./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:44:30,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:44:30,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:44:30,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:44:30,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:44:30,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:44:30,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:44:30,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:44:30,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:44:30,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:44:30,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:44:30,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:44:30,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:44:30,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:44:30,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:44:30,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:44:30,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:44:30,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:44:30,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:44:30,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:44:30,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:44:30,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:44:30,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:44:30,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:44:30,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:44:30,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:44:30,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:44:30,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:44:30,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:44:30,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:44:30,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:44:30,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:44:30,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:44:30,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:44:30,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:44:30,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:44:30,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:44:30,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:44:30,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:44:30,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:44:30,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:44:30,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:44:30,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:44:30,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:44:30,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:44:30,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:44:30,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:44:30,289 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:44:30,289 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:44:30,289 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:44:30,295 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:44:30,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:44:30,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:44:30,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:44:30,297 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:44:30,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:44:30,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:44:30,298 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:44:30,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:44:30,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:44:30,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:44:30,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:44:30,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:44:30,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:44:30,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:44:30,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:44:30,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:44:30,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:44:30,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:44:30,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:44:30,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:30,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:44:30,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:44:30,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:44:30,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:44:30,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:44:30,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:44:30,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:44:30,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:44:30,304 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_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2021-11-19 14:44:30,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:44:30,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:44:30,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:44:30,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:44:30,617 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:44:30,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-19 14:44:30,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/74631f58b/f3153fa4d639473d836bdffed2dc868f/FLAGbfdca09da [2021-11-19 14:44:31,693 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:44:31,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-19 14:44:31,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/74631f58b/f3153fa4d639473d836bdffed2dc868f/FLAGbfdca09da [2021-11-19 14:44:32,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/74631f58b/f3153fa4d639473d836bdffed2dc868f [2021-11-19 14:44:32,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:44:32,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:44:32,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:32,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:44:32,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:44:32,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:32" (1/1) ... [2021-11-19 14:44:32,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e0f50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:32, skipping insertion in model container [2021-11-19 14:44:32,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:32" (1/1) ... [2021-11-19 14:44:32,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:44:32,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:34,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,116 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,357 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,367 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,387 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,398 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,398 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,408 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,429 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,446 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,447 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,456 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,465 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,465 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,474 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,483 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,499 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,508 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,517 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,525 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,541 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,548 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,563 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,573 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,573 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,580 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,581 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,605 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,606 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,607 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,628 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:34,629 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,298 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,298 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,300 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,300 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,305 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,313 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,326 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,336 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,393 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,394 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,406 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,445 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,458 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,486 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,501 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,512 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,525 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,532 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,539 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,541 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,550 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,551 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,557 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,570 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,582 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,594 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,595 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,600 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,613 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,630 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,640 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,642 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,650 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,668 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,675 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,682 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,715 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:35,726 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:36,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-19 14:44:36,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-19 14:44:36,460 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:36,582 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:44:36,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6405a1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:36, skipping insertion in model container [2021-11-19 14:44:36,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:36,584 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:44:36,586 INFO L158 Benchmark]: Toolchain (without parser) took 4571.10ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 69.9MB in the beginning and 82.0MB in the end (delta: -12.1MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-11-19 14:44:36,587 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 104.9MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:44:36,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4562.54ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 69.6MB in the beginning and 82.0MB in the end (delta: -12.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2021-11-19 14:44:36,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 104.9MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4562.54ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 69.6MB in the beginning and 82.0MB in the end (delta: -12.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7078]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:44:38,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:44:38,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:44:38,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:44:38,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:44:38,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:44:38,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:44:38,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:44:38,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:44:38,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:44:38,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:44:38,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:44:38,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:44:38,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:44:38,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:44:38,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:44:38,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:44:38,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:44:38,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:44:38,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:44:38,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:44:39,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:44:39,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:44:39,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:44:39,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:44:39,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:44:39,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:44:39,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:44:39,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:44:39,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:44:39,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:44:39,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:44:39,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:44:39,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:44:39,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:44:39,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:44:39,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:44:39,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:44:39,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:44:39,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:44:39,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:44:39,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:44:39,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:44:39,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:44:39,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:44:39,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:44:39,089 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:44:39,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:44:39,090 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:44:39,090 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:44:39,090 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:44:39,090 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:44:39,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:44:39,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:44:39,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:44:39,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:44:39,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:44:39,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:44:39,094 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:44:39,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:44:39,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:44:39,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:44:39,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:44:39,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:44:39,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:44:39,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:44:39,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:39,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:44:39,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:44:39,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:44:39,096 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:44:39,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:44:39,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:44:39,097 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:44:39,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:44:39,097 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_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2021-11-19 14:44:39,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:44:39,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:44:39,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:44:39,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:44:39,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:44:39,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-19 14:44:39,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/eadace562/2145fc1507bc49d48c34d53464bbb359/FLAG8e1435f7d [2021-11-19 14:44:40,691 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:44:40,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-19 14:44:40,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/eadace562/2145fc1507bc49d48c34d53464bbb359/FLAG8e1435f7d [2021-11-19 14:44:40,968 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/data/eadace562/2145fc1507bc49d48c34d53464bbb359 [2021-11-19 14:44:40,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:44:40,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:44:40,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:40,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:44:40,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:44:40,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:40" (1/1) ... [2021-11-19 14:44:40,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716d57f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40, skipping insertion in model container [2021-11-19 14:44:40,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:40" (1/1) ... [2021-11-19 14:44:40,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:44:41,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:44,646 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:44,694 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:44,738 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:44:45,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-19 14:44:45,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-19 14:44:45,581 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:45,677 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:44:45,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:44:46,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-19 14:44:46,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-19 14:44:46,203 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:46,289 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:44:46,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2021-11-19 14:44:46,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2021-11-19 14:44:46,779 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:44:47,177 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:44:47,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47 WrapperNode [2021-11-19 14:44:47,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:44:47,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:47,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:44:47,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:44:47,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,533 INFO L137 Inliner]: procedures = 536, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6647 [2021-11-19 14:44:47,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:44:47,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:44:47,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:44:47,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:44:47,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:47,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:48,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:48,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:44:48,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:44:48,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:44:48,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:44:48,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (1/1) ... [2021-11-19 14:44:48,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:44:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:44:48,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:44:48,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:44:48,135 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-19 14:44:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-19 14:44:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-19 14:44:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-19 14:44:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-19 14:44:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-19 14:44:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-19 14:44:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-19 14:44:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:44:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:44:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:44:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:44:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:44:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:44:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-19 14:44:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-19 14:44:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-19 14:44:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-19 14:44:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:44:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:44:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:44:48,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:44:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:44:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:44:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-19 14:44:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-19 14:44:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-19 14:44:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-19 14:44:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-19 14:44:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-19 14:44:48,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:44:48,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:44:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-19 14:44:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-19 14:44:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-19 14:44:48,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-19 14:44:48,142 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-19 14:44:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-19 14:44:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:44:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:44:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:44:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:44:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-19 14:44:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-19 14:44:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:44:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-19 14:44:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-19 14:44:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:44:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:44:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:44:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:44:48,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-19 14:44:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-19 14:44:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-19 14:44:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-19 14:44:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-19 14:44:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-19 14:44:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-11-19 14:44:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-11-19 14:44:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:44:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:44:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 14:44:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 14:44:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-19 14:44:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-19 14:44:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:44:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:44:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-19 14:44:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-19 14:44:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:44:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:44:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-19 14:44:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-19 14:44:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:44:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:44:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:44:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:44:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:44:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:44:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:44:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:44:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:44:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:44:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 14:44:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 14:44:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-19 14:44:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-19 14:44:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-19 14:44:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-19 14:44:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:44:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:44:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:44:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:44:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-19 14:44:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-19 14:44:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-19 14:44:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-19 14:44:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-19 14:44:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-19 14:44:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 14:44:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 14:44:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:44:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:44:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:44:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:44:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:44:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:44:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:44:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:44:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-19 14:44:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-19 14:44:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-19 14:44:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-19 14:44:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:44:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:44:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:44:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:44:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:44:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:44:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:44:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:44:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:44:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:44:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:44:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-19 14:44:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-19 14:44:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-19 14:44:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-19 14:44:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-19 14:44:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-19 14:44:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-19 14:44:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-19 14:44:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-19 14:44:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:44:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:44:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-19 14:44:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-19 14:44:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-19 14:44:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-19 14:44:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-19 14:44:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-19 14:44:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-19 14:44:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-19 14:44:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-19 14:44:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-19 14:44:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:44:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 14:44:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 14:44:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:44:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:44:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:44:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:44:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:44:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-19 14:44:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-19 14:44:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:44:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:44:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:44:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:44:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:44:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:44:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:44:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-19 14:44:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-19 14:44:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-19 14:44:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-19 14:44:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-19 14:44:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-19 14:44:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-19 14:44:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-19 14:44:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-19 14:44:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-19 14:44:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 14:44:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 14:44:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:44:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:44:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:44:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:44:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-19 14:44:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-19 14:44:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:44:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:44:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:44:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:44:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-19 14:44:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-19 14:44:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:44:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-19 14:44:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:44:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:44:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 14:44:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 14:44:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:44:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:44:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-19 14:44:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-19 14:44:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-19 14:44:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-19 14:44:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-19 14:44:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-19 14:44:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 14:44:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 14:44:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-19 14:44:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-19 14:44:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:44:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:44:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-19 14:44:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-19 14:44:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:44:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:44:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-19 14:44:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-19 14:44:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:44:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:44:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 14:44:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 14:44:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:44:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-19 14:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-19 14:44:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-19 14:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-19 14:44:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2021-11-19 14:44:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2021-11-19 14:44:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-19 14:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-19 14:44:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 14:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 14:44:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-19 14:44:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-19 14:44:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:44:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:44:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-19 14:44:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-19 14:44:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:44:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:44:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-19 14:44:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-19 14:44:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-19 14:44:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-19 14:44:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:44:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:44:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-19 14:44:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-19 14:44:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-19 14:44:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:44:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:44:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-19 14:44:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-19 14:44:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-19 14:44:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-19 14:44:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-19 14:44:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-19 14:44:49,284 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:44:49,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:44:49,656 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:45:29,412 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:45:29,544 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:45:29,586 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:45:29,586 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:45:29,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:29 BoogieIcfgContainer [2021-11-19 14:45:29,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:45:29,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:45:29,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:45:29,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:45:29,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:44:40" (1/3) ... [2021-11-19 14:45:29,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c34b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:45:29, skipping insertion in model container [2021-11-19 14:45:29,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:47" (2/3) ... [2021-11-19 14:45:29,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c34b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:45:29, skipping insertion in model container [2021-11-19 14:45:29,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:29" (3/3) ... [2021-11-19 14:45:29,604 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-19 14:45:29,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:45:29,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:45:29,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:45:29,711 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:45:29,712 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:45:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) [2021-11-19 14:45:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2021-11-19 14:45:29,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:29,878 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:29,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:29,884 INFO L85 PathProgramCache]: Analyzing trace with hash -424718439, now seen corresponding path program 1 times [2021-11-19 14:45:29,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:45:29,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732200708] [2021-11-19 14:45:29,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:29,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:45:29,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:45:29,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:45:29,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:45:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:36,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 4126 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:45:36,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-19 14:45:37,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-19 14:45:39,339 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:45:39,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732200708] [2021-11-19 14:45:39,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732200708] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:39,340 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:39,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:45:39,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913008157] [2021-11-19 14:45:39,344 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:39,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:45:39,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:45:39,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:45:39,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:39,401 INFO L87 Difference]: Start difference. First operand has 3094 states, 1771 states have (on average 1.2552230378317335) internal successors, (2223), 1807 states have internal predecessors, (2223), 1210 states have call successors, (1210), 113 states have call predecessors, (1210), 112 states have return successors, (1202), 1185 states have call predecessors, (1202), 1202 states have call successors, (1202) Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-19 14:45:41,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:46:07,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:07,930 INFO L93 Difference]: Finished difference Result 11929 states and 18034 transitions. [2021-11-19 14:46:07,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:46:07,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 471 [2021-11-19 14:46:07,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:08,125 INFO L225 Difference]: With dead ends: 11929 [2021-11-19 14:46:08,125 INFO L226 Difference]: Without dead ends: 8788 [2021-11-19 14:46:08,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 938 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:46:08,196 INFO L933 BasicCegarLoop]: 6917 mSDtfsCounter, 8848 mSDsluCounter, 7852 mSDsCounter, 0 mSdLazyCounter, 2462 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8848 SdHoareTripleChecker+Valid, 14769 SdHoareTripleChecker+Invalid, 2507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:08,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8848 Valid, 14769 Invalid, 2507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 2462 Invalid, 1 Unknown, 0 Unchecked, 27.3s Time] [2021-11-19 14:46:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8788 states. [2021-11-19 14:46:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8788 to 8775. [2021-11-19 14:46:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8775 states, 5034 states have (on average 1.2506952721493843) internal successors, (6296), 5133 states have internal predecessors, (6296), 3410 states have call successors, (3410), 330 states have call predecessors, (3410), 330 states have return successors, (3446), 3359 states have call predecessors, (3446), 3410 states have call successors, (3446) [2021-11-19 14:46:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8775 states to 8775 states and 13152 transitions. [2021-11-19 14:46:09,350 INFO L78 Accepts]: Start accepts. Automaton has 8775 states and 13152 transitions. Word has length 471 [2021-11-19 14:46:09,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:46:09,358 INFO L470 AbstractCegarLoop]: Abstraction has 8775 states and 13152 transitions. [2021-11-19 14:46:09,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-19 14:46:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 8775 states and 13152 transitions. [2021-11-19 14:46:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-19 14:46:09,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:46:09,391 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:46:09,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:46:09,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:46:09,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:46:09,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:46:09,608 INFO L85 PathProgramCache]: Analyzing trace with hash -383701072, now seen corresponding path program 1 times [2021-11-19 14:46:09,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:46:09,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023957908] [2021-11-19 14:46:09,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:46:09,616 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:46:09,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:46:09,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:46:09,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:46:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:46:16,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 4183 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:46:16,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:46:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-19 14:46:18,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:46:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-19 14:46:19,541 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:46:19,541 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023957908] [2021-11-19 14:46:19,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023957908] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:46:19,542 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:46:19,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:46:19,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186132281] [2021-11-19 14:46:19,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:46:19,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:46:19,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:46:19,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:46:19,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:46:19,547 INFO L87 Difference]: Start difference. First operand 8775 states and 13152 transitions. Second operand has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:46:21,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:46:52,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:46:52,268 INFO L93 Difference]: Finished difference Result 34299 states and 51506 transitions. [2021-11-19 14:46:52,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:46:52,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 474 [2021-11-19 14:46:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:46:52,672 INFO L225 Difference]: With dead ends: 34299 [2021-11-19 14:46:52,673 INFO L226 Difference]: Without dead ends: 25601 [2021-11-19 14:46:52,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:46:52,755 INFO L933 BasicCegarLoop]: 6803 mSDtfsCounter, 10841 mSDsluCounter, 6383 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 2295 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10841 SdHoareTripleChecker+Valid, 13186 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2295 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:46:52,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10841 Valid, 13186 Invalid, 4789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2295 Valid, 2493 Invalid, 1 Unknown, 0 Unchecked, 31.2s Time] [2021-11-19 14:46:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25601 states. [2021-11-19 14:46:55,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25601 to 25570. [2021-11-19 14:46:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25570 states, 14604 states have (on average 1.249178307313065) internal successors, (18243), 14901 states have internal predecessors, (18243), 9975 states have call successors, (9975), 990 states have call predecessors, (9975), 990 states have return successors, (10175), 9822 states have call predecessors, (10175), 9975 states have call successors, (10175) [2021-11-19 14:46:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25570 states to 25570 states and 38393 transitions. [2021-11-19 14:46:55,299 INFO L78 Accepts]: Start accepts. Automaton has 25570 states and 38393 transitions. Word has length 474 [2021-11-19 14:46:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:46:55,301 INFO L470 AbstractCegarLoop]: Abstraction has 25570 states and 38393 transitions. [2021-11-19 14:46:55,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 4 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 14:46:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 25570 states and 38393 transitions. [2021-11-19 14:46:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-11-19 14:46:55,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:46:55,322 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:46:55,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:46:55,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:46:55,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:46:55,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:46:55,547 INFO L85 PathProgramCache]: Analyzing trace with hash 182109860, now seen corresponding path program 1 times [2021-11-19 14:46:55,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:46:55,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418581489] [2021-11-19 14:46:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:46:55,555 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:46:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:46:55,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:46:55,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:47:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:02,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 4129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:02,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-19 14:47:03,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-19 14:47:05,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:05,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418581489] [2021-11-19 14:47:05,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418581489] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:05,119 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:05,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:47:05,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899830678] [2021-11-19 14:47:05,119 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:05,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:47:05,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:05,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:47:05,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:05,122 INFO L87 Difference]: Start difference. First operand 25570 states and 38393 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-19 14:47:07,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:47:31,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:47:31,875 INFO L93 Difference]: Finished difference Result 100285 states and 150788 transitions. [2021-11-19 14:47:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:47:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 474 [2021-11-19 14:47:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:47:32,903 INFO L225 Difference]: With dead ends: 100285 [2021-11-19 14:47:32,903 INFO L226 Difference]: Without dead ends: 74792 [2021-11-19 14:47:33,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:33,133 INFO L933 BasicCegarLoop]: 6803 mSDtfsCounter, 8700 mSDsluCounter, 7829 mSDsCounter, 0 mSdLazyCounter, 2412 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8700 SdHoareTripleChecker+Valid, 14632 SdHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:47:33,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8700 Valid, 14632 Invalid, 2456 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [43 Valid, 2412 Invalid, 1 Unknown, 0 Unchecked, 23.7s Time] [2021-11-19 14:47:33,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74792 states. [2021-11-19 14:47:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74792 to 74671. [2021-11-19 14:47:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74671 states, 42396 states have (on average 1.245825077837532) internal successors, (52818), 43287 states have internal predecessors, (52818), 29304 states have call successors, (29304), 2970 states have call predecessors, (29304), 2970 states have return successors, (30132), 28845 states have call predecessors, (30132), 29304 states have call successors, (30132) [2021-11-19 14:47:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74671 states to 74671 states and 112254 transitions. [2021-11-19 14:47:39,942 INFO L78 Accepts]: Start accepts. Automaton has 74671 states and 112254 transitions. Word has length 474 [2021-11-19 14:47:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:47:39,944 INFO L470 AbstractCegarLoop]: Abstraction has 74671 states and 112254 transitions. [2021-11-19 14:47:39,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-19 14:47:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 74671 states and 112254 transitions. [2021-11-19 14:47:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-19 14:47:39,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:47:39,965 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:47:40,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:47:40,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:47:40,366 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:47:40,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:47:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1765422860, now seen corresponding path program 1 times [2021-11-19 14:47:40,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:47:40,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525911138] [2021-11-19 14:47:40,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:47:40,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:47:40,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:47:40,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:47:40,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c858d782-4dbc-417e-afab-dea383a9b41a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:47:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:47:46,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 4128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:47:46,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:47:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2021-11-19 14:47:47,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:47:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-19 14:47:49,301 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:47:49,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525911138] [2021-11-19 14:47:49,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525911138] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:47:49,301 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:47:49,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:47:49,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891573507] [2021-11-19 14:47:49,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:47:49,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:47:49,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:47:49,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:47:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:47:49,303 INFO L87 Difference]: Start difference. First operand 74671 states and 112254 transitions. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2021-11-19 14:47:51,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:48:24,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:48:24,832 INFO L93 Difference]: Finished difference Result 290128 states and 436757 transitions. [2021-11-19 14:48:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:48:24,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 4 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 473 [2021-11-19 14:48:24,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:48:27,102 INFO L225 Difference]: With dead ends: 290128 [2021-11-19 14:48:27,102 INFO L226 Difference]: Without dead ends: 215534 [2021-11-19 14:48:27,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:27,934 INFO L933 BasicCegarLoop]: 6817 mSDtfsCounter, 8811 mSDsluCounter, 7598 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8811 SdHoareTripleChecker+Valid, 14415 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:48:27,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8811 Valid, 14415 Invalid, 2530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 2485 Invalid, 1 Unknown, 0 Unchecked, 25.2s Time] [2021-11-19 14:48:28,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215534 states.