [2021-11-13 02:35:50,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55120 states. [2021-11-13 02:35:53,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55120 to 38612. [2021-11-13 02:35:53,132 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) [2021-11-13 02:35:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38612 states to 38612 states and 55019 transitions. [2021-11-13 02:35:53,360 INFO L78 Accepts]: Start accepts. Automaton has 38612 states and 55019 transitions. Word has length 277 [2021-11-13 02:35:53,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:53,362 INFO L470 AbstractCegarLoop]: Abstraction has 38612 states and 55019 transitions. [2021-11-13 02:35:53,362 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) [2021-11-13 02:35:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38612 states and 55019 transitions. [2021-11-13 02:35:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-13 02:35:53,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:53,380 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] [2021-11-13 02:35:53,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:53,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:53,603 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] === [2021-11-13 02:35:53,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:53,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1493292775, now seen corresponding path program 1 times [2021-11-13 02:35:53,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:53,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304279096] [2021-11-13 02:35:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:53,622 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:53,623 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:53,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:36:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:24,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 5412 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:36:24,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2021-11-13 02:36:27,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:28,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-11-13 02:36:28,343 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:28,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304279096] [2021-11-13 02:36:28,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304279096] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:28,344 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:28,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2021-11-13 02:36:28,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537855388] [2021-11-13 02:36:28,345 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:28,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 02:36:28,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:28,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 02:36:28,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:36:28,347 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) [2021-11-13 02:36:31,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:03,825 INFO L93 Difference]: Finished difference Result 140432 states and 203384 transitions. [2021-11-13 02:37:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 02:37:03,826 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 [2021-11-13 02:37:03,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:04,936 INFO L225 Difference]: With dead ends: 140432 [2021-11-13 02:37:04,936 INFO L226 Difference]: Without dead ends: 103555 [2021-11-13 02:37:05,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-11-13 02:37:05,264 INFO L933 BasicCegarLoop]: 7056 mSDtfsCounter, 13566 mSDsluCounter, 34900 mSDsCounter, 0 mSdLazyCounter, 3202 mSolverCounterSat, 2616 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27386.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13769 SdHoareTripleChecker+Valid, 41956 SdHoareTripleChecker+Invalid, 5819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 122.14ms SdHoareTripleChecker+Time, 2616 IncrementalHoareTripleChecker+Valid, 3202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30027.44ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:05,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13769 Valid, 41956 Invalid, 5819 Unknown, 0 Unchecked, 122.14ms Time], IncrementalHoareTripleChecker [2616 Valid, 3202 Invalid, 1 Unknown, 0 Unchecked, 30027.44ms Time] [2021-11-13 02:37:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103555 states. [2021-11-13 02:37:11,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103555 to 70260. [2021-11-13 02:37:11,551 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) [2021-11-13 02:37:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70260 states to 70260 states and 100182 transitions. [2021-11-13 02:37:12,070 INFO L78 Accepts]: Start accepts. Automaton has 70260 states and 100182 transitions. Word has length 277 [2021-11-13 02:37:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:12,072 INFO L470 AbstractCegarLoop]: Abstraction has 70260 states and 100182 transitions. [2021-11-13 02:37:12,072 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) [2021-11-13 02:37:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70260 states and 100182 transitions. [2021-11-13 02:37:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-13 02:37:12,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:12,092 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] [2021-11-13 02:37:12,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:12,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:12,314 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] === [2021-11-13 02:37:12,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash -873401819, now seen corresponding path program 1 times [2021-11-13 02:37:12,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:12,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555354859] [2021-11-13 02:37:12,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:12,336 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:12,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:12,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5831aec-5acc-4a4a-ad57-f9f22cf6357f/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:37:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:46,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 5411 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:37:46,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:51,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2021-11-13 02:37:51,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2021-11-13 02:37:53,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:53,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555354859] [2021-11-13 02:37:53,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555354859] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:53,123 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:53,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 02:37:53,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938269818] [2021-11-13 02:37:53,124 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:53,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:37:53,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:53,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:37:53,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:37:53,126 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) [2021-11-13 02:38:13,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:13,109 INFO L93 Difference]: Finished difference Result 273467 states and 390069 transitions. [2021-11-13 02:38:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:13,111 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 [2021-11-13 02:38:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:14,851 INFO L225 Difference]: With dead ends: 273467 [2021-11-13 02:38:14,852 INFO L226 Difference]: Without dead ends: 205586 [2021-11-13 02:38:15,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 550 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:38:15,648 INFO L933 BasicCegarLoop]: 6307 mSDtfsCounter, 8440 mSDsluCounter, 11207 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8956.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8440 SdHoareTripleChecker+Valid, 17514 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.19ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9954.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:15,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8440 Valid, 17514 Invalid, 1515 Unknown, 0 Unchecked, 46.19ms Time], IncrementalHoareTripleChecker [28 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 9954.12ms Time] [2021-11-13 02:38:15,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205586 states.