./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-intel-ixgbevf-ixgbevf.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_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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-intel-ixgbevf-ixgbevf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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_978baa4b-5160-4181-94b3-0f9bc93d8778/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 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:17,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:17,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:17,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:17,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:17,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:17,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:17,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:17,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:17,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:17,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:17,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:17,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:17,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:17,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:17,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:17,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:17,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:17,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:17,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:17,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:17,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:17,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:17,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:17,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:17,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:17,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:17,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:17,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:17,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:17,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:17,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:17,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:17,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:17,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:17,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:17,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:17,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:17,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:17,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:17,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:17,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:35:17,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:17,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:17,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:17,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:17,322 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:17,322 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:17,322 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:17,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:35:17,323 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:17,323 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:17,323 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:35:17,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:35:17,324 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:17,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:35:17,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:35:17,325 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:35:17,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:17,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:35:17,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:17,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:17,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:17,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:17,328 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:17,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:17,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:17,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:17,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:17,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:17,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:17,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:17,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:17,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:17,331 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:35:17,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:35:17,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:17,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:17,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:17,333 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_978baa4b-5160-4181-94b3-0f9bc93d8778/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2021-11-13 02:35:17,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:17,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:17,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:17,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:17,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:17,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-13 02:35:17,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/8133979a4/517e68bc896442b6af9c09de46ef41f8/FLAG29d1974ce [2021-11-13 02:35:18,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:18,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-13 02:35:18,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/8133979a4/517e68bc896442b6af9c09de46ef41f8/FLAG29d1974ce [2021-11-13 02:35:19,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/8133979a4/517e68bc896442b6af9c09de46ef41f8 [2021-11-13 02:35:19,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:19,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:19,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:19,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:19,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:19,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:19" (1/1) ... [2021-11-13 02:35:19,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d26813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:19, skipping insertion in model container [2021-11-13 02:35:19,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:19" (1/1) ... [2021-11-13 02:35:19,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:19,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:20,182 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 02:35:20,399 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 02:35:20,401 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 02:35:23,300 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 02:35:23,649 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 02:35:23,662 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 02:35:23,900 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 02:35:23,901 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 02:35:24,119 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 02:35:24,126 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 02:35:25,339 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2021-11-13 02:35:25,342 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2021-11-13 02:35:25,343 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2021-11-13 02:35:25,344 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2021-11-13 02:35:25,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:25,466 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 02:35:25,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@480ccd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:25, skipping insertion in model container [2021-11-13 02:35:25,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:25,468 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:35:25,473 INFO L158 Benchmark]: Toolchain (without parser) took 6316.80ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 66.3MB in the beginning and 92.0MB in the end (delta: -25.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2021-11-13 02:35:25,474 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:35:25,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6307.96ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 92.0MB in the end (delta: -25.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2021-11-13 02:35:25,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6307.96ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 66.1MB in the beginning and 92.0MB in the end (delta: -25.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6298]: 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_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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-intel-ixgbevf-ixgbevf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/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_978baa4b-5160-4181-94b3-0f9bc93d8778/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 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:28,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:28,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:28,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:28,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:28,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:28,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:28,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:28,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:28,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:28,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:28,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:28,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:28,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:28,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:28,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:28,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:28,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:28,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:28,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:28,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:28,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:28,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:28,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:28,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:28,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:28,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:28,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:28,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:28,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:28,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:28,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:28,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:28,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:28,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:28,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:28,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:28,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:28,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:28,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:28,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:28,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:35:28,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:28,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:28,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:28,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:28,226 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:28,226 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:28,226 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:28,226 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:28,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:28,227 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:28,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:28,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:28,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:28,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:28,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:28,230 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:28,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:35:28,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:35:28,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:28,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:28,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:28,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:28,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:35:28,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:28,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:28,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:28,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:28,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:28,233 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:35:28,234 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:35:28,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:28,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:28,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:28,235 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_978baa4b-5160-4181-94b3-0f9bc93d8778/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2021-11-13 02:35:28,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:28,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:28,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:28,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:28,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:28,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-13 02:35:28,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/6cffc6967/ea64f9662f714620bed8196f2df25e8b/FLAGea13b8ad6 [2021-11-13 02:35:30,065 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:30,066 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-13 02:35:30,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/6cffc6967/ea64f9662f714620bed8196f2df25e8b/FLAGea13b8ad6 [2021-11-13 02:35:30,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/data/6cffc6967/ea64f9662f714620bed8196f2df25e8b [2021-11-13 02:35:30,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:30,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:30,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:30,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:30,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:30,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:30" (1/1) ... [2021-11-13 02:35:30,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99ee048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:30, skipping insertion in model container [2021-11-13 02:35:30,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:30" (1/1) ... [2021-11-13 02:35:30,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:30,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:31,748 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 02:35:34,758 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 02:35:36,821 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2021-11-13 02:35:36,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2021-11-13 02:35:36,832 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2021-11-13 02:35:36,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2021-11-13 02:35:36,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:37,035 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:35:37,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:37,845 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_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2021-11-13 02:35:37,845 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_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2021-11-13 02:35:37,846 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_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2021-11-13 02:35:37,846 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_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2021-11-13 02:35:37,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:37,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:35:38,953 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2021-11-13 02:35:38,954 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2021-11-13 02:35:38,956 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2021-11-13 02:35:38,963 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2021-11-13 02:35:38,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:39,504 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:35:39,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39 WrapperNode [2021-11-13 02:35:39,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:39,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:39,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:35:39,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:35:39,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:39,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:40,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:35:40,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:35:40,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:35:40,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:35:40,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:35:40,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:35:40,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:35:40,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (1/1) ... [2021-11-13 02:35:40,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:35:40,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:35:40,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:35:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-13 02:35:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-13 02:35:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 02:35:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 02:35:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:35:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:35:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-13 02:35:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-13 02:35:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_irq [2021-11-13 02:35:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_irq [2021-11-13 02:35:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_rx_resources [2021-11-13 02:35:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_rx_resources [2021-11-13 02:35:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:35:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:35:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_ctxtdesc [2021-11-13 02:35:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_ctxtdesc [2021-11-13 02:35:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_pointer [2021-11-13 02:35:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_pointer [2021-11-13 02:35:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 02:35:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 02:35:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_eitr [2021-11-13 02:35:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_eitr [2021-11-13 02:35:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-13 02:35:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-13 02:35:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_uc_addr_vf [2021-11-13 02:35:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_uc_addr_vf [2021-11-13 02:35:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-13 02:35:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-13 02:35:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:35:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:35:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 02:35:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 02:35:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2021-11-13 02:35:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2021-11-13 02:35:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:35:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:35:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_desc_unused [2021-11-13 02:35:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_desc_unused [2021-11-13 02:35:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2021-11-13 02:35:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2021-11-13 02:35:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_tx_resources [2021-11-13 02:35:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_tx_resources [2021-11-13 02:35:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_remove [2021-11-13 02:35:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_remove [2021-11-13 02:35:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 02:35:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 02:35:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:35:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:35:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 02:35:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 02:35:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 02:35:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 02:35:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 02:35:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 02:35:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:35:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:35:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 02:35:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 02:35:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:35:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 02:35:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 02:35:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_resume [2021-11-13 02:35:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_resume [2021-11-13 02:35:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:35:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:35:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:35:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:35:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-13 02:35:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-13 02:35:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-13 02:35:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-13 02:35:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 02:35:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 02:35:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_mbx_vf [2021-11-13 02:35:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_mbx_vf [2021-11-13 02:35:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2021-11-13 02:35:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2021-11-13 02:35:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_mbx_vf [2021-11-13 02:35:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_mbx_vf [2021-11-13 02:35:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:35:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:35:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-13 02:35:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-13 02:35:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reinit_locked [2021-11-13 02:35:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reinit_locked [2021-11-13 02:35:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up [2021-11-13 02:35:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up [2021-11-13 02:35:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 02:35:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 02:35:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:35:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:35:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:35:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:35:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_irq [2021-11-13 02:35:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_irq [2021-11-13 02:35:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rar_vf [2021-11-13 02:35:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rar_vf [2021-11-13 02:35:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:35:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:35:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2021-11-13 02:35:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2021-11-13 02:35:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 02:35:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 02:35:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:35:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:35:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_vfta_vf [2021-11-13 02:35:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_vfta_vf [2021-11-13 02:35:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-13 02:35:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-13 02:35:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:35:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:35:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_down [2021-11-13 02:35:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_down [2021-11-13 02:35:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:35:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:35:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 02:35:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 02:35:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:35:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:35:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_txq [2021-11-13 02:35:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_txq [2021-11-13 02:35:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-13 02:35:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-13 02:35:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_rx_resources [2021-11-13 02:35:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_rx_resources [2021-11-13 02:35:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:35:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:35:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-13 02:35:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-13 02:35:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_timeout [2021-11-13 02:35:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_timeout [2021-11-13 02:35:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:35:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:35:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-13 02:35:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-13 02:35:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_negotiate_api [2021-11-13 02:35:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_negotiate_api [2021-11-13 02:35:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:35:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:35:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:35:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 02:35:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 02:35:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 02:35:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 02:35:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_alloc_rx_buffers [2021-11-13 02:35:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_alloc_rx_buffers [2021-11-13 02:35:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-13 02:35:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-13 02:35:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_interrupt_scheme [2021-11-13 02:35:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_interrupt_scheme [2021-11-13 02:35:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 02:35:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 02:35:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 02:35:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 02:35:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:35:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:35:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:35:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:35:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 02:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_tx_resources [2021-11-13 02:35:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_tx_resources [2021-11-13 02:35:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:35:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2021-11-13 02:35:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2021-11-13 02:35:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-13 02:35:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-13 02:35:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_maybe_stop_tx [2021-11-13 02:35:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_maybe_stop_tx [2021-11-13 02:35:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_msg_vf [2021-11-13 02:35:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_msg_vf [2021-11-13 02:35:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:35:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-13 02:35:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 02:35:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 02:35:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-13 02:35:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-13 02:35:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_busy_poll_recv [2021-11-13 02:35:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_busy_poll_recv [2021-11-13 02:35:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2021-11-13 02:35:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2021-11-13 02:35:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 02:35:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 02:35:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 02:35:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 02:35:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:35:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:35:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_last_counter_stats [2021-11-13 02:35:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_last_counter_stats [2021-11-13 02:35:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_io_resume [2021-11-13 02:35:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_io_resume [2021-11-13 02:35:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 02:35:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 02:35:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up_complete [2021-11-13 02:35:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up_complete [2021-11-13 02:35:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-13 02:35:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-13 02:35:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_ivar [2021-11-13 02:35:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_ivar [2021-11-13 02:35:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_bit_vf [2021-11-13 02:35:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_bit_vf [2021-11-13 02:35:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 02:35:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 02:35:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 02:35:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 02:35:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_shutdown [2021-11-13 02:35:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_shutdown [2021-11-13 02:35:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:35:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_interrupt_capability [2021-11-13 02:35:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_interrupt_capability [2021-11-13 02:35:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:35:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:35:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-13 02:35:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-13 02:35:40,875 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_nway_reset [2021-11-13 02:35:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_nway_reset [2021-11-13 02:35:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-13 02:35:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-13 02:35:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_obtain_mbx_lock_vf [2021-11-13 02:35:40,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_obtain_mbx_lock_vf [2021-11-13 02:35:40,876 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_tx_ring [2021-11-13 02:35:40,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_tx_ring [2021-11-13 02:35:40,877 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_rst_vf [2021-11-13 02:35:40,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_rst_vf [2021-11-13 02:35:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:35:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_v2p_mailbox [2021-11-13 02:35:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_v2p_mailbox [2021-11-13 02:35:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 02:35:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 02:35:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:35:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:35:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_ack_vf [2021-11-13 02:35:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_ack_vf [2021-11-13 02:35:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:35:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:35:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:35:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:35:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:35:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_stats [2021-11-13 02:35:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_stats [2021-11-13 02:35:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_irq_enable [2021-11-13 02:35:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_irq_enable [2021-11-13 02:35:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 02:35:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 02:35:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 02:35:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 02:35:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 02:35:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_start_hw_vf [2021-11-13 02:35:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_start_hw_vf [2021-11-13 02:35:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 02:35:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 02:35:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 02:35:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 02:35:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure napi_hash_del [2021-11-13 02:35:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_hash_del [2021-11-13 02:35:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:35:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:35:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-13 02:35:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-13 02:35:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-13 02:35:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-13 02:35:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rx_mode [2021-11-13 02:35:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rx_mode [2021-11-13 02:35:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-13 02:35:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-13 02:35:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-13 02:35:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-13 02:35:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:35:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:35:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2021-11-13 02:35:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2021-11-13 02:35:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2021-11-13 02:35:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2021-11-13 02:35:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_suspend [2021-11-13 02:35:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_suspend [2021-11-13 02:35:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 02:35:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 02:35:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-13 02:35:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-13 02:35:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 02:35:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 02:35:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:35:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 02:35:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 02:35:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 02:35:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 02:35:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 02:35:40,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 02:35:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_link_test [2021-11-13 02:35:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_link_test [2021-11-13 02:35:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:35:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_vlan_rx_add_vid [2021-11-13 02:35:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_vlan_rx_add_vid [2021-11-13 02:35:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_rxq [2021-11-13 02:35:40,896 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_rxq [2021-11-13 02:35:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2021-11-13 02:35:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2021-11-13 02:35:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-13 02:35:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:35:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:35:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-13 02:35:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-13 02:35:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:35:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:35:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:35:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_mac_addr_vf [2021-11-13 02:35:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_mac_addr_vf [2021-11-13 02:35:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_configure [2021-11-13 02:35:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_configure [2021-11-13 02:35:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_tx_resources [2021-11-13 02:35:40,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_tx_resources [2021-11-13 02:35:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 02:35:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 02:35:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 02:35:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 02:35:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_queues [2021-11-13 02:35:40,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_queues [2021-11-13 02:35:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 02:35:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 02:35:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-13 02:35:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-13 02:35:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2021-11-13 02:35:40,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2021-11-13 02:35:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:35:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:35:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 02:35:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 02:35:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 02:35:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 02:35:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 02:35:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 02:35:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-13 02:35:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-13 02:35:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_open [2021-11-13 02:35:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_open [2021-11-13 02:35:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-13 02:35:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2021-11-13 02:35:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2021-11-13 02:35:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2021-11-13 02:35:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_mac_link_vf [2021-11-13 02:35:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_mac_link_vf [2021-11-13 02:35:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clear_interrupt_scheme [2021-11-13 02:35:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clear_interrupt_scheme [2021-11-13 02:35:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_regs_len [2021-11-13 02:35:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_regs_len [2021-11-13 02:35:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 02:35:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 02:35:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:35:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:35:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:35:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:35:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 02:35:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 02:35:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2021-11-13 02:35:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2021-11-13 02:35:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_rx_resources [2021-11-13 02:35:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_rx_resources [2021-11-13 02:35:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:35:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:35:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 02:35:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 02:35:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:35:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:35:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_mbx_params_vf [2021-11-13 02:35:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_mbx_params_vf [2021-11-13 02:35:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:35:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-13 02:35:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-13 02:35:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:35:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_q_vectors [2021-11-13 02:35:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_q_vectors [2021-11-13 02:35:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:35:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:35:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:35:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:35:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_disable_rx_queue [2021-11-13 02:35:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_disable_rx_queue [2021-11-13 02:35:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset [2021-11-13 02:35:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset [2021-11-13 02:35:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_close [2021-11-13 02:35:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_close [2021-11-13 02:35:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-13 02:35:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-13 02:35:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-13 02:35:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-13 02:35:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 02:35:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 02:35:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-13 02:35:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-13 02:35:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 02:35:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 02:35:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-13 02:35:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-13 02:35:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-13 02:35:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-13 02:35:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 02:35:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 02:35:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 02:35:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 02:35:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:35:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:35:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-13 02:35:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-13 02:35:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_ring [2021-11-13 02:35:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_ring [2021-11-13 02:35:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_stop_hw_vf [2021-11-13 02:35:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_stop_hw_vf [2021-11-13 02:35:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-13 02:35:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-13 02:35:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2021-11-13 02:35:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2021-11-13 02:35:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 02:35:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 02:35:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-13 02:35:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-13 02:35:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_unmap_and_free_tx_resource [2021-11-13 02:35:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_unmap_and_free_tx_resource [2021-11-13 02:35:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-13 02:35:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-13 02:35:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:35:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:35:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-13 02:35:40,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-13 02:35:43,092 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:42:54,406 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:42:54,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:42:54,609 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-13 02:42:54,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:54 BoogieIcfgContainer [2021-11-13 02:42:54,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:42:54,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:42:54,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:42:54,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:42:54,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:35:30" (1/3) ... [2021-11-13 02:42:54,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d4e93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:54, skipping insertion in model container [2021-11-13 02:42:54,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:39" (2/3) ... [2021-11-13 02:42:54,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d4e93b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:54, skipping insertion in model container [2021-11-13 02:42:54,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:54" (3/3) ... [2021-11-13 02:42:54,627 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2021-11-13 02:42:54,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:42:54,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-13 02:42:54,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:42:54,721 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 02:42:54,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-13 02:42:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 3654 states, 2571 states have (on average 1.2730455075845974) internal successors, (3273), 2614 states have internal predecessors, (3273), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) [2021-11-13 02:42:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-13 02:42:54,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:42:54,903 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:54,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:42:54,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:42:54,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1745754885, now seen corresponding path program 1 times [2021-11-13 02:42:54,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:42:54,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119991597] [2021-11-13 02:42:54,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:42:54,937 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:42:54,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:42:54,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:42:54,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:43:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:01,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:43:02,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2021-11-13 02:43:03,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2021-11-13 02:43:04,313 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:04,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119991597] [2021-11-13 02:43:04,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119991597] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:04,316 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:04,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:43:04,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601782731] [2021-11-13 02:43:04,322 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:04,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:43:04,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:04,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:43:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:43:04,384 INFO L87 Difference]: Start difference. First operand has 3654 states, 2571 states have (on average 1.2730455075845974) internal successors, (3273), 2614 states have internal predecessors, (3273), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-13 02:43:07,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:43:28,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:43:28,817 INFO L93 Difference]: Finished difference Result 14206 states and 19730 transitions. [2021-11-13 02:43:28,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:43:28,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 346 [2021-11-13 02:43:28,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:43:28,968 INFO L225 Difference]: With dead ends: 14206 [2021-11-13 02:43:28,969 INFO L226 Difference]: Without dead ends: 10594 [2021-11-13 02:43:29,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 688 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 02:43:29,015 INFO L933 BasicCegarLoop]: 6630 mSDtfsCounter, 9628 mSDsluCounter, 9019 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22201.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9628 SdHoareTripleChecker+Valid, 15649 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 106.42ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23522.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:43:29,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9628 Valid, 15649 Invalid, 1741 Unknown, 0 Unchecked, 106.42ms Time], IncrementalHoareTripleChecker [19 Valid, 1721 Invalid, 1 Unknown, 0 Unchecked, 23522.54ms Time] [2021-11-13 02:43:29,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10594 states. [2021-11-13 02:43:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10594 to 10586. [2021-11-13 02:43:29,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10586 states, 7465 states have (on average 1.2644340254521098) internal successors, (9439), 7591 states have internal predecessors, (9439), 2530 states have call successors, (2530), 590 states have call predecessors, (2530), 589 states have return successors, (2527), 2515 states have call predecessors, (2527), 2527 states have call successors, (2527) [2021-11-13 02:43:29,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10586 states to 10586 states and 14496 transitions. [2021-11-13 02:43:29,911 INFO L78 Accepts]: Start accepts. Automaton has 10586 states and 14496 transitions. Word has length 346 [2021-11-13 02:43:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:43:29,914 INFO L470 AbstractCegarLoop]: Abstraction has 10586 states and 14496 transitions. [2021-11-13 02:43:29,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-13 02:43:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 10586 states and 14496 transitions. [2021-11-13 02:43:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-13 02:43:29,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:43:29,934 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:43:30,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:43:30,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:43:30,159 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:43:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:43:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1452569676, now seen corresponding path program 1 times [2021-11-13 02:43:30,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:43:30,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123503634] [2021-11-13 02:43:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:43:30,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:43:30,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:43:30,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:43:30,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:43:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:43:37,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2677 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:43:37,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:43:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2021-11-13 02:43:38,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:43:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2021-11-13 02:43:39,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:43:39,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123503634] [2021-11-13 02:43:39,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123503634] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:43:39,987 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:43:39,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:43:39,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138385104] [2021-11-13 02:43:39,988 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:43:39,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:43:39,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:43:39,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:43:39,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:43:39,992 INFO L87 Difference]: Start difference. First operand 10586 states and 14496 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-13 02:43:42,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:44:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:11,482 INFO L93 Difference]: Finished difference Result 31732 states and 43401 transitions. [2021-11-13 02:44:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:44:11,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 363 [2021-11-13 02:44:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:11,699 INFO L225 Difference]: With dead ends: 31732 [2021-11-13 02:44:11,700 INFO L226 Difference]: Without dead ends: 21209 [2021-11-13 02:44:11,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 722 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 02:44:11,783 INFO L933 BasicCegarLoop]: 6869 mSDtfsCounter, 10277 mSDsluCounter, 7366 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 1149 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27914.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10277 SdHoareTripleChecker+Valid, 14235 SdHoareTripleChecker+Invalid, 2885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 90.18ms SdHoareTripleChecker+Time, 1149 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30278.09ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:11,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10277 Valid, 14235 Invalid, 2885 Unknown, 0 Unchecked, 90.18ms Time], IncrementalHoareTripleChecker [1149 Valid, 1735 Invalid, 1 Unknown, 0 Unchecked, 30278.09ms Time] [2021-11-13 02:44:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21209 states. [2021-11-13 02:44:13,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21209 to 21195. [2021-11-13 02:44:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21195 states, 15123 states have (on average 1.267870131587648) internal successors, (19174), 15368 states have internal predecessors, (19174), 4882 states have call successors, (4882), 1191 states have call predecessors, (4882), 1188 states have return successors, (4879), 4849 states have call predecessors, (4879), 4879 states have call successors, (4879) [2021-11-13 02:44:13,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21195 states to 21195 states and 28935 transitions. [2021-11-13 02:44:13,544 INFO L78 Accepts]: Start accepts. Automaton has 21195 states and 28935 transitions. Word has length 363 [2021-11-13 02:44:13,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:13,551 INFO L470 AbstractCegarLoop]: Abstraction has 21195 states and 28935 transitions. [2021-11-13 02:44:13,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2021-11-13 02:44:13,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21195 states and 28935 transitions. [2021-11-13 02:44:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-11-13 02:44:13,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:13,579 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 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, 1, 1, 1, 1, 1, 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 02:44:13,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-13 02:44:13,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:44:13,795 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:44:13,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1760127748, now seen corresponding path program 1 times [2021-11-13 02:44:13,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:13,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088650666] [2021-11-13 02:44:13,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:13,801 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:13,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:13,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:13,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:44:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:20,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 2726 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:44:20,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2021-11-13 02:44:27,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2021-11-13 02:44:30,961 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:30,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088650666] [2021-11-13 02:44:30,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088650666] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:44:30,962 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:44:30,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-13 02:44:30,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237951495] [2021-11-13 02:44:30,962 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:44:30,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:44:30,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:44:30,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:44:30,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:44:30,965 INFO L87 Difference]: Start difference. First operand 21195 states and 28935 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-13 02:44:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:44:33,028 INFO L93 Difference]: Finished difference Result 21195 states and 28935 transitions. [2021-11-13 02:44:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:44:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 402 [2021-11-13 02:44:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:44:33,161 INFO L225 Difference]: With dead ends: 21195 [2021-11-13 02:44:33,162 INFO L226 Difference]: Without dead ends: 21156 [2021-11-13 02:44:33,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:44:33,184 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 4799 mSDsluCounter, 9890 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 868.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4799 SdHoareTripleChecker+Valid, 14835 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.26ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1113.85ms IncrementalHoareTripleChecker+Time [2021-11-13 02:44:33,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4799 Valid, 14835 Invalid, 5 Unknown, 0 Unchecked, 42.26ms Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 1113.85ms Time] [2021-11-13 02:44:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21156 states. [2021-11-13 02:44:34,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21156 to 21135. [2021-11-13 02:44:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21135 states, 15086 states have (on average 1.2669362322683282) internal successors, (19113), 15322 states have internal predecessors, (19113), 4861 states have call successors, (4861), 1187 states have call predecessors, (4861), 1187 states have return successors, (4861), 4839 states have call predecessors, (4861), 4861 states have call successors, (4861) [2021-11-13 02:44:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21135 states to 21135 states and 28835 transitions. [2021-11-13 02:44:34,888 INFO L78 Accepts]: Start accepts. Automaton has 21135 states and 28835 transitions. Word has length 402 [2021-11-13 02:44:34,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:44:34,890 INFO L470 AbstractCegarLoop]: Abstraction has 21135 states and 28835 transitions. [2021-11-13 02:44:34,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-13 02:44:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 21135 states and 28835 transitions. [2021-11-13 02:44:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-13 02:44:34,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:44:34,975 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:35,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:44:35,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:44:35,199 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:44:35,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:44:35,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1774450226, now seen corresponding path program 1 times [2021-11-13 02:44:35,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:44:35,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477958502] [2021-11-13 02:44:35,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:44:35,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:44:35,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:44:35,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:44:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:44:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:44:42,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 2848 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:44:42,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:44:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4276 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 3849 trivial. 0 not checked. [2021-11-13 02:44:44,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:44:46,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4276 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4261 trivial. 0 not checked. [2021-11-13 02:44:46,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:44:46,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477958502] [2021-11-13 02:44:46,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477958502] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:44:46,203 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:44:46,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:44:46,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179984792] [2021-11-13 02:44:46,204 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:44:46,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:44:46,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:44:46,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:44:46,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:44:46,207 INFO L87 Difference]: Start difference. First operand 21135 states and 28835 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:44:49,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:45:10,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:10,801 INFO L93 Difference]: Finished difference Result 55584 states and 75863 transitions. [2021-11-13 02:45:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:45:10,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 446 [2021-11-13 02:45:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:11,014 INFO L225 Difference]: With dead ends: 55584 [2021-11-13 02:45:11,015 INFO L226 Difference]: Without dead ends: 37168 [2021-11-13 02:45:11,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 888 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 02:45:11,120 INFO L933 BasicCegarLoop]: 9165 mSDtfsCounter, 8431 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 34 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21728.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8431 SdHoareTripleChecker+Valid, 16740 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.37ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23080.53ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:11,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8431 Valid, 16740 Invalid, 1814 Unknown, 0 Unchecked, 55.37ms Time], IncrementalHoareTripleChecker [34 Valid, 1779 Invalid, 1 Unknown, 0 Unchecked, 23080.53ms Time] [2021-11-13 02:45:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37168 states. [2021-11-13 02:45:13,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37168 to 37166. [2021-11-13 02:45:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37166 states, 26584 states have (on average 1.267378874510984) internal successors, (33692), 26991 states have internal predecessors, (33692), 8509 states have call successors, (8509), 2072 states have call predecessors, (8509), 2072 states have return successors, (8509), 8472 states have call predecessors, (8509), 8509 states have call successors, (8509) [2021-11-13 02:45:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37166 states to 37166 states and 50710 transitions. [2021-11-13 02:45:13,877 INFO L78 Accepts]: Start accepts. Automaton has 37166 states and 50710 transitions. Word has length 446 [2021-11-13 02:45:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:13,878 INFO L470 AbstractCegarLoop]: Abstraction has 37166 states and 50710 transitions. [2021-11-13 02:45:13,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 4 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:45:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 37166 states and 50710 transitions. [2021-11-13 02:45:13,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-13 02:45:13,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:45:13,974 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:14,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:14,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:14,188 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:45:14,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:45:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2130933107, now seen corresponding path program 1 times [2021-11-13 02:45:14,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:45:14,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107243233] [2021-11-13 02:45:14,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:45:14,196 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:45:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:45:14,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:45:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:45:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:45:21,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2956 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:45:21,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:45:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2021-11-13 02:45:31,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:45:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2021-11-13 02:45:35,688 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:45:35,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107243233] [2021-11-13 02:45:35,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107243233] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:45:35,688 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:45:35,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-13 02:45:35,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434444959] [2021-11-13 02:45:35,689 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:45:35,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:45:35,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:45:35,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:45:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:45:35,692 INFO L87 Difference]: Start difference. First operand 37166 states and 50710 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-13 02:45:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:45:43,069 INFO L93 Difference]: Finished difference Result 50043 states and 69949 transitions. [2021-11-13 02:45:43,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:45:43,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) Word has length 502 [2021-11-13 02:45:43,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:45:43,076 INFO L225 Difference]: With dead ends: 50043 [2021-11-13 02:45:43,077 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 02:45:43,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1003 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:45:43,219 INFO L933 BasicCegarLoop]: 6544 mSDtfsCounter, 7597 mSDsluCounter, 5283 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5267.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7597 SdHoareTripleChecker+Valid, 11827 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.34ms SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5797.14ms IncrementalHoareTripleChecker+Time [2021-11-13 02:45:43,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7597 Valid, 11827 Invalid, 1111 Unknown, 0 Unchecked, 34.34ms Time], IncrementalHoareTripleChecker [739 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 5797.14ms Time] [2021-11-13 02:45:43,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 02:45:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 02:45:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 02:45:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 02:45:43,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 502 [2021-11-13 02:45:43,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:45:43,234 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 02:45:43,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 2 states have call successors, (90), 2 states have call predecessors, (90), 2 states have return successors, (90), 2 states have call predecessors, (90), 2 states have call successors, (90) [2021-11-13 02:45:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 02:45:43,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 02:45:43,238 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-13 02:45:43,238 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-13 02:45:43,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:45:43,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978baa4b-5160-4181-94b3-0f9bc93d8778/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:45:43,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.