./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:11:41,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:11:41,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:11:41,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:11:41,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:11:41,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:11:41,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:11:41,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:11:41,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:11:41,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:11:41,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:11:41,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:11:41,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:11:41,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:11:41,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:11:41,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:11:41,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:11:41,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:11:41,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:11:41,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:11:41,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:11:41,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:11:41,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:11:41,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:11:41,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:11:41,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:11:41,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:11:41,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:11:41,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:11:41,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:11:41,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:11:41,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:11:41,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:11:41,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:11:41,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:11:41,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:11:41,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:11:41,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:11:41,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:11:41,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:11:41,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:11:41,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:11:41,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:11:41,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:11:41,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:11:41,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:11:41,444 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:11:41,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:11:41,445 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:11:41,445 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:11:41,445 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:11:41,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:11:41,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:11:41,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:11:41,447 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:11:41,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:11:41,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:11:41,448 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:11:41,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:11:41,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:11:41,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:11:41,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:11:41,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:11:41,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:11:41,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:11:41,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:11:41,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:11:41,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:11:41,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:11:41,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:11:41,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:11:41,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:11:41,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:11:41,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:11:41,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:11:41,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:11:41,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:11:41,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:11:41,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:11:41,454 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-12 23:11:41,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:11:41,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:11:41,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:11:41,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:11:41,752 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:11:41,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:11:41,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/4ac08015c/2f993fa5d7694a3eacf06097b8ed878b/FLAGbece73523 [2021-11-12 23:11:43,014 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:11:43,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:11:43,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/4ac08015c/2f993fa5d7694a3eacf06097b8ed878b/FLAGbece73523 [2021-11-12 23:11:43,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/4ac08015c/2f993fa5d7694a3eacf06097b8ed878b [2021-11-12 23:11:43,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:11:43,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:11:43,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:11:43,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:11:43,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:11:43,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:43" (1/1) ... [2021-11-12 23:11:43,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419fbcde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:43, skipping insertion in model container [2021-11-12 23:11:43,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:43" (1/1) ... [2021-11-12 23:11:43,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:11:43,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:11:46,065 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,085 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,086 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,092 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,093 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,093 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,102 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,102 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,102 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,103 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,679 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,683 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,841 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,853 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,856 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,859 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,860 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,861 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,872 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,894 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,917 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,929 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,941 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,958 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,967 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:46,968 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,000 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,002 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,073 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,082 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,101 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,111 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,115 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,126 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,141 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,141 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,198 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,201 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,216 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,217 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,228 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,233 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,242 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,318 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,319 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,320 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,321 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,322 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,325 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,329 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,329 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,330 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,331 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,335 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,336 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,337 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,431 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,433 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,434 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,435 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,457 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,458 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,458 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,489 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,489 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,529 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,550 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,561 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,610 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,611 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,611 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,622 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,622 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,623 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,630 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,632 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,635 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,636 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,637 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,640 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,641 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,642 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,648 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,649 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,652 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,653 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,654 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,654 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,655 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,656 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,658 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,707 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,726 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,736 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,745 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,761 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,769 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,778 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,789 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,811 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,819 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,828 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,836 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,845 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,862 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,879 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,891 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,906 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,919 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,920 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,931 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,941 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,950 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,959 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,968 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,978 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,987 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:47,987 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,015 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,027 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,036 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,045 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,045 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,046 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,061 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,071 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,103 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,105 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,112 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,122 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,127 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,133 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,136 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,136 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,137 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,138 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,139 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,146 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,147 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,147 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,864 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,866 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,868 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,868 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,869 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,870 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,870 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,870 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,871 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,871 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,875 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,875 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,876 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,877 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,878 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,878 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,879 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,880 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,881 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,882 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,883 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,884 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,885 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,886 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,886 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,888 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,888 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,889 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,890 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,891 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,891 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,892 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,893 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,894 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,894 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,895 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,896 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,897 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,898 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,899 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,899 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,908 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,910 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,912 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,914 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,915 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,936 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,979 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:48,987 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:49,843 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-12 23:11:49,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-12 23:11:49,876 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:49,877 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:11:49,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:11:49,951 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) [2021-11-12 23:11:49,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2148631e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:49, skipping insertion in model container [2021-11-12 23:11:49,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:11:49,952 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:11:49,955 INFO L158 Benchmark]: Toolchain (without parser) took 6712.88ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 76.1MB in the beginning and 74.8MB in the end (delta: 1.4MB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2021-11-12 23:11:49,955 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:11:49,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6710.44ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 926.0kB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. [2021-11-12 23:11:49,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6710.44ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 926.0kB). Peak memory consumption was 99.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6785]: 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:11:52,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:11:52,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:11:52,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:11:52,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:11:52,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:11:52,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:11:52,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:11:52,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:11:52,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:11:52,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:11:52,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:11:52,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:11:52,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:11:52,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:11:52,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:11:52,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:11:52,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:11:52,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:11:52,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:11:52,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:11:52,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:11:52,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:11:52,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:11:52,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:11:52,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:11:52,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:11:52,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:11:52,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:11:52,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:11:52,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:11:52,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:11:52,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:11:52,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:11:52,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:11:52,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:11:52,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:11:52,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:11:52,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:11:52,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:11:52,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:11:52,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:11:52,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:11:52,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:11:52,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:11:52,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:11:52,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:11:52,360 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:11:52,360 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:11:52,361 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:11:52,361 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:11:52,361 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:11:52,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:11:52,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:11:52,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:11:52,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:11:52,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:11:52,364 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:11:52,365 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:11:52,365 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:11:52,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:11:52,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:11:52,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:11:52,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:11:52,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:11:52,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:11:52,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:11:52,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:11:52,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:11:52,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:11:52,367 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:11:52,367 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:11:52,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:11:52,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:11:52,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:11:52,368 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-11-12 23:11:52,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:11:52,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:11:52,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:11:52,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:11:52,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:11:52,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:11:52,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/56bb4e5d8/8addbe91f8cf49ebb1a89dc723544ccf/FLAG998f0986a [2021-11-12 23:11:53,994 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:11:53,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:11:54,084 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/56bb4e5d8/8addbe91f8cf49ebb1a89dc723544ccf/FLAG998f0986a [2021-11-12 23:11:54,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/data/56bb4e5d8/8addbe91f8cf49ebb1a89dc723544ccf [2021-11-12 23:11:54,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:11:54,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:11:54,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:11:54,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:11:54,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:11:54,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:54" (1/1) ... [2021-11-12 23:11:54,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c54a76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:11:54, skipping insertion in model container [2021-11-12 23:11:54,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:11:54" (1/1) ... [2021-11-12 23:11:54,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:11:54,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:11:58,739 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:12:01,508 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-12 23:12:01,511 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-12 23:12:01,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:12:01,672 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:12:01,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:12:02,560 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-12 23:12:02,560 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-12 23:12:02,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:12:02,596 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:12:03,303 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-11-12 23:12:03,304 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_d83287fb-41ee-45eb-9ea0-47196a0b5a46/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-11-12 23:12:03,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:12:03,742 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:12:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03 WrapperNode [2021-11-12 23:12:03,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:12:03,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:12:03,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:12:03,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:12:03,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:03,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:04,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:12:04,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:12:04,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:12:04,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:12:04,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:04,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:04,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:04,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:05,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:05,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:05,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:05,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:12:05,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:12:05,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:12:05,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:12:05,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (1/1) ... [2021-11-12 23:12:05,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:12:05,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:05,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:12:05,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:12:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-11-12 23:12:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-11-12 23:12:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-11-12 23:12:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-11-12 23:12:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:12:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-11-12 23:12:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-11-12 23:12:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-12 23:12:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-11-12 23:12:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-11-12 23:12:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-12 23:12:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-12 23:12:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-11-12 23:12:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-11-12 23:12:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:12:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:12:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2021-11-12 23:12:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2021-11-12 23:12:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-11-12 23:12:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-11-12 23:12:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:12:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:12:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:12:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:12:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-11-12 23:12:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-11-12 23:12:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-11-12 23:12:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-11-12 23:12:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-11-12 23:12:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-11-12 23:12:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-11-12 23:12:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-11-12 23:12:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-12 23:12:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-12 23:12:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-12 23:12:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-12 23:12:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:12:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:12:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-11-12 23:12:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-11-12 23:12:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-11-12 23:12:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-11-12 23:12:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-11-12 23:12:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-11-12 23:12:05,675 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:12:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:12:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-11-12 23:12:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-11-12 23:12:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-11-12 23:12:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-11-12 23:12:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-12 23:12:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-12 23:12:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:12:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:12:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-11-12 23:12:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-11-12 23:12:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:12:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-11-12 23:12:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-11-12 23:12:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:12:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:12:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:12:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:12:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-11-12 23:12:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-11-12 23:12:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-11-12 23:12:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-11-12 23:12:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-11-12 23:12:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-11-12 23:12:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:12:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:12:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:12:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:12:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-11-12 23:12:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-11-12 23:12:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-11-12 23:12:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-11-12 23:12:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:12:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:12:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-11-12 23:12:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-12 23:12:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-12 23:12:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-12 23:12:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:12:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-11-12 23:12:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-11-12 23:12:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:12:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-12 23:12:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-12 23:12:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:12:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:12:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:12:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:12:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-11-12 23:12:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-11-12 23:12:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-12 23:12:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-12 23:12:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-11-12 23:12:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-11-12 23:12:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:12:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:12:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-11-12 23:12:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-11-12 23:12:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:12:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:12:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 23:12:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 23:12:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:12:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:12:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-12 23:12:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-12 23:12:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:12:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:12:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-11-12 23:12:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-11-12 23:12:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-11-12 23:12:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-11-12 23:12:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 23:12:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 23:12:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-11-12 23:12:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-11-12 23:12:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:12:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:12:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:12:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:12:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-11-12 23:12:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-11-12 23:12:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-12 23:12:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-12 23:12:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-12 23:12:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-12 23:12:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:12:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:12:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:12:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:12:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-12 23:12:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-12 23:12:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-12 23:12:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-12 23:12:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:12:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:12:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:12:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:12:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:12:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:12:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-11-12 23:12:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-11-12 23:12:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-11-12 23:12:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-11-12 23:12:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:12:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-12 23:12:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-12 23:12:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-12 23:12:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-12 23:12:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-11-12 23:12:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-11-12 23:12:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:12:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:12:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:12:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:12:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:12:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-11-12 23:12:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-11-12 23:12:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-12 23:12:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-12 23:12:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:12:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:12:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:12:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:12:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:12:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:12:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:12:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:12:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:12:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-11-12 23:12:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-11-12 23:12:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-12 23:12:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-12 23:12:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:12:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:12:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-11-12 23:12:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-11-12 23:12:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:12:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:12:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-11-12 23:12:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-11-12 23:12:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:12:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:12:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:12:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:12:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-11-12 23:12:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-11-12 23:12:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-11-12 23:12:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-11-12 23:12:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:12:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:12:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:12:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-11-12 23:12:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-11-12 23:12:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:12:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:12:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-11-12 23:12:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-11-12 23:12:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 23:12:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 23:12:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-12 23:12:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-12 23:12:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:12:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:12:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-11-12 23:12:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-11-12 23:12:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:12:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 23:12:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 23:12:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:12:05,696 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:12:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-12 23:12:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-11-12 23:12:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-12 23:12:05,697 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:12:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:12:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-12 23:12:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-12 23:12:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-12 23:12:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-12 23:12:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-11-12 23:12:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-11-12 23:12:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-11-12 23:12:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-11-12 23:12:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-11-12 23:12:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-11-12 23:12:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-11-12 23:12:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-11-12 23:12:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-12 23:12:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-12 23:12:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-11-12 23:12:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-11-12 23:12:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:12:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:12:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-11-12 23:12:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-11-12 23:12:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:12:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:12:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-12 23:12:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-12 23:12:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 23:12:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 23:12:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-11-12 23:12:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-11-12 23:12:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:12:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:12:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:12:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:12:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-11-12 23:12:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-12 23:12:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-12 23:12:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-11-12 23:12:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-11-12 23:12:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-11-12 23:12:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 23:12:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-11-12 23:12:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:12:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:12:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-11-12 23:12:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-11-12 23:12:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:12:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:12:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 23:12:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 23:12:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-11-12 23:12:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-11-12 23:12:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 23:12:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 23:12:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:12:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:12:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-11-12 23:12:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-11-12 23:12:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-11-12 23:12:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-11-12 23:12:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:12:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:12:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-12 23:12:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-12 23:12:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-11-12 23:12:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-11-12 23:12:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-11-12 23:12:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-11-12 23:12:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-12 23:12:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-12 23:12:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-11-12 23:12:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-11-12 23:12:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-11-12 23:12:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-11-12 23:12:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:12:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:12:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:12:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:12:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-11-12 23:12:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-11-12 23:12:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-11-12 23:12:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-11-12 23:12:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-11-12 23:12:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-11-12 23:12:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:12:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:12:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:12:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:12:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:12:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:12:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-12 23:12:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-12 23:12:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:12:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-11-12 23:12:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-11-12 23:12:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-11-12 23:12:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-11-12 23:12:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-11-12 23:12:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-11-12 23:12:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 23:12:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 23:12:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 23:12:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 23:12:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:12:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:12:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-11-12 23:12:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-11-12 23:12:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-12 23:12:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-12 23:12:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-11-12 23:12:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-11-12 23:12:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:12:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:12:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:12:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:12:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-11-12 23:12:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-11-12 23:12:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-12 23:12:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-12 23:12:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-12 23:12:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-12 23:12:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:12:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:12:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-11-12 23:12:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-11-12 23:12:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-11-12 23:12:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-11-12 23:12:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:12:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:12:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-11-12 23:12:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-11-12 23:12:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-11-12 23:12:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-11-12 23:12:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-11-12 23:12:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-11-12 23:12:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-12 23:12:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-12 23:12:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-11-12 23:12:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-11-12 23:12:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-12 23:12:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-12 23:12:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-12 23:12:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-12 23:12:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-11-12 23:12:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-11-12 23:12:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:12:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:12:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-11-12 23:12:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-11-12 23:12:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 23:12:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 23:12:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-11-12 23:12:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-11-12 23:12:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-11-12 23:12:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-11-12 23:12:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-11-12 23:12:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-11-12 23:12:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-11-12 23:12:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-11-12 23:12:10,021 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:15:51,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:15:51,727 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-12 23:15:51,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:15:51 BoogieIcfgContainer [2021-11-12 23:15:51,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:15:51,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:15:51,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:15:51,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:15:51,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:11:54" (1/3) ... [2021-11-12 23:15:51,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1569db6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:15:51, skipping insertion in model container [2021-11-12 23:15:51,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:03" (2/3) ... [2021-11-12 23:15:51,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1569db6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:15:51, skipping insertion in model container [2021-11-12 23:15:51,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:15:51" (3/3) ... [2021-11-12 23:15:51,746 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-11-12 23:15:51,751 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:15:51,752 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:15:51,844 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:15:51,856 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 [2021-11-12 23:15:51,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:15:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 4457 states, 2939 states have (on average 1.3171146648519905) internal successors, (3871), 3104 states have internal predecessors, (3871), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) [2021-11-12 23:15:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:15:52,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:15:52,011 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:15:52,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:15:52,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:15:52,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1915472770, now seen corresponding path program 1 times [2021-11-12 23:15:52,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:15:52,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600451373] [2021-11-12 23:15:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:15:52,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:15:52,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:15:52,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:15:52,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:16:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:16:27,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:16:27,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:16:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:16:30,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:16:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:16:32,252 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:16:32,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600451373] [2021-11-12 23:16:32,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600451373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:16:32,252 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:16:32,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:16:32,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861543026] [2021-11-12 23:16:32,255 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:16:32,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:16:32,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:16:32,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:16:32,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:16:32,324 INFO L87 Difference]: Start difference. First operand has 4457 states, 2939 states have (on average 1.3171146648519905) internal successors, (3871), 3104 states have internal predecessors, (3871), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-12 23:16:34,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:36,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:16:39,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:16:39,210 INFO L93 Difference]: Finished difference Result 11128 states and 16840 transitions. [2021-11-12 23:16:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:16:39,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 163 [2021-11-12 23:16:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:16:39,313 INFO L225 Difference]: With dead ends: 11128 [2021-11-12 23:16:39,313 INFO L226 Difference]: Without dead ends: 6472 [2021-11-12 23:16:39,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:16:39,387 INFO L933 BasicCegarLoop]: 8333 mSDtfsCounter, 3272 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1192 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5362.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3669 SdHoareTripleChecker+Valid, 30354 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 111.81ms SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5703.72ms IncrementalHoareTripleChecker+Time [2021-11-12 23:16:39,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3669 Valid, 30354 Invalid, 1205 Unknown, 0 Unchecked, 111.81ms Time], IncrementalHoareTripleChecker [1192 Valid, 11 Invalid, 2 Unknown, 0 Unchecked, 5703.72ms Time] [2021-11-12 23:16:39,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6472 states. [2021-11-12 23:16:39,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6472 to 4358. [2021-11-12 23:16:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3101419176185531) internal successors, (3785), 3040 states have internal predecessors, (3785), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-12 23:16:39,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6341 transitions. [2021-11-12 23:16:39,919 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6341 transitions. Word has length 163 [2021-11-12 23:16:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:16:39,924 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6341 transitions. [2021-11-12 23:16:39,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-12 23:16:39,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6341 transitions. [2021-11-12 23:16:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-12 23:16:39,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:16:39,941 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:16:40,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:16:40,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:16:40,167 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:16:40,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:16:40,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1118126149, now seen corresponding path program 1 times [2021-11-12 23:16:40,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:16:40,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006637234] [2021-11-12 23:16:40,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:16:40,184 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:16:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:16:40,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:16:40,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:17:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:17:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 4471 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:17:14,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:17:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-12 23:17:20,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:17:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2021-11-12 23:17:27,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:17:27,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006637234] [2021-11-12 23:17:27,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006637234] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:17:27,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:17:27,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 21 [2021-11-12 23:17:27,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983374104] [2021-11-12 23:17:27,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:17:27,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-12 23:17:27,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:17:27,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-12 23:17:27,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:17:27,947 INFO L87 Difference]: Start difference. First operand 4358 states and 6341 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-12 23:17:46,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:17:46,688 INFO L93 Difference]: Finished difference Result 6266 states and 9110 transitions. [2021-11-12 23:17:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:17:46,689 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 196 [2021-11-12 23:17:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:17:46,745 INFO L225 Difference]: With dead ends: 6266 [2021-11-12 23:17:46,746 INFO L226 Difference]: Without dead ends: 4358 [2021-11-12 23:17:46,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2021-11-12 23:17:46,765 INFO L933 BasicCegarLoop]: 6282 mSDtfsCounter, 15 mSDsluCounter, 62706 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15321.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 68988 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 116.97ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15494.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:17:46,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 68988 Invalid, 747 Unknown, 0 Unchecked, 116.97ms Time], IncrementalHoareTripleChecker [18 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 15494.20ms Time] [2021-11-12 23:17:46,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2021-11-12 23:17:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 4358. [2021-11-12 23:17:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3094496365524404) internal successors, (3783), 3040 states have internal predecessors, (3783), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-12 23:17:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6339 transitions. [2021-11-12 23:17:47,042 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6339 transitions. Word has length 196 [2021-11-12 23:17:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:17:47,043 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6339 transitions. [2021-11-12 23:17:47,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2021-11-12 23:17:47,045 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6339 transitions. [2021-11-12 23:17:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:17:47,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:17:47,048 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:17:47,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:17:47,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:17:47,252 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:17:47,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:17:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash 48764096, now seen corresponding path program 1 times [2021-11-12 23:17:47,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:17:47,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442353708] [2021-11-12 23:17:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:17:47,263 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:17:47,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:17:47,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:17:47,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:18:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:22,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:18:22,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:18:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:18:24,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:18:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:18:26,297 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:18:26,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442353708] [2021-11-12 23:18:26,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442353708] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:26,297 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:26,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:18:26,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169206292] [2021-11-12 23:18:26,298 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:26,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:18:26,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:18:26,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:18:26,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:26,299 INFO L87 Difference]: Start difference. First operand 4358 states and 6339 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-12 23:18:28,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:18:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:28,240 INFO L93 Difference]: Finished difference Result 8692 states and 12649 transitions. [2021-11-12 23:18:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:18:28,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 163 [2021-11-12 23:18:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:28,321 INFO L225 Difference]: With dead ends: 8692 [2021-11-12 23:18:28,321 INFO L226 Difference]: Without dead ends: 4355 [2021-11-12 23:18:28,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:18:28,352 INFO L933 BasicCegarLoop]: 6336 mSDtfsCounter, 0 mSDsluCounter, 6332 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1767.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1768.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:28,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12668 Invalid, 3 Unknown, 0 Unchecked, 16.14ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1768.65ms Time] [2021-11-12 23:18:28,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2021-11-12 23:18:28,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2021-11-12 23:18:28,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 2886 states have (on average 1.3090783090783091) internal successors, (3778), 3037 states have internal predecessors, (3778), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-12 23:18:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6334 transitions. [2021-11-12 23:18:28,568 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6334 transitions. Word has length 163 [2021-11-12 23:18:28,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:28,569 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 6334 transitions. [2021-11-12 23:18:28,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-12 23:18:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6334 transitions. [2021-11-12 23:18:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:18:28,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:28,572 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:18:28,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:18:28,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:18:28,795 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:18:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:28,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2033914244, now seen corresponding path program 1 times [2021-11-12 23:18:28,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:18:28,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779708697] [2021-11-12 23:18:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:28,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:18:28,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:18:28,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:18:28,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:19:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:04,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:19:04,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:19:06,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:19:07,800 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:07,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779708697] [2021-11-12 23:19:07,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779708697] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:19:07,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:19:07,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-12 23:19:07,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994315922] [2021-11-12 23:19:07,801 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:07,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:19:07,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:07,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:19:07,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:19:07,802 INFO L87 Difference]: Start difference. First operand 4355 states and 6334 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:19:09,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:19:10,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:19:12,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:12,912 INFO L93 Difference]: Finished difference Result 10773 states and 15858 transitions. [2021-11-12 23:19:12,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:19:12,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 163 [2021-11-12 23:19:12,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:12,974 INFO L225 Difference]: With dead ends: 10773 [2021-11-12 23:19:12,974 INFO L226 Difference]: Without dead ends: 6452 [2021-11-12 23:19:12,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:19:13,000 INFO L933 BasicCegarLoop]: 8254 mSDtfsCounter, 2913 mSDsluCounter, 21517 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4170.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 29771 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.34ms SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4422.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:13,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3288 Valid, 29771 Invalid, 1139 Unknown, 0 Unchecked, 43.34ms Time], IncrementalHoareTripleChecker [1126 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4422.34ms Time] [2021-11-12 23:19:13,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6452 states. [2021-11-12 23:19:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6452 to 4358. [2021-11-12 23:19:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2889 states have (on average 1.3087573554863274) internal successors, (3781), 3040 states have internal predecessors, (3781), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-12 23:19:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6337 transitions. [2021-11-12 23:19:13,248 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6337 transitions. Word has length 163 [2021-11-12 23:19:13,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:13,249 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6337 transitions. [2021-11-12 23:19:13,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:19:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6337 transitions. [2021-11-12 23:19:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:19:13,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:13,254 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:13,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:19:13,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:13,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:19:13,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash 75339458, now seen corresponding path program 1 times [2021-11-12 23:19:13,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:13,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372774373] [2021-11-12 23:19:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:13,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:13,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:13,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:13,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:19:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:19:49,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:19:49,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:19:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:19:50,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:19:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:19:52,104 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:19:52,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372774373] [2021-11-12 23:19:52,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372774373] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:19:52,105 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:19:52,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:19:52,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097131211] [2021-11-12 23:19:52,105 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:19:52,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:19:52,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:19:52,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:19:52,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:19:52,107 INFO L87 Difference]: Start difference. First operand 4358 states and 6337 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:19:52,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:19:52,334 INFO L93 Difference]: Finished difference Result 8679 states and 12631 transitions. [2021-11-12 23:19:52,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:19:52,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 163 [2021-11-12 23:19:52,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:19:52,370 INFO L225 Difference]: With dead ends: 8679 [2021-11-12 23:19:52,370 INFO L226 Difference]: Without dead ends: 4355 [2021-11-12 23:19:52,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:19:52,391 INFO L933 BasicCegarLoop]: 6334 mSDtfsCounter, 0 mSDsluCounter, 12660 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18994 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.74ms IncrementalHoareTripleChecker+Time [2021-11-12 23:19:52,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 18994 Invalid, 6 Unknown, 0 Unchecked, 13.77ms Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 113.74ms Time] [2021-11-12 23:19:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4355 states. [2021-11-12 23:19:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4355 to 4355. [2021-11-12 23:19:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 2886 states have (on average 1.3083853083853083) internal successors, (3776), 3037 states have internal predecessors, (3776), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2021-11-12 23:19:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6332 transitions. [2021-11-12 23:19:52,586 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6332 transitions. Word has length 163 [2021-11-12 23:19:52,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:19:52,586 INFO L470 AbstractCegarLoop]: Abstraction has 4355 states and 6332 transitions. [2021-11-12 23:19:52,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:19:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6332 transitions. [2021-11-12 23:19:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:19:52,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:19:52,590 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:19:52,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-12 23:19:52,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:19:52,815 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:19:52,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:19:52,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1263180678, now seen corresponding path program 1 times [2021-11-12 23:19:52,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:19:52,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563906126] [2021-11-12 23:19:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:19:52,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:19:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:19:52,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:19:52,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:20:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:20:28,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:20:28,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:20:30,300 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-12 23:20:30,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:20:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:20:31,427 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:20:31,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563906126] [2021-11-12 23:20:31,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563906126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:20:31,428 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:20:31,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:20:31,428 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055726559] [2021-11-12 23:20:31,428 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:20:31,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:20:31,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:20:31,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:20:31,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:20:31,429 INFO L87 Difference]: Start difference. First operand 4355 states and 6332 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:20:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:20:35,634 INFO L93 Difference]: Finished difference Result 10044 states and 14735 transitions. [2021-11-12 23:20:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:20:35,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 163 [2021-11-12 23:20:35,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:20:35,666 INFO L225 Difference]: With dead ends: 10044 [2021-11-12 23:20:35,667 INFO L226 Difference]: Without dead ends: 5730 [2021-11-12 23:20:35,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:20:35,689 INFO L933 BasicCegarLoop]: 7258 mSDtfsCounter, 2002 mSDsluCounter, 14001 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3446.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 21259 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.09ms SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3667.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:20:35,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2481 Valid, 21259 Invalid, 514 Unknown, 0 Unchecked, 24.09ms Time], IncrementalHoareTripleChecker [378 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 3667.42ms Time] [2021-11-12 23:20:35,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2021-11-12 23:20:35,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 4366. [2021-11-12 23:20:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 2896 states have (on average 1.308011049723757) internal successors, (3788), 3047 states have internal predecessors, (3788), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 190 states have return successors, (1279), 1217 states have call predecessors, (1279), 1279 states have call successors, (1279) [2021-11-12 23:20:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6346 transitions. [2021-11-12 23:20:35,896 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6346 transitions. Word has length 163 [2021-11-12 23:20:35,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:20:35,898 INFO L470 AbstractCegarLoop]: Abstraction has 4366 states and 6346 transitions. [2021-11-12 23:20:35,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-12 23:20:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6346 transitions. [2021-11-12 23:20:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-12 23:20:35,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:20:35,902 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:20:36,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:20:36,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:20:36,117 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:20:36,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:20:36,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1345606780, now seen corresponding path program 1 times [2021-11-12 23:20:36,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:20:36,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457737943] [2021-11-12 23:20:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:20:36,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:20:36,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:20:36,134 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:20:36,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:21:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:12,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 4649 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-12 23:21:12,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:21:14,358 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:21:14,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:21:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-12 23:21:16,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:21:16,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457737943] [2021-11-12 23:21:16,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457737943] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:21:16,907 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:21:16,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-12 23:21:16,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638004877] [2021-11-12 23:21:16,907 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:21:16,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:21:16,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:21:16,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:21:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:21:16,909 INFO L87 Difference]: Start difference. First operand 4366 states and 6346 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:21:19,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:21:21,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:21:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:21:22,423 INFO L93 Difference]: Finished difference Result 8693 states and 12655 transitions. [2021-11-12 23:21:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:21:22,425 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) Word has length 163 [2021-11-12 23:21:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:21:22,452 INFO L225 Difference]: With dead ends: 8693 [2021-11-12 23:21:22,453 INFO L226 Difference]: Without dead ends: 4375 [2021-11-12 23:21:22,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:21:22,477 INFO L933 BasicCegarLoop]: 6329 mSDtfsCounter, 11 mSDsluCounter, 31626 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4822.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37955 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.41ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4909.66ms IncrementalHoareTripleChecker+Time [2021-11-12 23:21:22,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 37955 Invalid, 37 Unknown, 0 Unchecked, 50.41ms Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 4909.66ms Time] [2021-11-12 23:21:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2021-11-12 23:21:22,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4371. [2021-11-12 23:21:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 2900 states have (on average 1.3075862068965518) internal successors, (3792), 3051 states have internal predecessors, (3792), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 191 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-12 23:21:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6352 transitions. [2021-11-12 23:21:22,646 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6352 transitions. Word has length 163 [2021-11-12 23:21:22,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:21:22,647 INFO L470 AbstractCegarLoop]: Abstraction has 4371 states and 6352 transitions. [2021-11-12 23:21:22,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 8 states have internal predecessors, (99), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:21:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6352 transitions. [2021-11-12 23:21:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 23:21:22,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:21:22,652 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:21:22,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:21:22,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:21:22,875 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:21:22,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:21:22,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1210976110, now seen corresponding path program 1 times [2021-11-12 23:21:22,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:21:22,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2088930226] [2021-11-12 23:21:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:21:22,886 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:21:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:21:22,887 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:21:22,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:21:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:21:59,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 4935 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:21:59,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-12 23:22:00,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-12 23:22:03,167 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:03,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2088930226] [2021-11-12 23:22:03,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2088930226] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:22:03,167 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:22:03,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-12 23:22:03,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612392008] [2021-11-12 23:22:03,167 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:22:03,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:22:03,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:22:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:22:03,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:22:03,169 INFO L87 Difference]: Start difference. First operand 4371 states and 6352 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:22:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:22:06,448 INFO L93 Difference]: Finished difference Result 8703 states and 12860 transitions. [2021-11-12 23:22:06,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:22:06,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 236 [2021-11-12 23:22:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:22:06,482 INFO L225 Difference]: With dead ends: 8703 [2021-11-12 23:22:06,482 INFO L226 Difference]: Without dead ends: 4378 [2021-11-12 23:22:06,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:22:06,505 INFO L933 BasicCegarLoop]: 6299 mSDtfsCounter, 9 mSDsluCounter, 6299 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2690.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12598 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.27ms SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2772.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:22:06,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 12598 Invalid, 212 Unknown, 0 Unchecked, 18.27ms Time], IncrementalHoareTripleChecker [100 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2772.92ms Time] [2021-11-12 23:22:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-12 23:22:06,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-12 23:22:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.307639366827254) internal successors, (3800), 3057 states have internal predecessors, (3800), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-12 23:22:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6360 transitions. [2021-11-12 23:22:06,667 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6360 transitions. Word has length 236 [2021-11-12 23:22:06,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:22:06,668 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6360 transitions. [2021-11-12 23:22:06,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 states have internal predecessors, (113), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:22:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6360 transitions. [2021-11-12 23:22:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-12 23:22:06,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:22:06,672 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:22:06,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:22:06,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:22:06,887 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:22:06,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:22:06,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1057288736, now seen corresponding path program 1 times [2021-11-12 23:22:06,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:22:06,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120922287] [2021-11-12 23:22:06,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:06,905 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:22:06,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:22:06,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:22:06,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:22:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:43,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 4761 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:22:43,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:22:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-12 23:22:45,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:22:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-12 23:22:49,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:22:49,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120922287] [2021-11-12 23:22:49,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120922287] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:22:49,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [114105584] [2021-11-12 23:22:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:22:49,279 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:22:49,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:22:49,281 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:22:49,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:22:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:22:55,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 4761 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:22:55,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-12 23:23:03,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-12 23:23:07,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [114105584] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:07,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:23:07,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [6, 6] total 13 [2021-11-12 23:23:07,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462586089] [2021-11-12 23:23:07,067 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:07,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:23:07,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:23:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:23:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:23:07,069 INFO L87 Difference]: Start difference. First operand 4378 states and 6360 transitions. Second operand has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:23:10,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:24:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:24:06,197 INFO L93 Difference]: Finished difference Result 8708 states and 12725 transitions. [2021-11-12 23:24:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:24:06,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) Word has length 197 [2021-11-12 23:24:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:24:06,229 INFO L225 Difference]: With dead ends: 8708 [2021-11-12 23:24:06,230 INFO L226 Difference]: Without dead ends: 4378 [2021-11-12 23:24:06,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:24:06,253 INFO L933 BasicCegarLoop]: 6330 mSDtfsCounter, 6236 mSDsluCounter, 3773 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57062.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6236 SdHoareTripleChecker+Valid, 10103 SdHoareTripleChecker+Invalid, 2591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.54ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58695.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:24:06,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6236 Valid, 10103 Invalid, 2591 Unknown, 0 Unchecked, 53.54ms Time], IncrementalHoareTripleChecker [32 Valid, 2558 Invalid, 1 Unknown, 0 Unchecked, 58695.32ms Time] [2021-11-12 23:24:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4378 states. [2021-11-12 23:24:06,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4378 to 4378. [2021-11-12 23:24:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4378 states, 2906 states have (on average 1.3072952512044047) internal successors, (3799), 3057 states have internal predecessors, (3799), 1279 states have call successors, (1279), 191 states have call predecessors, (1279), 192 states have return successors, (1281), 1218 states have call predecessors, (1281), 1279 states have call successors, (1281) [2021-11-12 23:24:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 4378 states and 6359 transitions. [2021-11-12 23:24:06,442 INFO L78 Accepts]: Start accepts. Automaton has 4378 states and 6359 transitions. Word has length 197 [2021-11-12 23:24:06,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:24:06,447 INFO L470 AbstractCegarLoop]: Abstraction has 4378 states and 6359 transitions. [2021-11-12 23:24:06,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.2) internal successors, (191), 5 states have internal predecessors, (191), 3 states have call successors, (48), 3 states have call predecessors, (48), 4 states have return successors, (44), 4 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-12 23:24:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4378 states and 6359 transitions. [2021-11-12 23:24:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-12 23:24:06,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:24:06,453 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:24:06,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:06,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:24:06,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:24:06,875 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:24:06,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:24:06,876 INFO L85 PathProgramCache]: Analyzing trace with hash 331583894, now seen corresponding path program 1 times [2021-11-12 23:24:06,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:24:06,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700249753] [2021-11-12 23:24:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:06,896 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:24:06,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:24:06,898 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:24:06,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:24:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:43,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:24:43,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:24:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-12 23:24:45,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:24:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-12 23:24:49,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:24:49,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700249753] [2021-11-12 23:24:49,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700249753] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:24:49,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2063634696] [2021-11-12 23:24:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:24:49,536 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:24:49,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:24:49,541 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:24:49,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d83287fb-41ee-45eb-9ea0-47196a0b5a46/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-12 23:24:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:24:55,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:24:55,336 INFO L286 TraceCheckSpWp]: Computing forward predicates...