./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/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 66119ea8931c6eec2c591a26da0b636e80e31246fe646336310e4db58c6bcf49 --- 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 02:32:32,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:32:32,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:32:32,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:32:32,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:32:32,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:32:32,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:32:32,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:32:32,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:32:32,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:32:32,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:32:32,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:32:32,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:32:32,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:32:32,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:32:32,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:32:32,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:32:32,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:32:32,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:32:32,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:32:32,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:32:32,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:32:32,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:32:32,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:32:32,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:32:32,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:32:32,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:32:32,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:32:32,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:32:32,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:32:32,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:32:32,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:32:32,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:32:32,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:32:32,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:32:32,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:32:32,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:32:32,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:32:32,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:32:32,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:32:32,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:32:32,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:32:32,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:32:32,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:32:32,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:32:32,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:32:32,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:32:32,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:32:32,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:32:32,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:32:32,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:32:32,329 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:32:32,330 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:32:32,330 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:32:32,330 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:32:32,330 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:32:32,331 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:32:32,331 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:32:32,331 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:32:32,331 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:32:32,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:32:32,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:32:32,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:32:32,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:32:32,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:32:32,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:32:32,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:32:32,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:32:32,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:32:32,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:32:32,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:32:32,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:32:32,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:32:32,335 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:32:32,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:32:32,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:32:32,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:32:32,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:32:32,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:32:32,336 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:32:32,336 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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66119ea8931c6eec2c591a26da0b636e80e31246fe646336310e4db58c6bcf49 [2022-11-03 02:32:32,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:32:32,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:32:32,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:32:32,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:32:32,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:32:32,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-03 02:32:32,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/data/fbbaf53fb/ed100eb82bc34697a3cb1e323c93d707/FLAGdeab1d6f7 [2022-11-03 02:32:34,154 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:32:34,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-03 02:32:34,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/data/fbbaf53fb/ed100eb82bc34697a3cb1e323c93d707/FLAGdeab1d6f7 [2022-11-03 02:32:34,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/data/fbbaf53fb/ed100eb82bc34697a3cb1e323c93d707 [2022-11-03 02:32:34,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:32:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:32:34,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:32:34,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:32:34,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:32:34,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:32:34" (1/1) ... [2022-11-03 02:32:34,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21122e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:34, skipping insertion in model container [2022-11-03 02:32:34,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:32:34" (1/1) ... [2022-11-03 02:32:34,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:32:34,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:32:35,452 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [8123] [2022-11-03 02:32:35,453 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [8124-8125] [2022-11-03 02:32:36,289 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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i[240081,240094] [2022-11-03 02:32:42,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:32:42,416 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:32:42,567 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [8123] [2022-11-03 02:32:42,567 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [8124-8125] [2022-11-03 02:32:42,579 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_136f89d4-18f5-456b-a1f3-b9db5c7339f8/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i[240081,240094] [2022-11-03 02:32:43,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:32:43,788 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:32:43,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43 WrapperNode [2022-11-03 02:32:43,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:32:43,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:32:43,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:32:43,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:32:43,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:44,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:44,629 INFO L138 Inliner]: procedures = 692, calls = 7574, calls flagged for inlining = 311, calls inlined = 307, statements flattened = 19156 [2022-11-03 02:32:44,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:32:44,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:32:44,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:32:44,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:32:44,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:44,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:44,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:44,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:32:45,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:32:45,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:32:45,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:32:45,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (1/1) ... [2022-11-03 02:32:45,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:32:45,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:32:45,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:32:46,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:32:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2022-11-03 02:32:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2022-11-03 02:32:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2022-11-03 02:32:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2022-11-03 02:32:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-03 02:32:46,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-03 02:32:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-03 02:32:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-03 02:32:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2022-11-03 02:32:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2022-11-03 02:32:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2022-11-03 02:32:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2022-11-03 02:32:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 02:32:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 02:32:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2022-11-03 02:32:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2022-11-03 02:32:46,021 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2022-11-03 02:32:46,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2022-11-03 02:32:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-03 02:32:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-03 02:32:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 02:32:46,022 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 02:32:46,022 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2022-11-03 02:32:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2022-11-03 02:32:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:32:46,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:32:46,023 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2022-11-03 02:32:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2022-11-03 02:32:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 02:32:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 02:32:46,024 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2022-11-03 02:32:46,024 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2022-11-03 02:32:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:32:46,025 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:32:46,025 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_irq [2022-11-03 02:32:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_irq [2022-11-03 02:32:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2022-11-03 02:32:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2022-11-03 02:32:46,026 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2022-11-03 02:32:46,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2022-11-03 02:32:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2022-11-03 02:32:46,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2022-11-03 02:32:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-03 02:32:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-03 02:32:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:32:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:32:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:32:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:32:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 02:32:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 02:32:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-03 02:32:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-03 02:32:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-03 02:32:46,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-03 02:32:46,030 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vlan_rx_add_vid [2022-11-03 02:32:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vlan_rx_add_vid [2022-11-03 02:32:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2022-11-03 02:32:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2022-11-03 02:32:46,031 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2022-11-03 02:32:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2022-11-03 02:32:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2022-11-03 02:32:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2022-11-03 02:32:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:32:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:32:46,032 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2022-11-03 02:32:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2022-11-03 02:32:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2022-11-03 02:32:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2022-11-03 02:32:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2022-11-03 02:32:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2022-11-03 02:32:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2022-11-03 02:32:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2022-11-03 02:32:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2022-11-03 02:32:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2022-11-03 02:32:46,035 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2022-11-03 02:32:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2022-11-03 02:32:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2022-11-03 02:32:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2022-11-03 02:32:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2022-11-03 02:32:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2022-11-03 02:32:46,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:32:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:32:46,037 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2022-11-03 02:32:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2022-11-03 02:32:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:32:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:32:46,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 02:32:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 02:32:46,039 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 02:32:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 02:32:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-03 02:32:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-03 02:32:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-03 02:32:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2022-11-03 02:32:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2022-11-03 02:32:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:32:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 02:32:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 02:32:46,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2022-11-03 02:32:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2022-11-03 02:32:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2022-11-03 02:32:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2022-11-03 02:32:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:32:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:32:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:32:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:32:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_slot_reset [2022-11-03 02:32:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_slot_reset [2022-11-03 02:32:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2022-11-03 02:32:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2022-11-03 02:32:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2022-11-03 02:32:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2022-11-03 02:32:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:32:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:32:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:32:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:32:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-03 02:32:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-03 02:32:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:32:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:32:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:32:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2022-11-03 02:32:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2022-11-03 02:32:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2022-11-03 02:32:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2022-11-03 02:32:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2022-11-03 02:32:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2022-11-03 02:32:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:32:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:32:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:32:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:32:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2022-11-03 02:32:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2022-11-03 02:32:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2022-11-03 02:32:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2022-11-03 02:32:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:32:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2022-11-03 02:32:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2022-11-03 02:32:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2022-11-03 02:32:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2022-11-03 02:32:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:32:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2022-11-03 02:32:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2022-11-03 02:32:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:32:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:32:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ioctl [2022-11-03 02:32:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ioctl [2022-11-03 02:32:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 02:32:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 02:32:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-03 02:32:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-03 02:32:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:32:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:32:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2022-11-03 02:32:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2022-11-03 02:32:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2022-11-03 02:32:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2022-11-03 02:32:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2022-11-03 02:32:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2022-11-03 02:32:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-11-03 02:32:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-11-03 02:32:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:32:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:32:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2022-11-03 02:32:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2022-11-03 02:32:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-03 02:32:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-03 02:32:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:32:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:32:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-03 02:32:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-03 02:32:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2022-11-03 02:32:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2022-11-03 02:32:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2022-11-03 02:32:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2022-11-03 02:32:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 02:32:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 02:32:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2022-11-03 02:32:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2022-11-03 02:32:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2022-11-03 02:32:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2022-11-03 02:32:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2022-11-03 02:32:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2022-11-03 02:32:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:32:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:32:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 02:32:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 02:32:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2022-11-03 02:32:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2022-11-03 02:32:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2022-11-03 02:32:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2022-11-03 02:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2022-11-03 02:32:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2022-11-03 02:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 02:32:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 02:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:32:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2022-11-03 02:32:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2022-11-03 02:32:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2022-11-03 02:32:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2022-11-03 02:32:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2022-11-03 02:32:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2022-11-03 02:32:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2022-11-03 02:32:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2022-11-03 02:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_get_stats64 [2022-11-03 02:32:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_get_stats64 [2022-11-03 02:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:32:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2022-11-03 02:32:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2022-11-03 02:32:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:32:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:32:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2022-11-03 02:32:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2022-11-03 02:32:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2022-11-03 02:32:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2022-11-03 02:32:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:32:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:32:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:32:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:32:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:32:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:32:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:32:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:32:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:32:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:32:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2022-11-03 02:32:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2022-11-03 02:32:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_change_mtu [2022-11-03 02:32:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_change_mtu [2022-11-03 02:32:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2022-11-03 02:32:46,074 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2022-11-03 02:32:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2022-11-03 02:32:46,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2022-11-03 02:32:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:32:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:32:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:32:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 02:32:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 02:32:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 02:32:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2022-11-03 02:32:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2022-11-03 02:32:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2022-11-03 02:32:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2022-11-03 02:32:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2022-11-03 02:32:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2022-11-03 02:32:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2022-11-03 02:32:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2022-11-03 02:32:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2022-11-03 02:32:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2022-11-03 02:32:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2022-11-03 02:32:46,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2022-11-03 02:32:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2022-11-03 02:32:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2022-11-03 02:32:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 02:32:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 02:32:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-03 02:32:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-03 02:32:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2022-11-03 02:32:46,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2022-11-03 02:32:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fix_features [2022-11-03 02:32:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fix_features [2022-11-03 02:32:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2022-11-03 02:32:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2022-11-03 02:32:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:32:46,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:32:46,084 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2022-11-03 02:32:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2022-11-03 02:32:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 02:32:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 02:32:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_irq [2022-11-03 02:32:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_irq [2022-11-03 02:32:46,085 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2022-11-03 02:32:46,085 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2022-11-03 02:32:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2022-11-03 02:32:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2022-11-03 02:32:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 02:32:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 02:32:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vlan_rx_kill_vid [2022-11-03 02:32:46,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vlan_rx_kill_vid [2022-11-03 02:32:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2022-11-03 02:32:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2022-11-03 02:32:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2022-11-03 02:32:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2022-11-03 02:32:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:32:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:32:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 02:32:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 02:32:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2022-11-03 02:32:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2022-11-03 02:32:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2022-11-03 02:32:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2022-11-03 02:32:46,088 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2022-11-03 02:32:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2022-11-03 02:32:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2022-11-03 02:32:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2022-11-03 02:32:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:32:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:32:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-03 02:32:46,089 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-03 02:32:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2022-11-03 02:32:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2022-11-03 02:32:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2022-11-03 02:32:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2022-11-03 02:32:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2022-11-03 02:32:46,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2022-11-03 02:32:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:32:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:32:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2022-11-03 02:32:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2022-11-03 02:32:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2022-11-03 02:32:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2022-11-03 02:32:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:32:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:32:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:32:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:32:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:32:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 02:32:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2022-11-03 02:32:46,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2022-11-03 02:32:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-03 02:32:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-03 02:32:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2022-11-03 02:32:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2022-11-03 02:32:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:32:46,093 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:32:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:32:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:32:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-03 02:32:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-03 02:32:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2022-11-03 02:32:46,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2022-11-03 02:32:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:32:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2022-11-03 02:32:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2022-11-03 02:32:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 02:32:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 02:32:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2022-11-03 02:32:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2022-11-03 02:32:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 02:32:46,095 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 02:32:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-11-03 02:32:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-11-03 02:32:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2022-11-03 02:32:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2022-11-03 02:32:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2022-11-03 02:32:46,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2022-11-03 02:32:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2022-11-03 02:32:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2022-11-03 02:32:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:32:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:32:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-03 02:32:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-03 02:32:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 02:32:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 02:32:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 02:32:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 02:32:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-03 02:32:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-03 02:32:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:32:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:32:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_error_detected [2022-11-03 02:32:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_error_detected [2022-11-03 02:32:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 02:32:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 02:32:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:32:46,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:32:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 02:32:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 02:32:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2022-11-03 02:32:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2022-11-03 02:32:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-11-03 02:32:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-11-03 02:32:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2022-11-03 02:32:46,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2022-11-03 02:32:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2022-11-03 02:32:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2022-11-03 02:32:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 02:32:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 02:32:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2022-11-03 02:32:46,102 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2022-11-03 02:32:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 02:32:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 02:32:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 02:32:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 02:32:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:32:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2022-11-03 02:32:46,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2022-11-03 02:32:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:32:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:32:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2022-11-03 02:32:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2022-11-03 02:32:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:32:46,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:32:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:32:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:32:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:32:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:32:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:32:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2022-11-03 02:32:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2022-11-03 02:32:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2022-11-03 02:32:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2022-11-03 02:32:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2022-11-03 02:32:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2022-11-03 02:32:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2022-11-03 02:32:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2022-11-03 02:32:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2022-11-03 02:32:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2022-11-03 02:32:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:32:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:32:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:32:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2022-11-03 02:32:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2022-11-03 02:32:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2022-11-03 02:32:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2022-11-03 02:32:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:32:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:32:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 02:32:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 02:32:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:32:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:32:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-03 02:32:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-03 02:32:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:32:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:32:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2022-11-03 02:32:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2022-11-03 02:32:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2022-11-03 02:32:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2022-11-03 02:32:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2022-11-03 02:32:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2022-11-03 02:32:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2022-11-03 02:32:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2022-11-03 02:32:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:32:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:32:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2022-11-03 02:32:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2022-11-03 02:32:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2022-11-03 02:32:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2022-11-03 02:32:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2022-11-03 02:32:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2022-11-03 02:32:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2022-11-03 02:32:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2022-11-03 02:32:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:32:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:32:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2022-11-03 02:32:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2022-11-03 02:32:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 02:32:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 02:32:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2022-11-03 02:32:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2022-11-03 02:32:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2022-11-03 02:32:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2022-11-03 02:32:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-11-03 02:32:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-11-03 02:32:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-11-03 02:32:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-11-03 02:32:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 02:32:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 02:32:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:32:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:32:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-03 02:32:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-03 02:32:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2022-11-03 02:32:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2022-11-03 02:32:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-03 02:32:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-03 02:32:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-03 02:32:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-03 02:32:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2022-11-03 02:32:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2022-11-03 02:32:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-03 02:32:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-03 02:32:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:32:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:32:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2022-11-03 02:32:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2022-11-03 02:32:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:32:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:32:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_features [2022-11-03 02:32:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_features [2022-11-03 02:32:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2022-11-03 02:32:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2022-11-03 02:32:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:32:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2022-11-03 02:32:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2022-11-03 02:32:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_3 [2022-11-03 02:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_3 [2022-11-03 02:32:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:32:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2022-11-03 02:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2022-11-03 02:32:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2022-11-03 02:32:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2022-11-03 02:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-03 02:32:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-03 02:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 02:32:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 02:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-03 02:32:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-03 02:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2022-11-03 02:32:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2022-11-03 02:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 02:32:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 02:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-03 02:32:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-03 02:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2022-11-03 02:32:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2022-11-03 02:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2022-11-03 02:32:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2022-11-03 02:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2022-11-03 02:32:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2022-11-03 02:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:32:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:32:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2022-11-03 02:32:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2022-11-03 02:32:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2022-11-03 02:32:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2022-11-03 02:32:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-11-03 02:32:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-11-03 02:32:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:32:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:32:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-03 02:32:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-03 02:32:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-03 02:32:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-03 02:32:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 02:32:46,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 02:32:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2022-11-03 02:32:46,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2022-11-03 02:32:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 02:32:46,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 02:32:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2022-11-03 02:32:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2022-11-03 02:32:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-03 02:32:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-03 02:32:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2022-11-03 02:32:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2022-11-03 02:32:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:32:46,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 02:32:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2022-11-03 02:32:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2022-11-03 02:32:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-11-03 02:32:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-11-03 02:32:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2022-11-03 02:32:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2022-11-03 02:32:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:32:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:32:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:32:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:32:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2022-11-03 02:32:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2022-11-03 02:32:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2022-11-03 02:32:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2022-11-03 02:32:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2022-11-03 02:32:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2022-11-03 02:32:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2022-11-03 02:32:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2022-11-03 02:32:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:32:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2022-11-03 02:32:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2022-11-03 02:32:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-03 02:32:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-03 02:32:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 02:32:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-03 02:32:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-03 02:32:48,424 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:32:48,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:32:48,719 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:39:39,960 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:39:48,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:39:48,610 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-03 02:39:48,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:39:48 BoogieIcfgContainer [2022-11-03 02:39:48,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:39:48,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:39:48,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:39:48,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:39:48,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:32:34" (1/3) ... [2022-11-03 02:39:48,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fee38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:39:48, skipping insertion in model container [2022-11-03 02:39:48,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:32:43" (2/3) ... [2022-11-03 02:39:48,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17fee38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:39:48, skipping insertion in model container [2022-11-03 02:39:48,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:39:48" (3/3) ... [2022-11-03 02:39:48,636 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--neterion--vxge--vxge.ko-entry_point.cil.out.i [2022-11-03 02:39:48,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:39:48,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:39:48,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:39:48,818 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;@56c014cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:39:48,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:39:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 4637 states, 2989 states have (on average 1.3549682167949146) internal successors, (4050), 3079 states have internal predecessors, (4050), 1376 states have call successors, (1376), 273 states have call predecessors, (1376), 272 states have return successors, (1361), 1345 states have call predecessors, (1361), 1361 states have call successors, (1361) [2022-11-03 02:39:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 02:39:48,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:48,866 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:48,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:39:48,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 116054123, now seen corresponding path program 1 times [2022-11-03 02:39:48,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:48,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16109642] [2022-11-03 02:39:48,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:48,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:39:50,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:50,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16109642] [2022-11-03 02:39:50,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16109642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:50,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:50,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:39:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756650507] [2022-11-03 02:39:50,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:50,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:39:50,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:39:50,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:39:50,936 INFO L87 Difference]: Start difference. First operand has 4637 states, 2989 states have (on average 1.3549682167949146) internal successors, (4050), 3079 states have internal predecessors, (4050), 1376 states have call successors, (1376), 273 states have call predecessors, (1376), 272 states have return successors, (1361), 1345 states have call predecessors, (1361), 1361 states have call successors, (1361) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:39:53,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:55,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:57,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:01,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:07,144 WARN L539 Checker$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 02:40:09,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:13,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:16,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:19,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:40:21,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:24,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:28,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:30,935 WARN L539 Checker$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 02:40:35,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:37,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:40,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:42,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:44,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:45,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:47,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:49,954 WARN L539 Checker$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 02:40:50,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:50,131 INFO L93 Difference]: Finished difference Result 13468 states and 20090 transitions. [2022-11-03 02:40:50,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:50,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 90 [2022-11-03 02:40:50,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:50,364 INFO L225 Difference]: With dead ends: 13468 [2022-11-03 02:40:50,364 INFO L226 Difference]: Without dead ends: 8801 [2022-11-03 02:40:50,412 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 02:40:50,415 INFO L413 NwaCegarLoop]: 8197 mSDtfsCounter, 6128 mSDsluCounter, 6743 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 5 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6136 SdHoareTripleChecker+Valid, 14256 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:50,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6136 Valid, 14256 Invalid, 1534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1515 Invalid, 14 Unknown, 0 Unchecked, 58.5s Time] [2022-11-03 02:40:50,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8801 states. [2022-11-03 02:40:50,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8801 to 8792. [2022-11-03 02:40:50,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8792 states, 5683 states have (on average 1.3464719338377618) internal successors, (7652), 5818 states have internal predecessors, (7652), 2575 states have call successors, (2575), 534 states have call predecessors, (2575), 533 states have return successors, (2577), 2539 states have call predecessors, (2577), 2573 states have call successors, (2577) [2022-11-03 02:40:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8792 states to 8792 states and 12804 transitions. [2022-11-03 02:40:50,962 INFO L78 Accepts]: Start accepts. Automaton has 8792 states and 12804 transitions. Word has length 90 [2022-11-03 02:40:50,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:50,964 INFO L495 AbstractCegarLoop]: Abstraction has 8792 states and 12804 transitions. [2022-11-03 02:40:50,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:40:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 8792 states and 12804 transitions. [2022-11-03 02:40:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:40:50,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:50,977 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:40:50,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:40:50,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:50,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:50,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1833617676, now seen corresponding path program 1 times [2022-11-03 02:40:50,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:50,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148936859] [2022-11-03 02:40:50,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:50,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:40:52,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:52,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148936859] [2022-11-03 02:40:52,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148936859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:52,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:52,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711212358] [2022-11-03 02:40:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:52,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:52,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:52,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:40:52,836 INFO L87 Difference]: Start difference. First operand 8792 states and 12804 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:40:55,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:57,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:05,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:08,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:12,671 WARN L539 Checker$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 02:41:14,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:18,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:21,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:24,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:41:26,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:30,465 WARN L539 Checker$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 02:41:34,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:37,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:39,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:41,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:43,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:45,928 WARN L539 Checker$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 02:41:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:47,393 INFO L93 Difference]: Finished difference Result 18928 states and 27793 transitions. [2022-11-03 02:41:47,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:47,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 99 [2022-11-03 02:41:47,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:47,548 INFO L225 Difference]: With dead ends: 18928 [2022-11-03 02:41:47,548 INFO L226 Difference]: Without dead ends: 10163 [2022-11-03 02:41:47,593 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 02:41:47,595 INFO L413 NwaCegarLoop]: 6918 mSDtfsCounter, 737 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 1432 mSolverCounterSat, 5 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 13076 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1432 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:47,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 13076 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1432 Invalid, 16 Unknown, 0 Unchecked, 54.1s Time] [2022-11-03 02:41:47,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10163 states. [2022-11-03 02:41:48,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10163 to 8814. [2022-11-03 02:41:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8814 states, 5705 states have (on average 1.347589833479404) internal successors, (7688), 5840 states have internal predecessors, (7688), 2575 states have call successors, (2575), 534 states have call predecessors, (2575), 533 states have return successors, (2577), 2539 states have call predecessors, (2577), 2573 states have call successors, (2577) [2022-11-03 02:41:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8814 states to 8814 states and 12840 transitions. [2022-11-03 02:41:48,216 INFO L78 Accepts]: Start accepts. Automaton has 8814 states and 12840 transitions. Word has length 99 [2022-11-03 02:41:48,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:48,218 INFO L495 AbstractCegarLoop]: Abstraction has 8814 states and 12840 transitions. [2022-11-03 02:41:48,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:41:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 8814 states and 12840 transitions. [2022-11-03 02:41:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:41:48,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:48,228 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:48,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:41:48,229 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:48,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash -240132468, now seen corresponding path program 1 times [2022-11-03 02:41:48,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:48,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008086888] [2022-11-03 02:41:48,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:48,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:41:50,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:50,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008086888] [2022-11-03 02:41:50,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008086888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:50,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:50,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543975606] [2022-11-03 02:41:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:50,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:50,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:50,467 INFO L87 Difference]: Start difference. First operand 8814 states and 12840 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:41:52,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:55,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:57,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:02,990 WARN L539 Checker$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 02:42:05,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:07,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:14,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:16,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:19,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:22,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:26,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:30,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:42:32,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:39,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:43,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:48,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:51,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:53,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:55,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:58,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:59,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:01,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:02,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:04,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:08,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:09,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:12,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:14,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:16,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:18,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:18,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:43:18,495 INFO L93 Difference]: Finished difference Result 28395 states and 41767 transitions. [2022-11-03 02:43:18,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:43:18,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 100 [2022-11-03 02:43:18,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:43:18,632 INFO L225 Difference]: With dead ends: 28395 [2022-11-03 02:43:18,632 INFO L226 Difference]: Without dead ends: 19608 [2022-11-03 02:43:18,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:43:18,690 INFO L413 NwaCegarLoop]: 9041 mSDtfsCounter, 7611 mSDsluCounter, 15953 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 222 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7811 SdHoareTripleChecker+Valid, 23496 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:43:18,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7811 Valid, 23496 Invalid, 2812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [222 Valid, 2573 Invalid, 17 Unknown, 0 Unchecked, 87.1s Time] [2022-11-03 02:43:18,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19608 states. [2022-11-03 02:43:19,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19608 to 16927. [2022-11-03 02:43:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16927 states, 10957 states have (on average 1.3469015241398192) internal successors, (14758), 11218 states have internal predecessors, (14758), 4926 states have call successors, (4926), 1044 states have call predecessors, (4926), 1043 states have return successors, (4939), 4852 states have call predecessors, (4939), 4924 states have call successors, (4939) [2022-11-03 02:43:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16927 states to 16927 states and 24623 transitions. [2022-11-03 02:43:19,967 INFO L78 Accepts]: Start accepts. Automaton has 16927 states and 24623 transitions. Word has length 100 [2022-11-03 02:43:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:19,968 INFO L495 AbstractCegarLoop]: Abstraction has 16927 states and 24623 transitions. [2022-11-03 02:43:19,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:43:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16927 states and 24623 transitions. [2022-11-03 02:43:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 02:43:19,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:19,980 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:43:19,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:43:19,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:43:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1013625387, now seen corresponding path program 1 times [2022-11-03 02:43:19,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:43:19,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701606568] [2022-11-03 02:43:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:43:21,760 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:21,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701606568] [2022-11-03 02:43:21,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701606568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:21,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:21,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:43:21,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050921726] [2022-11-03 02:43:21,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:21,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:43:21,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:43:21,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:43:21,762 INFO L87 Difference]: Start difference. First operand 16927 states and 24623 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:43:23,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:26,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:28,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:33,756 WARN L539 Checker$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 02:43:35,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:40,336 WARN L539 Checker$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 02:43:42,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:47,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:49,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:52,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:43:54,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:58,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:01,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:03,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:06,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:08,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:11,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:13,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:16,086 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 02:44:16,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:16,250 INFO L93 Difference]: Finished difference Result 33829 states and 49210 transitions. [2022-11-03 02:44:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:44:16,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 101 [2022-11-03 02:44:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:16,352 INFO L225 Difference]: With dead ends: 33829 [2022-11-03 02:44:16,352 INFO L226 Difference]: Without dead ends: 16929 [2022-11-03 02:44:16,425 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 02:44:16,426 INFO L413 NwaCegarLoop]: 6018 mSDtfsCounter, 0 mSDsluCounter, 6683 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 0 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12024 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:16,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12024 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1373 Invalid, 16 Unknown, 0 Unchecked, 53.8s Time] [2022-11-03 02:44:16,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16929 states. [2022-11-03 02:44:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16929 to 16929. [2022-11-03 02:44:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16929 states, 10959 states have (on average 1.3468382151656173) internal successors, (14760), 11220 states have internal predecessors, (14760), 4926 states have call successors, (4926), 1044 states have call predecessors, (4926), 1043 states have return successors, (4939), 4852 states have call predecessors, (4939), 4924 states have call successors, (4939) [2022-11-03 02:44:17,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16929 states to 16929 states and 24625 transitions. [2022-11-03 02:44:17,690 INFO L78 Accepts]: Start accepts. Automaton has 16929 states and 24625 transitions. Word has length 101 [2022-11-03 02:44:17,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:17,691 INFO L495 AbstractCegarLoop]: Abstraction has 16929 states and 24625 transitions. [2022-11-03 02:44:17,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:44:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 16929 states and 24625 transitions. [2022-11-03 02:44:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-03 02:44:17,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:17,697 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:17,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:44:17,698 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:44:17,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1037465257, now seen corresponding path program 1 times [2022-11-03 02:44:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:17,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55990238] [2022-11-03 02:44:17,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:44:19,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:19,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55990238] [2022-11-03 02:44:19,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55990238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:44:19,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265544117] [2022-11-03 02:44:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:19,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:44:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:44:19,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:44:19,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:44:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:23,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 6942 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:44:23,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-03 02:44:25,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:44:25,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265544117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:25,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:44:25,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:44:25,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174791782] [2022-11-03 02:44:25,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:25,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:44:25,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:25,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:44:25,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:44:25,171 INFO L87 Difference]: Start difference. First operand 16929 states and 24625 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:44:27,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:29,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:32,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:34,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:37,420 WARN L539 Checker$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 02:44:39,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:40,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:44,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:46,688 WARN L539 Checker$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 02:44:51,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:54,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:57,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:03,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:45:05,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:09,836 WARN L539 Checker$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 02:45:13,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:17,158 WARN L539 Checker$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 02:45:19,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:21,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:25,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:26,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:27,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:28,113 INFO L93 Difference]: Finished difference Result 32395 states and 48076 transitions. [2022-11-03 02:45:28,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:45:28,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 102 [2022-11-03 02:45:28,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:28,338 INFO L225 Difference]: With dead ends: 32395 [2022-11-03 02:45:28,338 INFO L226 Difference]: Without dead ends: 32391 [2022-11-03 02:45:28,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:45:28,363 INFO L413 NwaCegarLoop]: 8175 mSDtfsCounter, 6296 mSDsluCounter, 6400 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 3 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6301 SdHoareTripleChecker+Valid, 13939 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:28,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6301 Valid, 13939 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1442 Invalid, 16 Unknown, 0 Unchecked, 61.9s Time] [2022-11-03 02:45:28,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32391 states. [2022-11-03 02:45:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32391 to 32247. [2022-11-03 02:45:30,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32247 states, 20963 states have (on average 1.3494728807899632) internal successors, (28289), 21419 states have internal predecessors, (28289), 9262 states have call successors, (9262), 2017 states have call predecessors, (9262), 2021 states have return successors, (10230), 9166 states have call predecessors, (10230), 9260 states have call successors, (10230) [2022-11-03 02:45:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32247 states to 32247 states and 47781 transitions. [2022-11-03 02:45:30,602 INFO L78 Accepts]: Start accepts. Automaton has 32247 states and 47781 transitions. Word has length 102 [2022-11-03 02:45:30,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:30,603 INFO L495 AbstractCegarLoop]: Abstraction has 32247 states and 47781 transitions. [2022-11-03 02:45:30,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 02:45:30,604 INFO L276 IsEmpty]: Start isEmpty. Operand 32247 states and 47781 transitions. [2022-11-03 02:45:30,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:45:30,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:30,611 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:45:30,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:45:30,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_136f89d4-18f5-456b-a1f3-b9db5c7339f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:45:30,834 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:30,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash -32097666, now seen corresponding path program 1 times [2022-11-03 02:45:30,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:30,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341672873] [2022-11-03 02:45:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-03 02:45:32,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:32,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341672873] [2022-11-03 02:45:32,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341672873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:32,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:32,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:45:32,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724999553] [2022-11-03 02:45:32,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:32,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:45:32,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:32,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:45:32,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:45:32,230 INFO L87 Difference]: Start difference. First operand 32247 states and 47781 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:45:34,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:36,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:39,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:43,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:45,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:47,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:51,855 WARN L539 Checker$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 02:45:56,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:59,497 WARN L539 Checker$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 02:46:03,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:46:06,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:07,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:10,708 WARN L539 Checker$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 02:46:13,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:19,038 WARN L539 Checker$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 02:46:24,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:26,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:29,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:31,531 WARN L539 Checker$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 02:46:32,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:35,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:37,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:40,144 WARN L539 Checker$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 02:46:40,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:40,287 INFO L93 Difference]: Finished difference Result 92364 states and 137755 transitions. [2022-11-03 02:46:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:46:40,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 114 [2022-11-03 02:46:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:40,820 INFO L225 Difference]: With dead ends: 92364 [2022-11-03 02:46:40,821 INFO L226 Difference]: Without dead ends: 60144 [2022-11-03 02:46:41,002 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 02:46:41,005 INFO L413 NwaCegarLoop]: 8290 mSDtfsCounter, 5418 mSDsluCounter, 6591 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 5 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5426 SdHoareTripleChecker+Valid, 14208 SdHoareTripleChecker+Invalid, 1691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:41,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5426 Valid, 14208 Invalid, 1691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1668 Invalid, 18 Unknown, 0 Unchecked, 65.4s Time] [2022-11-03 02:46:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60144 states. [2022-11-03 02:46:44,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60144 to 59991. [2022-11-03 02:46:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59991 states, 38980 states have (on average 1.348435094920472) internal successors, (52562), 39922 states have internal predecessors, (52562), 17171 states have call successors, (17171), 3839 states have call predecessors, (17171), 3839 states have return successors, (20057), 16932 states have call predecessors, (20057), 17169 states have call successors, (20057) [2022-11-03 02:46:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59991 states to 59991 states and 89790 transitions. [2022-11-03 02:46:44,777 INFO L78 Accepts]: Start accepts. Automaton has 59991 states and 89790 transitions. Word has length 114 [2022-11-03 02:46:44,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:44,778 INFO L495 AbstractCegarLoop]: Abstraction has 59991 states and 89790 transitions. [2022-11-03 02:46:44,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:46:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 59991 states and 89790 transitions. [2022-11-03 02:46:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:46:44,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:44,784 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 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] [2022-11-03 02:46:44,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:46:44,785 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:44,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:44,785 INFO L85 PathProgramCache]: Analyzing trace with hash 20725992, now seen corresponding path program 1 times [2022-11-03 02:46:44,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:44,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764484112] [2022-11-03 02:46:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:44,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-03 02:46:46,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:46,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764484112] [2022-11-03 02:46:46,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764484112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:46,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:46,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:46:46,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045913530] [2022-11-03 02:46:46,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:46,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:46:46,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:46,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:46:46,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:46:46,559 INFO L87 Difference]: Start difference. First operand 59991 states and 89790 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 02:46:48,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []