./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-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:39,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:39,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:39,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:39,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:39,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:39,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:39,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:39,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:39,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:39,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:39,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:39,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:39,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:39,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:39,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:39,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:39,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:39,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:39,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:39,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:39,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:39,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:39,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:39,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:39,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:39,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:39,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:39,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:39,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:39,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:39,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:39,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:39,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:39,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:39,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:39,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:39,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:39,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:39,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:39,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:39,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:35:39,474 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:39,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:39,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:39,476 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:39,476 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:39,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:39,477 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:39,477 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:35:39,484 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:39,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:39,486 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:35:39,486 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:35:39,486 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:39,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:35:39,487 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:35:39,487 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:35:39,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:39,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:35:39,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:39,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:39,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:39,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:39,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:39,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:39,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:39,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:39,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:39,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:39,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:39,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:39,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:39,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:39,494 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:35:39,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:35:39,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:39,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:39,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:39,495 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_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2021-11-13 02:35:39,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:39,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:39,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:39,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:39,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:39,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-13 02:35:39,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/a44dd6ee5/15fa6ce9193e4ad2a43de8834be76253/FLAG3388a7423 [2021-11-13 02:35:41,219 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:41,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-13 02:35:41,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/a44dd6ee5/15fa6ce9193e4ad2a43de8834be76253/FLAG3388a7423 [2021-11-13 02:35:41,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/a44dd6ee5/15fa6ce9193e4ad2a43de8834be76253 [2021-11-13 02:35:41,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:41,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:41,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:41,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:41,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:41,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:41" (1/1) ... [2021-11-13 02:35:41,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278081ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:41, skipping insertion in model container [2021-11-13 02:35:41,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:41" (1/1) ... [2021-11-13 02:35:41,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:41,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:43,900 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:43,902 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,281 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,297 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,346 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,360 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,386 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,388 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,425 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,447 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,533 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,543 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,544 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,555 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,565 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,633 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,646 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,666 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,676 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,700 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,709 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,719 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,740 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,753 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,763 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,764 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,794 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,795 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,798 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,823 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:44,830 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,573 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,582 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,607 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,617 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,648 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,649 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,663 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,699 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,712 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,731 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,743 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,792 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,802 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,819 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,827 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,835 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,843 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,854 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,855 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,862 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,877 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,905 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,913 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,928 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,947 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,959 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,961 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,968 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,990 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:45,999 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:46,009 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:46,059 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:46,074 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:46,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-13 02:35:46,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-13 02:35:46,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:46,961 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:35:46,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aa6ef4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:46, skipping insertion in model container [2021-11-13 02:35:46,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:46,963 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:35:46,965 INFO L158 Benchmark]: Toolchain (without parser) took 5435.56ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 108.2MB in the beginning and 135.8MB in the end (delta: -27.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2021-11-13 02:35:46,966 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:35:46,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5431.30ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 108.2MB in the beginning and 135.8MB in the end (delta: -27.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2021-11-13 02:35:46,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5431.30ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 108.2MB in the beginning and 135.8MB in the end (delta: -27.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7078]: 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_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:35:49,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:35:49,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:35:49,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:35:49,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:35:49,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:35:49,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:35:49,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:35:49,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:35:49,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:35:49,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:35:49,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:35:49,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:35:49,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:35:49,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:35:49,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:35:49,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:35:49,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:35:49,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:35:49,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:35:49,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:35:49,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:35:49,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:35:49,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:35:49,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:35:49,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:35:49,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:35:49,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:35:49,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:35:49,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:35:49,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:35:49,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:35:49,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:35:49,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:35:49,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:35:49,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:35:49,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:35:49,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:35:49,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:35:49,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:35:49,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:35:49,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:35:49,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:35:49,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:35:49,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:35:49,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:35:49,710 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:35:49,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:35:49,711 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:35:49,711 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:35:49,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:35:49,712 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:35:49,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:35:49,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:35:49,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:35:49,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:35:49,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:35:49,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:35:49,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:35:49,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:35:49,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:35:49,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:35:49,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:35:49,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:35:49,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:35:49,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:35:49,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:35:49,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:35:49,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:35:49,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:35:49,725 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:35:49,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:35:49,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:35:49,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:35:49,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:35:49,726 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_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2021-11-13 02:35:50,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:35:50,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:35:50,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:35:50,255 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:35:50,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:35:50,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-13 02:35:50,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/e8e15a058/1e84247c4a434c679737907fbcac8d14/FLAGe44ff59ee [2021-11-13 02:35:51,648 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:35:51,649 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-13 02:35:51,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/e8e15a058/1e84247c4a434c679737907fbcac8d14/FLAGe44ff59ee [2021-11-13 02:35:51,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/data/e8e15a058/1e84247c4a434c679737907fbcac8d14 [2021-11-13 02:35:51,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:35:51,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:35:51,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:51,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:35:51,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:35:51,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:51" (1/1) ... [2021-11-13 02:35:51,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6492fdf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:51, skipping insertion in model container [2021-11-13 02:35:51,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:51" (1/1) ... [2021-11-13 02:35:51,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:35:52,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:55,934 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:55,982 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:56,052 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:35:56,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-13 02:35:56,899 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-13 02:35:56,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:57,106 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:35:57,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:35:57,865 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-13 02:35:57,866 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-13 02:35:57,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:57,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:35:58,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-13 02:35:58,511 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-13 02:35:58,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:35:58,831 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:35:58,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58 WrapperNode [2021-11-13 02:35:58,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:35:58,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:58,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:35:58,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:35:58,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:35:59,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:35:59,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:35:59,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:35:59,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:35:59,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:36:00,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:36:00,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:36:00,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:36:00,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:36:00,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (1/1) ... [2021-11-13 02:36:00,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:36:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:36:00,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:36:00,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:36:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-13 02:36:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-13 02:36:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-13 02:36:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-13 02:36:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-13 02:36:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-13 02:36:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-13 02:36:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-13 02:36:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-13 02:36:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-13 02:36:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:36:00,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:36:00,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:36:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:36:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-13 02:36:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-13 02:36:00,133 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-13 02:36:00,133 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-13 02:36:00,134 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 02:36:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 02:36:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-13 02:36:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-13 02:36:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:36:00,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:36:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-13 02:36:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-13 02:36:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-13 02:36:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-13 02:36:00,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-13 02:36:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-13 02:36:00,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:36:00,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:36:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-13 02:36:00,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-13 02:36:00,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-13 02:36:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-13 02:36:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-13 02:36:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-13 02:36:00,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:36:00,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:36:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 02:36:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 02:36:00,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-13 02:36:00,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-13 02:36:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:36:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-13 02:36:00,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-13 02:36:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:36:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:36:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:36:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:36:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-13 02:36:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-13 02:36:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-13 02:36:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-13 02:36:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-13 02:36:00,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-13 02:36:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-11-13 02:36:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-11-13 02:36:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:36:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:36:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:36:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:36:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-13 02:36:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-13 02:36:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:36:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:36:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-13 02:36:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-13 02:36:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 02:36:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 02:36:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-13 02:36:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-13 02:36:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:36:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:36:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-13 02:36:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-13 02:36:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 02:36:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 02:36:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:36:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:36:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 02:36:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 02:36:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-13 02:36:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-13 02:36:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-13 02:36:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-13 02:36:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-13 02:36:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-13 02:36:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 02:36:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 02:36:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 02:36:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 02:36:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-13 02:36:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-13 02:36:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-13 02:36:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-13 02:36:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-13 02:36:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-13 02:36:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-13 02:36:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-13 02:36:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:36:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 02:36:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 02:36:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 02:36:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 02:36:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 02:36:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 02:36:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-13 02:36:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-13 02:36:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-13 02:36:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-13 02:36:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:36:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:36:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 02:36:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 02:36:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:36:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:36:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:36:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:36:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 02:36:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:36:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-13 02:36:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-13 02:36:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-13 02:36:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-13 02:36:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-13 02:36:00,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-13 02:36:00,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-13 02:36:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-13 02:36:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-13 02:36:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-13 02:36:00,160 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:36:00,160 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:36:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-13 02:36:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-13 02:36:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-13 02:36:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-13 02:36:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-13 02:36:00,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-13 02:36:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-13 02:36:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-13 02:36:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-13 02:36:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-13 02:36:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:36:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-13 02:36:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-13 02:36:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:36:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:36:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:36:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 02:36:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 02:36:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-13 02:36:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-13 02:36:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:36:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:36:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:36:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:36:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:36:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:36:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:36:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-13 02:36:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-13 02:36:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-13 02:36:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-13 02:36:00,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-13 02:36:00,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-13 02:36:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-13 02:36:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-13 02:36:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-13 02:36:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-13 02:36:00,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-13 02:36:00,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-13 02:36:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-13 02:36:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-13 02:36:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 02:36:00,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 02:36:00,168 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-13 02:36:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-13 02:36:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:36:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:36:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 02:36:00,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 02:36:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-13 02:36:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-13 02:36:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:36:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-13 02:36:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-13 02:36:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:36:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:36:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:36:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:36:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:36:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:36:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-13 02:36:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-13 02:36:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:36:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:36:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-13 02:36:00,172 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-13 02:36:00,172 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-13 02:36:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-13 02:36:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-13 02:36:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-13 02:36:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-13 02:36:00,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-13 02:36:00,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-13 02:36:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-13 02:36:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:36:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:36:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-13 02:36:00,174 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-13 02:36:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:36:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:36:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-13 02:36:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-13 02:36:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:36:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:36:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-13 02:36:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-13 02:36:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:36:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:36:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-13 02:36:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-13 02:36:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-13 02:36:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-13 02:36:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2021-11-13 02:36:00,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2021-11-13 02:36:00,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-13 02:36:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-13 02:36:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-13 02:36:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-13 02:36:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-13 02:36:00,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-13 02:36:00,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:36:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:36:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-13 02:36:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-13 02:36:00,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 02:36:00,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 02:36:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-13 02:36:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-13 02:36:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-13 02:36:00,180 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-13 02:36:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-13 02:36:00,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 02:36:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-13 02:36:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-13 02:36:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-13 02:36:00,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 02:36:00,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 02:36:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-13 02:36:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-13 02:36:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-13 02:36:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-13 02:36:00,182 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-13 02:36:00,182 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-13 02:36:02,130 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:36:46,320 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 02:36:46,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:36:46,532 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:36:46,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:46 BoogieIcfgContainer [2021-11-13 02:36:46,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:36:46,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:36:46,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:36:46,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:36:46,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:35:51" (1/3) ... [2021-11-13 02:36:46,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0aba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:46, skipping insertion in model container [2021-11-13 02:36:46,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:58" (2/3) ... [2021-11-13 02:36:46,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0aba4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:36:46, skipping insertion in model container [2021-11-13 02:36:46,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:36:46" (3/3) ... [2021-11-13 02:36:46,552 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-13 02:36:46,559 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:36:46,559 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:36:46,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:36:46,669 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:36:46,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:36:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) [2021-11-13 02:36:46,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-13 02:36:46,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:46,851 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:46,852 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:36:46,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash -424718439, now seen corresponding path program 1 times [2021-11-13 02:36:46,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:46,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635436146] [2021-11-13 02:36:46,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:46,898 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:46,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:46,905 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:46,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:36:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:55,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:36:55,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-13 02:36:57,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-13 02:36:59,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:59,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635436146] [2021-11-13 02:36:59,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635436146] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:59,074 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:59,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:36:59,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967296640] [2021-11-13 02:36:59,079 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:59,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:36:59,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:59,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:36:59,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:36:59,152 INFO L87 Difference]: Start difference. First operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-13 02:37:01,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:37:25,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:25,431 INFO L93 Difference]: Finished difference Result 11929 states and 18034 transitions. [2021-11-13 02:37:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:37:25,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 471 [2021-11-13 02:37:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:25,586 INFO L225 Difference]: With dead ends: 11929 [2021-11-13 02:37:25,587 INFO L226 Difference]: Without dead ends: 8788 [2021-11-13 02:37:25,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 938 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:37:25,641 INFO L933 BasicCegarLoop]: 6917 mSDtfsCounter, 8848 mSDsluCounter, 7852 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23685.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8848 SdHoareTripleChecker+Valid, 14769 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 112.92ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25106.35ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:25,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8848 Valid, 14769 Invalid, 2507 Unknown, 0 Unchecked, 112.92ms Time], IncrementalHoareTripleChecker [44 Valid, 2462 Invalid, 1 Unknown, 0 Unchecked, 25106.35ms Time] [2021-11-13 02:37:25,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8788 states. [2021-11-13 02:37:26,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8788 to 8775. [2021-11-13 02:37:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8775 states, 5034 states have (on average 1.2506952721493843) internal successors, (6296), 5133 states have internal predecessors, (6296), 3410 states have call successors, (3410), 330 states have call predecessors, (3410), 330 states have return successors, (3446), 3359 states have call predecessors, (3446), 3410 states have call successors, (3446) [2021-11-13 02:37:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8775 states to 8775 states and 13152 transitions. [2021-11-13 02:37:26,703 INFO L78 Accepts]: Start accepts. Automaton has 8775 states and 13152 transitions. Word has length 471 [2021-11-13 02:37:26,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:26,706 INFO L470 AbstractCegarLoop]: Abstraction has 8775 states and 13152 transitions. [2021-11-13 02:37:26,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-13 02:37:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8775 states and 13152 transitions. [2021-11-13 02:37:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-13 02:37:26,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:26,731 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:26,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:26,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:37:26,932 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:37:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:26,933 INFO L85 PathProgramCache]: Analyzing trace with hash -383701072, now seen corresponding path program 1 times [2021-11-13 02:37:26,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:26,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507638332] [2021-11-13 02:37:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:26,939 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:26,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:26,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:26,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:37:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:35,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:37:35,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:36,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-13 02:37:36,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-13 02:37:38,162 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:38,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507638332] [2021-11-13 02:37:38,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507638332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:37:38,162 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:37:38,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:37:38,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468753074] [2021-11-13 02:37:38,163 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:38,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:37:38,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:37:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:37:38,167 INFO L87 Difference]: Start difference. First operand 8775 states and 13152 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:37:40,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:38:07,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:07,427 INFO L93 Difference]: Finished difference Result 34299 states and 51506 transitions. [2021-11-13 02:38:07,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 474 [2021-11-13 02:38:07,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:07,719 INFO L225 Difference]: With dead ends: 34299 [2021-11-13 02:38:07,720 INFO L226 Difference]: Without dead ends: 25601 [2021-11-13 02:38:07,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:38:07,826 INFO L933 BasicCegarLoop]: 6803 mSDtfsCounter, 10841 mSDsluCounter, 6383 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 2295 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25492.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10841 SdHoareTripleChecker+Valid, 13186 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 80.47ms SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27717.49ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:07,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10841 Valid, 13186 Invalid, 4789 Unknown, 0 Unchecked, 80.47ms Time], IncrementalHoareTripleChecker [2295 Valid, 2493 Invalid, 1 Unknown, 0 Unchecked, 27717.49ms Time] [2021-11-13 02:38:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25601 states. [2021-11-13 02:38:10,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25601 to 25570. [2021-11-13 02:38:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25570 states, 14604 states have (on average 1.249178307313065) internal successors, (18243), 14901 states have internal predecessors, (18243), 9975 states have call successors, (9975), 990 states have call predecessors, (9975), 990 states have return successors, (10175), 9822 states have call predecessors, (10175), 9975 states have call successors, (10175) [2021-11-13 02:38:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25570 states to 25570 states and 38393 transitions. [2021-11-13 02:38:10,752 INFO L78 Accepts]: Start accepts. Automaton has 25570 states and 38393 transitions. Word has length 474 [2021-11-13 02:38:10,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:10,753 INFO L470 AbstractCegarLoop]: Abstraction has 25570 states and 38393 transitions. [2021-11-13 02:38:10,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:38:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 25570 states and 38393 transitions. [2021-11-13 02:38:10,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-13 02:38:10,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:10,784 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:10,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-13 02:38:11,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:11,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:38:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:11,011 INFO L85 PathProgramCache]: Analyzing trace with hash -188228085, now seen corresponding path program 1 times [2021-11-13 02:38:11,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:11,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572906515] [2021-11-13 02:38:11,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:11,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:11,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:11,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:11,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:38:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:20,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:38:20,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-13 02:38:21,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-13 02:38:23,303 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:23,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572906515] [2021-11-13 02:38:23,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572906515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:23,303 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:38:23,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:38:23,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399465287] [2021-11-13 02:38:23,304 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:23,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:38:23,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:23,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:38:23,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:38:23,306 INFO L87 Difference]: Start difference. First operand 25570 states and 38393 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:38:25,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:38:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:49,422 INFO L93 Difference]: Finished difference Result 96211 states and 144833 transitions. [2021-11-13 02:38:49,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:38:49,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 474 [2021-11-13 02:38:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:50,151 INFO L225 Difference]: With dead ends: 96211 [2021-11-13 02:38:50,152 INFO L226 Difference]: Without dead ends: 70718 [2021-11-13 02:38:50,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:38:50,515 INFO L933 BasicCegarLoop]: 7474 mSDtfsCounter, 8353 mSDsluCounter, 7583 mSDsCounter, 0 mSdLazyCounter, 2379 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21449.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8353 SdHoareTripleChecker+Valid, 15057 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.05ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2379 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22827.25ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:50,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8353 Valid, 15057 Invalid, 2421 Unknown, 0 Unchecked, 64.05ms Time], IncrementalHoareTripleChecker [41 Valid, 2379 Invalid, 1 Unknown, 0 Unchecked, 22827.25ms Time] [2021-11-13 02:38:50,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70718 states. [2021-11-13 02:38:56,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70718 to 70696. [2021-11-13 02:38:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70696 states, 39582 states have (on average 1.2464756707594362) internal successors, (49338), 40473 states have internal predecessors, (49338), 28269 states have call successors, (28269), 2844 states have call predecessors, (28269), 2844 states have return successors, (28773), 27792 states have call predecessors, (28773), 28269 states have call successors, (28773) [2021-11-13 02:38:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70696 states to 70696 states and 106380 transitions. [2021-11-13 02:38:57,155 INFO L78 Accepts]: Start accepts. Automaton has 70696 states and 106380 transitions. Word has length 474 [2021-11-13 02:38:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:57,156 INFO L470 AbstractCegarLoop]: Abstraction has 70696 states and 106380 transitions. [2021-11-13 02:38:57,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-13 02:38:57,157 INFO L276 IsEmpty]: Start isEmpty. Operand 70696 states and 106380 transitions. [2021-11-13 02:38:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-13 02:38:57,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:57,176 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:57,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:57,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:57,402 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:38:57,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:57,403 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2021-11-13 02:38:57,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:57,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147629124] [2021-11-13 02:38:57,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:57,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:57,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:57,412 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:57,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38206fdd-80d1-415b-8841-8915d085bf15/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:39:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:05,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 4360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:39:05,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-13 02:39:07,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-13 02:39:08,418 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:39:08,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147629124] [2021-11-13 02:39:08,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147629124] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:39:08,418 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:39:08,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:39:08,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742552614] [2021-11-13 02:39:08,418 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:39:08,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:39:08,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:08,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:39:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:08,421 INFO L87 Difference]: Start difference. First operand 70696 states and 106380 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-13 02:39:10,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:39:47,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:47,181 INFO L93 Difference]: Finished difference Result 277297 states and 417738 transitions. [2021-11-13 02:39:47,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:39:47,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 474 [2021-11-13 02:39:47,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:49,666 INFO L225 Difference]: With dead ends: 277297 [2021-11-13 02:39:49,666 INFO L226 Difference]: Without dead ends: 206678 [2021-11-13 02:39:50,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:39:50,246 INFO L933 BasicCegarLoop]: 6803 mSDtfsCounter, 10845 mSDsluCounter, 6393 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 2290 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25872.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10845 SdHoareTripleChecker+Valid, 13196 SdHoareTripleChecker+Invalid, 4768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.05ms SdHoareTripleChecker+Time, 2290 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28228.55ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:50,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10845 Valid, 13196 Invalid, 4768 Unknown, 0 Unchecked, 68.05ms Time], IncrementalHoareTripleChecker [2290 Valid, 2477 Invalid, 1 Unknown, 0 Unchecked, 28228.55ms Time] [2021-11-13 02:39:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206678 states. [2021-11-13 02:40:03,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206678 to 206395. [2021-11-13 02:40:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206395 states, 114774 states have (on average 1.2420670186627634) internal successors, (142557), 117447 states have internal predecessors, (142557), 83088 states have call successors, (83088), 8532 states have call predecessors, (83088), 8532 states have return successors, (85140), 81657 states have call predecessors, (85140), 83088 states have call successors, (85140)