./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/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_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:19:40,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:19:40,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:19:40,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:19:40,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:19:40,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:19:40,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:19:40,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:19:40,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:19:40,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:19:40,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:19:40,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:19:40,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:19:40,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:19:40,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:19:40,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:19:40,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:19:40,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:19:40,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:19:40,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:19:40,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:19:40,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:19:40,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:19:40,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:19:40,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:19:40,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:19:40,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:19:40,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:19:40,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:19:40,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:19:40,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:19:40,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:19:40,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:19:40,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:19:40,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:19:40,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:19:40,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:19:40,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:19:40,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:19:40,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:19:40,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:19:40,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:19:40,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:19:40,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:19:40,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:19:40,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:19:40,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:19:40,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:19:40,333 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:19:40,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:19:40,333 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:19:40,334 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:19:40,334 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:19:40,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:19:40,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:19:40,335 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:19:40,335 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:19:40,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:19:40,336 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:19:40,336 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:19:40,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:19:40,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:19:40,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:19:40,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:19:40,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:19:40,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:19:40,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:19:40,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:19:40,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:19:40,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:19:40,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:19:40,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:40,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:19:40,340 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:19:40,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:19:40,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:19:40,340 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:19:40,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:19:40,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:19:40,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:19:40,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2022-11-03 02:19:40,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:19:40,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:19:40,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:19:40,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:19:40,651 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:19:40,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-11-03 02:19:40,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/data/bb073369d/b948ed75b10e42d7a1702a913dbebc1c/FLAG4094ac270 [2022-11-03 02:19:41,917 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:19:41,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-11-03 02:19:41,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/data/bb073369d/b948ed75b10e42d7a1702a913dbebc1c/FLAG4094ac270 [2022-11-03 02:19:42,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/data/bb073369d/b948ed75b10e42d7a1702a913dbebc1c [2022-11-03 02:19:42,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:19:42,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:19:42,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:42,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:19:42,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:19:42,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:42" (1/1) ... [2022-11-03 02:19:42,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fb21d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:42, skipping insertion in model container [2022-11-03 02:19:42,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:19:42" (1/1) ... [2022-11-03 02:19:42,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:19:42,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:19:46,947 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_30a4576c-696d-4bd7-8e44-b13131fd6671/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-11-03 02:19:46,952 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_30a4576c-696d-4bd7-8e44-b13131fd6671/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-11-03 02:19:47,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:47,071 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:19:47,625 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_30a4576c-696d-4bd7-8e44-b13131fd6671/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2022-11-03 02:19:47,626 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_30a4576c-696d-4bd7-8e44-b13131fd6671/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2022-11-03 02:19:47,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:19:47,898 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:19:47,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47 WrapperNode [2022-11-03 02:19:47,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:19:47,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:47,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:19:47,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:19:47,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,347 INFO L138 Inliner]: procedures = 521, calls = 3820, calls flagged for inlining = 276, calls inlined = 261, statements flattened = 6818 [2022-11-03 02:19:48,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:19:48,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:19:48,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:19:48,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:19:48,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,825 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:19:48,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:19:48,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:19:48,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:19:48,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (1/1) ... [2022-11-03 02:19:48,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:19:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:19:48,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:19:48,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30a4576c-696d-4bd7-8e44-b13131fd6671/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:19:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-11-03 02:19:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-11-03 02:19:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-11-03 02:19:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-11-03 02:19:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-11-03 02:19:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-11-03 02:19:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-11-03 02:19:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-11-03 02:19:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 02:19:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 02:19:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:19:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:19:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:19:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:19:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-11-03 02:19:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-11-03 02:19:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-11-03 02:19:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-11-03 02:19:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:19:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:19:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 02:19:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 02:19:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:19:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:19:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-11-03 02:19:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-11-03 02:19:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-11-03 02:19:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-11-03 02:19:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-11-03 02:19:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-11-03 02:19:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:19:48,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:19:48,989 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-11-03 02:19:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-11-03 02:19:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-11-03 02:19:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-11-03 02:19:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-11-03 02:19:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-11-03 02:19:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:19:48,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:19:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:19:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:19:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-11-03 02:19:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-11-03 02:19:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:19:48,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-11-03 02:19:48,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-11-03 02:19:48,994 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-11-03 02:19:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-11-03 02:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-11-03 02:19:48,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-11-03 02:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:19:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-11-03 02:19:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-11-03 02:19:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-11-03 02:19:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-11-03 02:19:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:19:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:19:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:19:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:19:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-11-03 02:19:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-11-03 02:19:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:19:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:19:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:19:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-11-03 02:19:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-11-03 02:19:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:19:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:19:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:19:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-11-03 02:19:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-11-03 02:19:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:19:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:19:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:19:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:19:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 02:19:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 02:19:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:19:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:19:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:19:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:19:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-03 02:19:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-03 02:19:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-11-03 02:19:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-11-03 02:19:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-11-03 02:19:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-11-03 02:19:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:19:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:19:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:19:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:19:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-11-03 02:19:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-11-03 02:19:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-11-03 02:19:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-11-03 02:19:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-11-03 02:19:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-11-03 02:19:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-03 02:19:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-03 02:19:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:19:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 02:19:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 02:19:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 02:19:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 02:19:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:19:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:19:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:19:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-03 02:19:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-03 02:19:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-11-03 02:19:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-11-03 02:19:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:19:49,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:19:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:19:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:19:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:19:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:19:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:19:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:19:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:19:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:19:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-03 02:19:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-11-03 02:19:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-11-03 02:19:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-03 02:19:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-03 02:19:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-11-03 02:19:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-11-03 02:19:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-11-03 02:19:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-11-03 02:19:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:19:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:19:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-11-03 02:19:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-11-03 02:19:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-11-03 02:19:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-11-03 02:19:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-11-03 02:19:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-11-03 02:19:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-11-03 02:19:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-11-03 02:19:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-11-03 02:19:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-11-03 02:19:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:19:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:19:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:19:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:19:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:19:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:19:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-11-03 02:19:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-11-03 02:19:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:19:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:19:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:19:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:19:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-11-03 02:19:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-11-03 02:19:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-03 02:19:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-03 02:19:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-11-03 02:19:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-11-03 02:19:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-11-03 02:19:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-11-03 02:19:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-11-03 02:19:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-11-03 02:19:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 02:19:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 02:19:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:19:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:19:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:19:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:19:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-11-03 02:19:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-11-03 02:19:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:19:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:19:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:19:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:19:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-11-03 02:19:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-11-03 02:19:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:19:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-11-03 02:19:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-11-03 02:19:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:19:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:19:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-03 02:19:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-03 02:19:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:19:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:19:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-11-03 02:19:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-11-03 02:19:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-11-03 02:19:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-11-03 02:19:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-11-03 02:19:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-11-03 02:19:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:19:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:19:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-11-03 02:19:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-11-03 02:19:49,024 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-11-03 02:19:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-11-03 02:19:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:19:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-11-03 02:19:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-11-03 02:19:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 02:19:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 02:19:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:19:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:19:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-11-03 02:19:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-11-03 02:19:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-11-03 02:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-11-03 02:19:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-11-03 02:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-11-03 02:19:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-11-03 02:19:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-11-03 02:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-03 02:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-03 02:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 02:19:49,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 02:19:49,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:19:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-11-03 02:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-11-03 02:19:49,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 02:19:49,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 02:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-11-03 02:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-11-03 02:19:49,030 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-11-03 02:19:49,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-11-03 02:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:19:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:19:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-11-03 02:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-11-03 02:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 02:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 02:19:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-11-03 02:19:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-11-03 02:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-11-03 02:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-11-03 02:19:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-03 02:19:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-03 02:19:50,346 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:19:50,351 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:19:50,613 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:20:00,444 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 02:20:00,680 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:20:03,139 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:20:03,139 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:20:03,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:03 BoogieIcfgContainer [2022-11-03 02:20:03,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:20:03,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:20:03,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:20:03,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:20:03,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:19:42" (1/3) ... [2022-11-03 02:20:03,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6c8108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:03, skipping insertion in model container [2022-11-03 02:20:03,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:19:47" (2/3) ... [2022-11-03 02:20:03,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6c8108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:03, skipping insertion in model container [2022-11-03 02:20:03,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:03" (3/3) ... [2022-11-03 02:20:03,158 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-11-03 02:20:03,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:20:03,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:20:03,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:20:03,326 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@167ca1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:20:03,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:20:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 2491 states, 1168 states have (on average 1.2568493150684932) internal successors, (1468), 1204 states have internal predecessors, (1468), 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) [2022-11-03 02:20:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-03 02:20:03,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:03,418 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:20:03,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:03,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1706400235, now seen corresponding path program 1 times [2022-11-03 02:20:03,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:03,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556413170] [2022-11-03 02:20:03,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-11-03 02:20:05,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:20:05,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556413170] [2022-11-03 02:20:05,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556413170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:05,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:05,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:20:05,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554003053] [2022-11-03 02:20:05,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:05,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:20:05,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:20:05,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:20:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:05,074 INFO L87 Difference]: Start difference. First operand has 2491 states, 1168 states have (on average 1.2568493150684932) internal successors, (1468), 1204 states have internal predecessors, (1468), 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 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:20:08,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:20:10,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:20:15,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:20:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:20:15,649 INFO L93 Difference]: Finished difference Result 7247 states and 11344 transitions. [2022-11-03 02:20:15,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:20:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 413 [2022-11-03 02:20:15,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:20:15,706 INFO L225 Difference]: With dead ends: 7247 [2022-11-03 02:20:15,707 INFO L226 Difference]: Without dead ends: 4762 [2022-11-03 02:20:15,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:15,736 INFO L413 NwaCegarLoop]: 4688 mSDtfsCounter, 3648 mSDsluCounter, 3801 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3648 SdHoareTripleChecker+Valid, 8167 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:20:15,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3648 Valid, 8167 Invalid, 776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 760 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 02:20:15,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4762 states. [2022-11-03 02:20:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4762 to 4757. [2022-11-03 02:20:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4757 states, 2239 states have (on average 1.2478785171951765) internal successors, (2794), 2305 states have internal predecessors, (2794), 2297 states have call successors, (2297), 220 states have call predecessors, (2297), 220 states have return successors, (2316), 2263 states have call predecessors, (2316), 2297 states have call successors, (2316) [2022-11-03 02:20:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4757 states and 7407 transitions. [2022-11-03 02:20:16,405 INFO L78 Accepts]: Start accepts. Automaton has 4757 states and 7407 transitions. Word has length 413 [2022-11-03 02:20:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:20:16,411 INFO L495 AbstractCegarLoop]: Abstraction has 4757 states and 7407 transitions. [2022-11-03 02:20:16,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:20:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4757 states and 7407 transitions. [2022-11-03 02:20:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-03 02:20:16,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:16,435 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:20:16,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:20:16,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash 751109315, now seen corresponding path program 1 times [2022-11-03 02:20:16,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:16,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157066918] [2022-11-03 02:20:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:16,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-11-03 02:20:17,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:20:17,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157066918] [2022-11-03 02:20:17,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157066918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:17,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:17,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:20:17,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623876883] [2022-11-03 02:20:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:17,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:20:17,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:20:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:20:17,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:17,458 INFO L87 Difference]: Start difference. First operand 4757 states and 7407 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-03 02:20:18,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:20:22,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:20:24,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:20:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:20:26,560 INFO L93 Difference]: Finished difference Result 13987 states and 21817 transitions. [2022-11-03 02:20:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:20:26,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 413 [2022-11-03 02:20:26,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:20:26,661 INFO L225 Difference]: With dead ends: 13987 [2022-11-03 02:20:26,661 INFO L226 Difference]: Without dead ends: 9303 [2022-11-03 02:20:26,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:26,836 INFO L413 NwaCegarLoop]: 4603 mSDtfsCounter, 3579 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3583 SdHoareTripleChecker+Valid, 8020 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:20:26,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3583 Valid, 8020 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 755 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-03 02:20:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9303 states. [2022-11-03 02:20:27,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9303 to 9291. [2022-11-03 02:20:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9291 states, 4356 states have (on average 1.2433425160697889) internal successors, (5416), 4490 states have internal predecessors, (5416), 4494 states have call successors, (4494), 440 states have call predecessors, (4494), 440 states have return successors, (4572), 4424 states have call predecessors, (4572), 4494 states have call successors, (4572) [2022-11-03 02:20:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9291 states to 9291 states and 14482 transitions. [2022-11-03 02:20:27,997 INFO L78 Accepts]: Start accepts. Automaton has 9291 states and 14482 transitions. Word has length 413 [2022-11-03 02:20:27,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:20:27,999 INFO L495 AbstractCegarLoop]: Abstraction has 9291 states and 14482 transitions. [2022-11-03 02:20:28,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-03 02:20:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9291 states and 14482 transitions. [2022-11-03 02:20:28,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-03 02:20:28,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:28,012 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:20:28,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:20:28,012 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:28,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:28,023 INFO L85 PathProgramCache]: Analyzing trace with hash -873679616, now seen corresponding path program 1 times [2022-11-03 02:20:28,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:28,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404408277] [2022-11-03 02:20:28,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-11-03 02:20:28,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:20:28,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404408277] [2022-11-03 02:20:28,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404408277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:28,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:28,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:20:28,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545550173] [2022-11-03 02:20:28,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:28,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:20:28,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:20:28,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:20:28,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:28,778 INFO L87 Difference]: Start difference. First operand 9291 states and 14482 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-03 02:20:31,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:20:34,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:20:37,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:20:37,008 INFO L93 Difference]: Finished difference Result 27423 states and 42809 transitions. [2022-11-03 02:20:37,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:20:37,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 414 [2022-11-03 02:20:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:20:37,227 INFO L225 Difference]: With dead ends: 27423 [2022-11-03 02:20:37,228 INFO L226 Difference]: Without dead ends: 18205 [2022-11-03 02:20:37,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:37,325 INFO L413 NwaCegarLoop]: 4596 mSDtfsCounter, 3564 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 8013 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:20:37,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3571 Valid, 8013 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 754 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 02:20:37,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18205 states. [2022-11-03 02:20:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18205 to 18177. [2022-11-03 02:20:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18177 states, 8482 states have (on average 1.238151379391653) internal successors, (10502), 8752 states have internal predecessors, (10502), 8814 states have call successors, (8814), 880 states have call predecessors, (8814), 880 states have return successors, (9041), 8672 states have call predecessors, (9041), 8814 states have call successors, (9041) [2022-11-03 02:20:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18177 states to 18177 states and 28357 transitions. [2022-11-03 02:20:39,915 INFO L78 Accepts]: Start accepts. Automaton has 18177 states and 28357 transitions. Word has length 414 [2022-11-03 02:20:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:20:39,916 INFO L495 AbstractCegarLoop]: Abstraction has 18177 states and 28357 transitions. [2022-11-03 02:20:39,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-03 02:20:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 18177 states and 28357 transitions. [2022-11-03 02:20:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-03 02:20:39,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:39,930 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:20:39,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:20:39,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:39,932 INFO L85 PathProgramCache]: Analyzing trace with hash -695554493, now seen corresponding path program 1 times [2022-11-03 02:20:39,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:39,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259272041] [2022-11-03 02:20:39,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:39,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-11-03 02:20:40,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:20:40,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259272041] [2022-11-03 02:20:40,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259272041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:40,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:40,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:20:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667580978] [2022-11-03 02:20:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:40,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:20:40,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:20:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:20:40,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:40,840 INFO L87 Difference]: Start difference. First operand 18177 states and 28357 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:20:46,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:20:49,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:20:49,170 INFO L93 Difference]: Finished difference Result 52553 states and 82056 transitions. [2022-11-03 02:20:49,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:20:49,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 414 [2022-11-03 02:20:49,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:20:49,547 INFO L225 Difference]: With dead ends: 52553 [2022-11-03 02:20:49,547 INFO L226 Difference]: Without dead ends: 34449 [2022-11-03 02:20:49,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:49,734 INFO L413 NwaCegarLoop]: 5610 mSDtfsCounter, 3318 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 9042 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:20:49,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 9042 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 842 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 02:20:49,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34449 states. [2022-11-03 02:20:54,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34449 to 34437. [2022-11-03 02:20:54,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34437 states, 15850 states have (on average 1.2301577287066245) internal successors, (19498), 16392 states have internal predecessors, (19498), 16882 states have call successors, (16882), 1704 states have call predecessors, (16882), 1704 states have return successors, (17297), 16588 states have call predecessors, (17297), 16882 states have call successors, (17297) [2022-11-03 02:20:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34437 states to 34437 states and 53677 transitions. [2022-11-03 02:20:54,805 INFO L78 Accepts]: Start accepts. Automaton has 34437 states and 53677 transitions. Word has length 414 [2022-11-03 02:20:54,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:20:54,807 INFO L495 AbstractCegarLoop]: Abstraction has 34437 states and 53677 transitions. [2022-11-03 02:20:54,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:20:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 34437 states and 53677 transitions. [2022-11-03 02:20:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-03 02:20:54,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:54,819 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:20:54,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:20:54,820 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:54,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:54,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1359381405, now seen corresponding path program 1 times [2022-11-03 02:20:54,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:54,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852055137] [2022-11-03 02:20:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:54,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2022-11-03 02:20:55,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:20:55,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852055137] [2022-11-03 02:20:55,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852055137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:55,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:55,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:20:55,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624241065] [2022-11-03 02:20:55,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:55,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:20:55,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:20:55,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:20:55,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:20:55,673 INFO L87 Difference]: Start difference. First operand 34437 states and 53677 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:20:58,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:21:02,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:08,356 INFO L93 Difference]: Finished difference Result 100616 states and 156857 transitions. [2022-11-03 02:21:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 414 [2022-11-03 02:21:08,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:09,282 INFO L225 Difference]: With dead ends: 100616 [2022-11-03 02:21:09,282 INFO L226 Difference]: Without dead ends: 66252 [2022-11-03 02:21:09,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:09,534 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 3573 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3577 SdHoareTripleChecker+Valid, 8033 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:09,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3577 Valid, 8033 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 755 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 02:21:09,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66252 states. [2022-11-03 02:21:15,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66252 to 66200. [2022-11-03 02:21:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66200 states, 30448 states have (on average 1.222773252758802) internal successors, (37231), 31504 states have internal predecessors, (37231), 32410 states have call successors, (32410), 3337 states have call predecessors, (32410), 3341 states have return successors, (33389), 31846 states have call predecessors, (33389), 32410 states have call successors, (33389) [2022-11-03 02:21:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66200 states to 66200 states and 103030 transitions. [2022-11-03 02:21:17,102 INFO L78 Accepts]: Start accepts. Automaton has 66200 states and 103030 transitions. Word has length 414 [2022-11-03 02:21:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:17,127 INFO L495 AbstractCegarLoop]: Abstraction has 66200 states and 103030 transitions. [2022-11-03 02:21:17,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:21:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 66200 states and 103030 transitions. [2022-11-03 02:21:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-11-03 02:21:17,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:17,155 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:17,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:21:17,155 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:21:17,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:17,156 INFO L85 PathProgramCache]: Analyzing trace with hash 73598017, now seen corresponding path program 1 times [2022-11-03 02:21:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:17,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660276955] [2022-11-03 02:21:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:17,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:21:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5114 trivial. 0 not checked. [2022-11-03 02:21:18,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:21:18,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660276955] [2022-11-03 02:21:18,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660276955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:21:18,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:21:18,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:21:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554142999] [2022-11-03 02:21:18,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:21:18,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:21:18,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:21:18,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:21:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:18,017 INFO L87 Difference]: Start difference. First operand 66200 states and 103030 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:21:20,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:21:23,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:21:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:21:32,905 INFO L93 Difference]: Finished difference Result 194797 states and 304937 transitions. [2022-11-03 02:21:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:21:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 426 [2022-11-03 02:21:32,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:21:34,821 INFO L225 Difference]: With dead ends: 194797 [2022-11-03 02:21:34,821 INFO L226 Difference]: Without dead ends: 128670 [2022-11-03 02:21:35,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:21:35,290 INFO L413 NwaCegarLoop]: 4601 mSDtfsCounter, 3533 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3542 SdHoareTripleChecker+Valid, 8056 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:21:35,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3542 Valid, 8056 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 695 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 02:21:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128670 states. [2022-11-03 02:21:46,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128670 to 128586. [2022-11-03 02:21:47,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128586 states, 58650 states have (on average 1.21923273657289) internal successors, (71508), 60684 states have internal predecessors, (71508), 63451 states have call successors, (63451), 6508 states have call predecessors, (63451), 6484 states have return successors, (66878), 62241 states have call predecessors, (66878), 63451 states have call successors, (66878) [2022-11-03 02:21:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128586 states to 128586 states and 201837 transitions. [2022-11-03 02:21:49,261 INFO L78 Accepts]: Start accepts. Automaton has 128586 states and 201837 transitions. Word has length 426 [2022-11-03 02:21:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:21:49,263 INFO L495 AbstractCegarLoop]: Abstraction has 128586 states and 201837 transitions. [2022-11-03 02:21:49,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-11-03 02:21:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 128586 states and 201837 transitions. [2022-11-03 02:21:49,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-11-03 02:21:49,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:21:49,274 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:21:49,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:21:49,274 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:21:49,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:21:49,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1964302061, now seen corresponding path program 1 times [2022-11-03 02:21:49,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:21:49,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977553185] [2022-11-03 02:21:49,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:21:49,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:21:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat