./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:02:50,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:02:50,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:02:50,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:02:50,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:02:50,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:02:50,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:02:50,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:02:50,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:02:50,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:02:50,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:02:50,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:02:50,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:02:50,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:02:50,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:02:50,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:02:50,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:02:50,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:02:50,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:02:50,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:02:50,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:02:50,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:02:50,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:02:50,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:02:50,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:02:50,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:02:50,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:02:50,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:02:50,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:02:50,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:02:50,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:02:50,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:02:50,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:02:50,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:02:50,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:02:50,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:02:50,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:02:50,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:02:50,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:02:50,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:02:50,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:02:50,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:02:50,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:02:50,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:02:50,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:02:50,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:02:50,343 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:02:50,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:02:50,344 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:02:50,344 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:02:50,344 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:02:50,344 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:02:50,346 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:02:50,346 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:02:50,346 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:02:50,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:02:50,347 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:02:50,347 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:02:50,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:02:50,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:02:50,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:02:50,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:02:50,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:02:50,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:02:50,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:02:50,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:02:50,350 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:02:50,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:02:50,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:02:50,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:02:50,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:02:50,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:02:50,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:02:50,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:02:50,353 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:02:50,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:02:50,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:02:50,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:02:50,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:02:50,355 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_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-11-19 15:02:50,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:02:50,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:02:50,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:02:50,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:02:50,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:02:50,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 15:02:50,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/4eceeb8a2/0537af3e748d43789ce7b1b0c901e1cd/FLAG298510604 [2021-11-19 15:02:51,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:02:51,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 15:02:51,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/4eceeb8a2/0537af3e748d43789ce7b1b0c901e1cd/FLAG298510604 [2021-11-19 15:02:52,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/4eceeb8a2/0537af3e748d43789ce7b1b0c901e1cd [2021-11-19 15:02:52,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:02:52,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:02:52,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:02:52,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:02:52,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:02:52,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:52" (1/1) ... [2021-11-19 15:02:52,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4701263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:52, skipping insertion in model container [2021-11-19 15:02:52,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:52" (1/1) ... [2021-11-19 15:02:52,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:02:52,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:02:54,764 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,771 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,796 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,806 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,900 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,903 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,905 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:54,957 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,059 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,082 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,085 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,088 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,106 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,136 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,154 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,173 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,174 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,177 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,220 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,231 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,232 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,265 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,267 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,341 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,342 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,352 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,362 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,365 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,366 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,367 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,368 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,388 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,389 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,390 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:55,391 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 15:02:56,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-19 15:02:56,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-19 15:02:57,000 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:02:57,054 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 15:02:57,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9d6dc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:57, skipping insertion in model container [2021-11-19 15:02:57,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:02:57,055 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:02:57,057 INFO L158 Benchmark]: Toolchain (without parser) took 4799.53ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 69.6MB in the beginning and 119.1MB in the end (delta: -49.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-11-19 15:02:57,057 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:02:57,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4797.13ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 69.6MB in the beginning and 119.1MB in the end (delta: -49.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2021-11-19 15:02:57,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4797.13ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 69.6MB in the beginning and 119.1MB in the end (delta: -49.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6110]: 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_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:02:59,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:02:59,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:02:59,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:02:59,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:02:59,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:02:59,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:02:59,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:02:59,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:02:59,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:02:59,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:02:59,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:02:59,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:02:59,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:02:59,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:02:59,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:02:59,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:02:59,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:02:59,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:02:59,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:02:59,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:02:59,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:02:59,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:02:59,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:02:59,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:02:59,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:02:59,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:02:59,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:02:59,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:02:59,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:02:59,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:02:59,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:02:59,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:02:59,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:02:59,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:02:59,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:02:59,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:02:59,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:02:59,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:02:59,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:02:59,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:02:59,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:02:59,587 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:02:59,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:02:59,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:02:59,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:02:59,589 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:02:59,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:02:59,590 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:02:59,590 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:02:59,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:02:59,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:02:59,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:02:59,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:02:59,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:02:59,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:02:59,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:02:59,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:02:59,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:02:59,595 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:02:59,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:02:59,595 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:02:59,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:02:59,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:02:59,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:02:59,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:02:59,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:02:59,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:02:59,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:02:59,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:02:59,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:02:59,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:02:59,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:02:59,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:02:59,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:02:59,598 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_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2021-11-19 15:03:00,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:03:00,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:03:00,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:03:00,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:03:00,075 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:03:00,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 15:03:00,151 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/08cb30b4a/08bfc9fdadc94015b6aa3353d450563a/FLAGb93bcbf90 [2021-11-19 15:03:01,326 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:03:01,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 15:03:01,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/08cb30b4a/08bfc9fdadc94015b6aa3353d450563a/FLAGb93bcbf90 [2021-11-19 15:03:01,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/data/08cb30b4a/08bfc9fdadc94015b6aa3353d450563a [2021-11-19 15:03:01,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:03:01,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:03:01,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:03:01,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:03:01,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:03:01,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:01" (1/1) ... [2021-11-19 15:03:01,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e36d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:01, skipping insertion in model container [2021-11-19 15:03:01,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:01" (1/1) ... [2021-11-19 15:03:01,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:03:01,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:03:06,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-19 15:03:06,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-19 15:03:06,323 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:03:06,416 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:03:06,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:03:07,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-19 15:03:07,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-19 15:03:07,206 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:03:07,248 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:03:07,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2021-11-19 15:03:07,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2021-11-19 15:03:07,793 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:03:08,206 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:03:08,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08 WrapperNode [2021-11-19 15:03:08,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:03:08,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:03:08,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:03:08,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:03:08,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:08,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:08,818 INFO L137 Inliner]: procedures = 581, calls = 4460, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 8853 [2021-11-19 15:03:08,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:03:08,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:03:08,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:03:08,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:03:08,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:08,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:08,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:08,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:09,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:09,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:09,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:09,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:03:09,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:03:09,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:03:09,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:03:09,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (1/1) ... [2021-11-19 15:03:09,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:03:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:03:09,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:03:09,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:03:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 15:03:09,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 15:03:09,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 15:03:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 15:03:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 15:03:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 15:03:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-11-19 15:03:09,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-11-19 15:03:09,251 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-11-19 15:03:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-11-19 15:03:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 15:03:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 15:03:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-11-19 15:03:09,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-11-19 15:03:09,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:03:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:03:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 15:03:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 15:03:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-11-19 15:03:09,253 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-11-19 15:03:09,253 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-11-19 15:03:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-11-19 15:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-19 15:03:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-19 15:03:09,254 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-11-19 15:03:09,254 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-11-19 15:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 15:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 15:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-19 15:03:09,255 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-19 15:03:09,255 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-19 15:03:09,256 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-19 15:03:09,256 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-11-19 15:03:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-11-19 15:03:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 15:03:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 15:03:09,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 15:03:09,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 15:03:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 15:03:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 15:03:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-19 15:03:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-11-19 15:03:09,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 15:03:09,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-19 15:03:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-19 15:03:09,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-11-19 15:03:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-11-19 15:03:09,260 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-11-19 15:03:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 15:03:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 15:03:09,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 15:03:09,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 15:03:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 15:03:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 15:03:09,262 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 15:03:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 15:03:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 15:03:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 15:03:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-19 15:03:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-19 15:03:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 15:03:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 15:03:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 15:03:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 15:03:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-19 15:03:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-19 15:03:09,265 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 15:03:09,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 15:03:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 15:03:09,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 15:03:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:03:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:03:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:03:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:03:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-19 15:03:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-19 15:03:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-19 15:03:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-19 15:03:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 15:03:09,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 15:03:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-11-19 15:03:09,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-11-19 15:03:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 15:03:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 15:03:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-11-19 15:03:09,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-11-19 15:03:09,269 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-11-19 15:03:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-11-19 15:03:09,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 15:03:09,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 15:03:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-11-19 15:03:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-11-19 15:03:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 15:03:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 15:03:09,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 15:03:09,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 15:03:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 15:03:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 15:03:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-19 15:03:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-19 15:03:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 15:03:09,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 15:03:09,272 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-11-19 15:03:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-11-19 15:03:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-19 15:03:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-19 15:03:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 15:03:09,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 15:03:09,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 15:03:09,275 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 15:03:09,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 15:03:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 15:03:09,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 15:03:09,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 15:03:09,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 15:03:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 15:03:09,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 15:03:09,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 15:03:09,282 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-11-19 15:03:09,284 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-11-19 15:03:09,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-11-19 15:03:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-11-19 15:03:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 15:03:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 15:03:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 15:03:09,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 15:03:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-11-19 15:03:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-11-19 15:03:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 15:03:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 15:03:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-11-19 15:03:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-11-19 15:03:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:03:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 15:03:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 15:03:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-19 15:03:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-19 15:03:09,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 15:03:09,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 15:03:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 15:03:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 15:03:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 15:03:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 15:03:09,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 15:03:09,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 15:03:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:03:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 15:03:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 15:03:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 15:03:09,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 15:03:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:03:09,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 15:03:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 15:03:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-19 15:03:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-19 15:03:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:03:09,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 15:03:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 15:03:09,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-19 15:03:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-19 15:03:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 15:03:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 15:03:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 15:03:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 15:03:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 15:03:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 15:03:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-11-19 15:03:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-11-19 15:03:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 15:03:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 15:03:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-11-19 15:03:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-11-19 15:03:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-19 15:03:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-19 15:03:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-11-19 15:03:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-11-19 15:03:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 15:03:09,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-11-19 15:03:09,293 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 15:03:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 15:03:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-11-19 15:03:09,294 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-11-19 15:03:09,294 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 15:03:09,296 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 15:03:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 15:03:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 15:03:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-11-19 15:03:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-11-19 15:03:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 15:03:09,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 15:03:09,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-19 15:03:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-11-19 15:03:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-11-19 15:03:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-11-19 15:03:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-19 15:03:09,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-19 15:03:09,298 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-19 15:03:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-19 15:03:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 15:03:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-19 15:03:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-19 15:03:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-11-19 15:03:09,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-11-19 15:03:09,299 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-11-19 15:03:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-11-19 15:03:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-19 15:03:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-19 15:03:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:03:09,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:03:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:03:09,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:03:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-11-19 15:03:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-11-19 15:03:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:03:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 15:03:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:03:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 15:03:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 15:03:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 15:03:09,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 15:03:09,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 15:03:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-19 15:03:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-19 15:03:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 15:03:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 15:03:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 15:03:09,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 15:03:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-19 15:03:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-19 15:03:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 15:03:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 15:03:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 15:03:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 15:03:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:03:09,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-11-19 15:03:09,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-11-19 15:03:09,306 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-19 15:03:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-19 15:03:09,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 15:03:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 15:03:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:03:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-11-19 15:03:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-11-19 15:03:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-11-19 15:03:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-11-19 15:03:09,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:03:09,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:03:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:03:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:03:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:03:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-19 15:03:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-19 15:03:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 15:03:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 15:03:09,319 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 15:03:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 15:03:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 15:03:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 15:03:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 15:03:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 15:03:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 15:03:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 15:03:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-19 15:03:09,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-19 15:03:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-11-19 15:03:09,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-11-19 15:03:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-19 15:03:09,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-19 15:03:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 15:03:09,321 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 15:03:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-11-19 15:03:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-11-19 15:03:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-19 15:03:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-19 15:03:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 15:03:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 15:03:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 15:03:09,322 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 15:03:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-19 15:03:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-19 15:03:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-11-19 15:03:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-11-19 15:03:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:03:09,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 15:03:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 15:03:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 15:03:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-11-19 15:03:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-11-19 15:03:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 15:03:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 15:03:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 15:03:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-11-19 15:03:09,324 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-11-19 15:03:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 15:03:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-19 15:03:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-19 15:03:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-19 15:03:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-19 15:03:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 15:03:09,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 15:03:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-11-19 15:03:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-11-19 15:03:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-11-19 15:03:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-11-19 15:03:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-11-19 15:03:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-11-19 15:03:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 15:03:09,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 15:03:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-11-19 15:03:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-11-19 15:03:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-11-19 15:03:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-11-19 15:03:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 15:03:09,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 15:03:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 15:03:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 15:03:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 15:03:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 15:03:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 15:03:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 15:03:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-19 15:03:09,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-11-19 15:03:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 15:03:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 15:03:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-11-19 15:03:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-11-19 15:03:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-11-19 15:03:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-11-19 15:03:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 15:03:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 15:03:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 15:03:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 15:03:10,536 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:03:10,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:03:17,679 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:04:13,101 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 15:04:13,214 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:04:13,238 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:04:13,238 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:04:13,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:13 BoogieIcfgContainer [2021-11-19 15:04:13,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:04:13,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:04:13,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:04:13,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:04:13,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:03:01" (1/3) ... [2021-11-19 15:04:13,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6723c3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:04:13, skipping insertion in model container [2021-11-19 15:04:13,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:08" (2/3) ... [2021-11-19 15:04:13,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6723c3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:04:13, skipping insertion in model container [2021-11-19 15:04:13,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:13" (3/3) ... [2021-11-19 15:04:13,253 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-19 15:04:13,258 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:04:13,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 15:04:13,318 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:04:13,324 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 15:04:13,324 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 15:04:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2021-11-19 15:04:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-19 15:04:13,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:04:13,476 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:04:13,476 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:04:13,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:04:13,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1368886202, now seen corresponding path program 1 times [2021-11-19 15:04:13,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:04:13,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116776951] [2021-11-19 15:04:13,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:04:13,514 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:04:13,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:04:13,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:04:13,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:04:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:04:19,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 5004 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:04:19,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:04:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 15:04:19,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:04:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-19 15:04:20,852 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:04:20,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116776951] [2021-11-19 15:04:20,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116776951] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:04:20,852 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:04:20,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:04:20,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043578272] [2021-11-19 15:04:20,855 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:04:20,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:04:20,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:04:20,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:04:20,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:04:20,906 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:04:23,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:04:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:04:36,313 INFO L93 Difference]: Finished difference Result 12052 states and 17627 transitions. [2021-11-19 15:04:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:04:36,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 256 [2021-11-19 15:04:36,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:04:36,412 INFO L225 Difference]: With dead ends: 12052 [2021-11-19 15:04:36,412 INFO L226 Difference]: Without dead ends: 8813 [2021-11-19 15:04:36,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:04:36,451 INFO L933 BasicCegarLoop]: 5968 mSDtfsCounter, 11370 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 1535 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11370 SdHoareTripleChecker+Valid, 13011 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1535 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-11-19 15:04:36,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11370 Valid, 13011 Invalid, 3216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1535 Valid, 1680 Invalid, 1 Unknown, 0 Unchecked, 14.4s Time] [2021-11-19 15:04:36,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8813 states. [2021-11-19 15:04:37,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8813 to 8807. [2021-11-19 15:04:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8807 states, 6175 states have (on average 1.3379757085020243) internal successors, (8262), 6375 states have internal predecessors, (8262), 2193 states have call successors, (2193), 438 states have call predecessors, (2193), 438 states have return successors, (2193), 2146 states have call predecessors, (2193), 2193 states have call successors, (2193) [2021-11-19 15:04:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8807 states to 8807 states and 12648 transitions. [2021-11-19 15:04:37,141 INFO L78 Accepts]: Start accepts. Automaton has 8807 states and 12648 transitions. Word has length 256 [2021-11-19 15:04:37,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:04:37,147 INFO L470 AbstractCegarLoop]: Abstraction has 8807 states and 12648 transitions. [2021-11-19 15:04:37,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 4 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:04:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 8807 states and 12648 transitions. [2021-11-19 15:04:37,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-19 15:04:37,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:04:37,162 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:04:37,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:04:37,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:04:37,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:04:37,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:04:37,379 INFO L85 PathProgramCache]: Analyzing trace with hash -487339350, now seen corresponding path program 1 times [2021-11-19 15:04:37,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:04:37,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130296549] [2021-11-19 15:04:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:04:37,385 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:04:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:04:37,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:04:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:04:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:04:42,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 5005 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:04:42,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:04:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2021-11-19 15:04:43,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:04:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-11-19 15:04:44,259 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:04:44,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130296549] [2021-11-19 15:04:44,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130296549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:04:44,260 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:04:44,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:04:44,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82126044] [2021-11-19 15:04:44,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:04:44,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:04:44,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:04:44,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:04:44,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:04:44,264 INFO L87 Difference]: Start difference. First operand 8807 states and 12648 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, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:04:46,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:04:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:04:59,174 INFO L93 Difference]: Finished difference Result 33741 states and 48548 transitions. [2021-11-19 15:04:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:04:59,175 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, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 257 [2021-11-19 15:04:59,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:04:59,390 INFO L225 Difference]: With dead ends: 33741 [2021-11-19 15:04:59,390 INFO L226 Difference]: Without dead ends: 24973 [2021-11-19 15:04:59,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:04:59,449 INFO L933 BasicCegarLoop]: 6765 mSDtfsCounter, 10310 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 1261 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10310 SdHoareTripleChecker+Valid, 13555 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:04:59,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10310 Valid, 13555 Invalid, 2939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1261 Valid, 1677 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2021-11-19 15:04:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24973 states. [2021-11-19 15:05:00,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24973 to 24957. [2021-11-19 15:05:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24957 states, 17425 states have (on average 1.3400286944045912) internal successors, (23350), 18021 states have internal predecessors, (23350), 6251 states have call successors, (6251), 1280 states have call predecessors, (6251), 1280 states have return successors, (6251), 6110 states have call predecessors, (6251), 6251 states have call successors, (6251) [2021-11-19 15:05:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24957 states to 24957 states and 35852 transitions. [2021-11-19 15:05:01,060 INFO L78 Accepts]: Start accepts. Automaton has 24957 states and 35852 transitions. Word has length 257 [2021-11-19 15:05:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:01,061 INFO L470 AbstractCegarLoop]: Abstraction has 24957 states and 35852 transitions. [2021-11-19 15:05:01,062 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, (31), 3 states have call predecessors, (31), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 15:05:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 24957 states and 35852 transitions. [2021-11-19 15:05:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-19 15:05:01,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:01,079 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2021-11-19 15:05:01,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:01,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:05:01,280 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:01,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:01,280 INFO L85 PathProgramCache]: Analyzing trace with hash -982174440, now seen corresponding path program 1 times [2021-11-19 15:05:01,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:01,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128506951] [2021-11-19 15:05:01,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:01,286 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:01,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:01,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:05:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:06,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 4948 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:05:06,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2021-11-19 15:05:07,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-11-19 15:05:08,231 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:08,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128506951] [2021-11-19 15:05:08,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128506951] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:08,231 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:08,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:05:08,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761517662] [2021-11-19 15:05:08,232 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:08,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:05:08,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:05:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:05:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:05:08,235 INFO L87 Difference]: Start difference. First operand 24957 states and 35852 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-19 15:05:10,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:05:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:19,582 INFO L93 Difference]: Finished difference Result 96723 states and 139227 transitions. [2021-11-19 15:05:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:05:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 265 [2021-11-19 15:05:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:20,080 INFO L225 Difference]: With dead ends: 96723 [2021-11-19 15:05:20,081 INFO L226 Difference]: Without dead ends: 71805 [2021-11-19 15:05:20,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:05:20,212 INFO L933 BasicCegarLoop]: 5890 mSDtfsCounter, 8254 mSDsluCounter, 10706 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8254 SdHoareTripleChecker+Valid, 16596 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:20,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8254 Valid, 16596 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1406 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2021-11-19 15:05:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71805 states. [2021-11-19 15:05:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71805 to 71765. [2021-11-19 15:05:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71765 states, 50141 states have (on average 1.3369099140424003) internal successors, (67034), 51839 states have internal predecessors, (67034), 17855 states have call successors, (17855), 3804 states have call predecessors, (17855), 3768 states have return successors, (18477), 17324 states have call predecessors, (18477), 17855 states have call successors, (18477) [2021-11-19 15:05:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71765 states to 71765 states and 103366 transitions. [2021-11-19 15:05:25,326 INFO L78 Accepts]: Start accepts. Automaton has 71765 states and 103366 transitions. Word has length 265 [2021-11-19 15:05:25,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:25,327 INFO L470 AbstractCegarLoop]: Abstraction has 71765 states and 103366 transitions. [2021-11-19 15:05:25,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (40), 3 states have call predecessors, (40), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2021-11-19 15:05:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 71765 states and 103366 transitions. [2021-11-19 15:05:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-19 15:05:25,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:25,347 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:05:25,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:25,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:05:25,571 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:25,572 INFO L85 PathProgramCache]: Analyzing trace with hash -432614603, now seen corresponding path program 1 times [2021-11-19 15:05:25,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:25,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808655223] [2021-11-19 15:05:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:25,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:25,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:25,584 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:25,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:05:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:31,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 5059 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:05:31,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2021-11-19 15:05:31,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:32,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2021-11-19 15:05:32,519 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:32,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808655223] [2021-11-19 15:05:32,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808655223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:32,520 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:32,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:05:32,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472990303] [2021-11-19 15:05:32,521 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:32,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:05:32,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:05:32,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:05:32,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:05:32,523 INFO L87 Difference]: Start difference. First operand 71765 states and 103366 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 15:05:34,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:05:39,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:05:39,655 INFO L93 Difference]: Finished difference Result 213101 states and 306930 transitions. [2021-11-19 15:05:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:05:39,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 284 [2021-11-19 15:05:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:05:40,947 INFO L225 Difference]: With dead ends: 213101 [2021-11-19 15:05:40,947 INFO L226 Difference]: Without dead ends: 141375 [2021-11-19 15:05:41,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:05:41,283 INFO L933 BasicCegarLoop]: 6197 mSDtfsCounter, 4200 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4200 SdHoareTripleChecker+Valid, 10531 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:05:41,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4200 Valid, 10531 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 15:05:41,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141375 states. [2021-11-19 15:05:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141375 to 141319. [2021-11-19 15:05:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141319 states, 98782 states have (on average 1.3355570852989411) internal successors, (131929), 102191 states have internal predecessors, (131929), 35081 states have call successors, (35081), 7527 states have call predecessors, (35081), 7455 states have return successors, (36285), 34005 states have call predecessors, (36285), 35081 states have call successors, (36285) [2021-11-19 15:05:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141319 states to 141319 states and 203295 transitions. [2021-11-19 15:05:48,294 INFO L78 Accepts]: Start accepts. Automaton has 141319 states and 203295 transitions. Word has length 284 [2021-11-19 15:05:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:05:48,294 INFO L470 AbstractCegarLoop]: Abstraction has 141319 states and 203295 transitions. [2021-11-19 15:05:48,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-19 15:05:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 141319 states and 203295 transitions. [2021-11-19 15:05:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-19 15:05:48,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:05:48,322 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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] [2021-11-19 15:05:48,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:05:48,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:05:48,544 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 15:05:48,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:05:48,544 INFO L85 PathProgramCache]: Analyzing trace with hash 592199636, now seen corresponding path program 1 times [2021-11-19 15:05:48,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:05:48,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108492316] [2021-11-19 15:05:48,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:05:48,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:05:48,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:05:48,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:05:48,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_187babf0-d0d7-4842-b2b9-2bf8671d3e80/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:05:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:05:53,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 5087 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:05:54,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:05:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2021-11-19 15:05:54,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:05:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-19 15:05:55,463 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:05:55,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108492316] [2021-11-19 15:05:55,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108492316] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:05:55,464 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:05:55,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:05:55,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619836122] [2021-11-19 15:05:55,465 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:05:55,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:05:55,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:05:55,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:05:55,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:05:55,466 INFO L87 Difference]: Start difference. First operand 141319 states and 203295 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-19 15:05:57,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:06:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:06:14,963 INFO L93 Difference]: Finished difference Result 453305 states and 647897 transitions. [2021-11-19 15:06:14,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:06:14,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (43), 3 states have call predecessors, (43), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 304 [2021-11-19 15:06:14,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:06:17,051 INFO L225 Difference]: With dead ends: 453305 [2021-11-19 15:06:17,051 INFO L226 Difference]: Without dead ends: 312025 [2021-11-19 15:06:17,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:06:17,572 INFO L933 BasicCegarLoop]: 6171 mSDtfsCounter, 7788 mSDsluCounter, 7777 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7788 SdHoareTripleChecker+Valid, 13948 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-19 15:06:17,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7788 Valid, 13948 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1539 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-19 15:06:17,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312025 states.