./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS --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 2deb682799b90f991b851e90c3ca39bda3d73b50fff973fc7d798479449281a4 --- 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-8393723 [2022-11-19 06:40:29,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:40:29,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:40:29,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:40:29,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:40:29,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:40:29,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:40:29,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:40:29,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:40:29,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:40:29,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:40:29,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:40:29,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:40:29,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:40:29,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:40:29,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:40:29,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:40:29,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:40:29,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:40:29,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:40:29,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:40:29,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:40:29,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:40:29,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:40:29,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:40:29,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:40:29,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:40:29,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:40:29,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:40:29,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:40:29,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:40:29,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:40:29,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:40:29,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:40:29,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:40:29,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:40:29,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:40:29,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:40:29,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:40:29,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:40:29,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:40:29,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:40:29,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:40:29,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:40:29,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:40:29,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:40:29,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:40:29,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:40:29,237 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:40:29,237 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:40:29,238 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:40:29,238 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:40:29,238 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:40:29,239 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:40:29,239 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:40:29,239 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:40:29,240 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:40:29,240 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:40:29,241 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:40:29,241 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:40:29,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:40:29,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:40:29,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:40:29,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:40:29,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:40:29,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:40:29,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:40:29,244 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:40:29,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:40:29,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:40:29,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:40:29,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:29,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:40:29,246 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:40:29,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:40:29,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:40:29,247 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:40:29,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:40:29,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:40:29,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:40:29,248 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_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2deb682799b90f991b851e90c3ca39bda3d73b50fff973fc7d798479449281a4 [2022-11-19 06:40:29,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:40:29,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:40:29,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:40:29,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:40:29,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:40:29,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 06:40:29,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/data/8718e5321/bbce2e63a5de403ea3bd7c7563e2ac24/FLAG767f25b4c [2022-11-19 06:40:31,015 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:40:31,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 06:40:31,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/data/8718e5321/bbce2e63a5de403ea3bd7c7563e2ac24/FLAG767f25b4c [2022-11-19 06:40:31,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/data/8718e5321/bbce2e63a5de403ea3bd7c7563e2ac24 [2022-11-19 06:40:31,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:40:31,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:40:31,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:31,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:40:31,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:40:31,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:31" (1/1) ... [2022-11-19 06:40:31,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aeaffaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:31, skipping insertion in model container [2022-11-19 06:40:31,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:40:31" (1/1) ... [2022-11-19 06:40:31,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:40:31,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:40:38,134 WARN L234 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_42d51f2c-7266-426e-9480-3fd9b9956c1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525683,525696] [2022-11-19 06:40:38,140 WARN L234 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_42d51f2c-7266-426e-9480-3fd9b9956c1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525828,525841] [2022-11-19 06:40:38,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:38,261 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:40:38,915 WARN L234 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_42d51f2c-7266-426e-9480-3fd9b9956c1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525683,525696] [2022-11-19 06:40:38,916 WARN L234 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_42d51f2c-7266-426e-9480-3fd9b9956c1b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i[525828,525841] [2022-11-19 06:40:38,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:40:39,408 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:40:39,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39 WrapperNode [2022-11-19 06:40:39,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:40:39,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:39,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:40:39,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:40:39,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:39,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:39,945 INFO L138 Inliner]: procedures = 741, calls = 4166, calls flagged for inlining = 395, calls inlined = 357, statements flattened = 10257 [2022-11-19 06:40:39,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:40:39,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:40:39,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:40:39,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:40:39,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:39,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,456 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:40:40,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:40:40,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:40:40,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:40:40,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (1/1) ... [2022-11-19 06:40:40,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:40:40,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:40:40,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:40:40,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42d51f2c-7266-426e-9480-3fd9b9956c1b/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:40:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_regs_len [2022-11-19 06:40:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_regs_len [2022-11-19 06:40:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 06:40:40,623 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 06:40:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 06:40:40,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 06:40:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:40:40,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:40:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-19 06:40:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-19 06:40:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 06:40:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 06:40:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:40:40,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:40:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outhash [2022-11-19 06:40:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outhash [2022-11-19 06:40:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-19 06:40:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-19 06:40:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:40:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:40:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_read [2022-11-19 06:40:40,627 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_read [2022-11-19 06:40:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 06:40:40,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 06:40:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:40:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:40:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-19 06:40:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-19 06:40:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:40:40,628 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:40:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure skge_led [2022-11-19 06:40:40,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_led [2022-11-19 06:40:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure skge_usecs2clk [2022-11-19 06:40:40,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_usecs2clk [2022-11-19 06:40:40,629 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-11-19 06:40:40,629 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-11-19 06:40:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 06:40:40,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 06:40:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-19 06:40:40,630 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-19 06:40:40,630 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 06:40:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 06:40:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-19 06:40:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-19 06:40:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-19 06:40:40,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-19 06:40:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock [2022-11-19 06:40:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock [2022-11-19 06:40:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write32 [2022-11-19 06:40:40,632 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write32 [2022-11-19 06:40:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:40:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:40:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 06:40:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 06:40:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write8 [2022-11-19 06:40:40,633 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write8 [2022-11-19 06:40:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:40:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:40:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 06:40:40,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 06:40:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 06:40:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 06:40:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:40:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:40:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:40:40,635 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:40:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 06:40:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 06:40:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_link_up [2022-11-19 06:40:40,636 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_link_up [2022-11-19 06:40:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:40:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 06:40:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 06:40:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_timeout [2022-11-19 06:40:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_timeout [2022-11-19 06:40:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-19 06:40:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-19 06:40:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 06:40:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 06:40:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-11-19 06:40:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-11-19 06:40:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_reset [2022-11-19 06:40:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_reset [2022-11-19 06:40:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 06:40:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 06:40:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:40:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:40:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 06:40:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 06:40:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:40:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ramset [2022-11-19 06:40:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ramset [2022-11-19 06:40:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:40:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:40:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 06:40:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 06:40:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 06:40:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 06:40:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:40:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 06:40:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 06:40:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure skge_set_multicast [2022-11-19 06:40:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_set_multicast [2022-11-19 06:40:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:40:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure bcom_check_link [2022-11-19 06:40:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bcom_check_link [2022-11-19 06:40:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:40:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:40:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 06:40:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 06:40:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure skge_remove [2022-11-19 06:40:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_remove [2022-11-19 06:40:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:40:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:40:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-11-19 06:40:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-11-19 06:40:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure skge_suspend [2022-11-19 06:40:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_suspend [2022-11-19 06:40:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 06:40:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 06:40:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write16 [2022-11-19 06:40:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write16 [2022-11-19 06:40:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 06:40:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 06:40:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 06:40:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 06:40:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:40:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:40:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-19 06:40:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-19 06:40:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 06:40:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 06:40:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 06:40:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 06:40:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:40:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:40:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure xm_write16 [2022-11-19 06:40:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_write16 [2022-11-19 06:40:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_parity [2022-11-19 06:40:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_parity [2022-11-19 06:40:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-19 06:40:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-19 06:40:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_skge_hw [2022-11-19 06:40:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_skge_hw [2022-11-19 06:40:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:40:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 06:40:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 06:40:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 06:40:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 06:40:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-19 06:40:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-19 06:40:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-19 06:40:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-19 06:40:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 06:40:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 06:40:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-19 06:40:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-19 06:40:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 06:40:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 06:40:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 06:40:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 06:40:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_down [2022-11-19 06:40:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_down [2022-11-19 06:40:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_setup [2022-11-19 06:40:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_setup [2022-11-19 06:40:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure skge_write32 [2022-11-19 06:40:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_write32 [2022-11-19 06:40:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read8 [2022-11-19 06:40:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read8 [2022-11-19 06:40:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:40:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_clean [2022-11-19 06:40:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_clean [2022-11-19 06:40:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 06:40:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 06:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:40:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:40:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:40:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 06:40:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 06:40:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:40:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:40:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 06:40:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure skge_up [2022-11-19 06:40:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_up [2022-11-19 06:40:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:40:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:40:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure skge_reset [2022-11-19 06:40:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_reset [2022-11-19 06:40:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-19 06:40:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-19 06:40:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-19 06:40:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-19 06:40:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_skge_hw [2022-11-19 06:40:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_skge_hw [2022-11-19 06:40:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure skge_vpd_read [2022-11-19 06:40:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_vpd_read [2022-11-19 06:40:40,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 06:40:40,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 06:40:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure wol_supported [2022-11-19 06:40:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure wol_supported [2022-11-19 06:40:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 06:40:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 06:40:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 06:40:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 06:40:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:40:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:40:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_init [2022-11-19 06:40:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_init [2022-11-19 06:40:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 06:40:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 06:40:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure xm_phy_write [2022-11-19 06:40:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_phy_write [2022-11-19 06:40:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 06:40:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 06:40:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 06:40:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 06:40:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure skge_resume [2022-11-19 06:40:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_resume [2022-11-19 06:40:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_get_stats [2022-11-19 06:40:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_get_stats [2022-11-19 06:40:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 06:40:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 06:40:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure skge_supported_modes [2022-11-19 06:40:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_supported_modes [2022-11-19 06:40:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_103 [2022-11-19 06:40:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_103 [2022-11-19 06:40:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:40:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:40:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:40:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:40:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-11-19 06:40:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-11-19 06:40:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:40:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:40:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:40:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:40:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:40:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:40:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 06:40:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 06:40:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_get_stats [2022-11-19 06:40:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_get_stats [2022-11-19 06:40:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-19 06:40:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-19 06:40:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 06:40:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 06:40:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_add_filter [2022-11-19 06:40:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_add_filter [2022-11-19 06:40:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_skge_hw [2022-11-19 06:40:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_skge_hw [2022-11-19 06:40:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:40:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:40:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_add_filter [2022-11-19 06:40:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_add_filter [2022-11-19 06:40:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 06:40:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 06:40:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:40:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 06:40:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 06:40:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_pauseparam [2022-11-19 06:40:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_pauseparam [2022-11-19 06:40:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 06:40:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 06:40:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure skge_down [2022-11-19 06:40:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_down [2022-11-19 06:40:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-11-19 06:40:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-11-19 06:40:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_skge_cleanup_module_20_2 [2022-11-19 06:40:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_skge_cleanup_module_20_2 [2022-11-19 06:40:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read32 [2022-11-19 06:40:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read32 [2022-11-19 06:40:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 06:40:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 06:40:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-11-19 06:40:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-11-19 06:40:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:40:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:40:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure xm_read16 [2022-11-19 06:40:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_read16 [2022-11-19 06:40:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 06:40:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 06:40:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 06:40:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 06:40:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 06:40:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 06:40:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 06:40:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 06:40:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 06:40:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 06:40:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_link_up [2022-11-19 06:40:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_link_up [2022-11-19 06:40:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:40:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 06:40:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 06:40:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:40:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure skge_tx_unmap [2022-11-19 06:40:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_tx_unmap [2022-11-19 06:40:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure skge_ring_alloc [2022-11-19 06:40:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_ring_alloc [2022-11-19 06:40:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_skge_hw [2022-11-19 06:40:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_skge_hw [2022-11-19 06:40:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-19 06:40:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-19 06:40:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure hwkhz [2022-11-19 06:40:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure hwkhz [2022-11-19 06:40:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:40:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure skge_mac_intr [2022-11-19 06:40:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_mac_intr [2022-11-19 06:40:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:40:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 06:40:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 06:40:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 06:40:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 06:40:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 06:40:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_reset [2022-11-19 06:40:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_reset [2022-11-19 06:40:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-11-19 06:40:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-11-19 06:40:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure __xm_phy_read [2022-11-19 06:40:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __xm_phy_read [2022-11-19 06:40:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure xm_outaddr [2022-11-19 06:40:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_outaddr [2022-11-19 06:40:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:40:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:40:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 06:40:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 06:40:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure skge_devinit [2022-11-19 06:40:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_devinit [2022-11-19 06:40:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 06:40:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 06:40:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 06:40:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 06:40:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-19 06:40:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-19 06:40:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 06:40:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 06:40:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure skge_link_up [2022-11-19 06:40:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_link_up [2022-11-19 06:40:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure skge_nway_reset [2022-11-19 06:40:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_nway_reset [2022-11-19 06:40:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 06:40:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 06:40:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure genesis_mac_init [2022-11-19 06:40:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure genesis_mac_init [2022-11-19 06:40:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-11-19 06:40:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-11-19 06:40:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure skge_avail [2022-11-19 06:40:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_avail [2022-11-19 06:40:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_102 [2022-11-19 06:40:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_102 [2022-11-19 06:40:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read32 [2022-11-19 06:40:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read32 [2022-11-19 06:40:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 06:40:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 06:40:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-11-19 06:40:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-11-19 06:40:40,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-19 06:40:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-19 06:40:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure is_genesis [2022-11-19 06:40:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_genesis [2022-11-19 06:40:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:40:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:40:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock [2022-11-19 06:40:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock [2022-11-19 06:40:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:40:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:40:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:40:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure skge_shutdown [2022-11-19 06:40:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_shutdown [2022-11-19 06:40:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:40:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:40:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure skge_wol_init [2022-11-19 06:40:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_wol_init [2022-11-19 06:40:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 06:40:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 06:40:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure skge_rx_clean [2022-11-19 06:40:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_rx_clean [2022-11-19 06:40:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure skge_netpoll [2022-11-19 06:40:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_netpoll [2022-11-19 06:40:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure skge_intr [2022-11-19 06:40:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_intr [2022-11-19 06:40:40,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 06:40:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 06:40:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure skge_get_eeprom_len [2022-11-19 06:40:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_get_eeprom_len [2022-11-19 06:40:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 06:40:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 06:40:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:40:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:40:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-11-19 06:40:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-11-19 06:40:40,763 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 06:40:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 06:40:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure yukon_speed [2022-11-19 06:40:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure yukon_speed [2022-11-19 06:40:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:40:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:40:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure skge_read16 [2022-11-19 06:40:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_read16 [2022-11-19 06:40:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:40:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-19 06:40:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-19 06:40:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure xm_link_down [2022-11-19 06:40:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure xm_link_down [2022-11-19 06:40:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 06:40:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 06:40:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 06:40:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 06:40:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure skge_show_addr [2022-11-19 06:40:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_show_addr [2022-11-19 06:40:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure skge_qset [2022-11-19 06:40:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skge_qset [2022-11-19 06:40:42,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:40:42,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:40:42,428 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:53:16,936 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 06:53:17,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:53:23,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:53:23,627 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-19 06:53:23,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:53:23 BoogieIcfgContainer [2022-11-19 06:53:23,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:53:23,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:53:23,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:53:23,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:53:23,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:40:31" (1/3) ... [2022-11-19 06:53:23,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e29b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:53:23, skipping insertion in model container [2022-11-19 06:53:23,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:40:39" (2/3) ... [2022-11-19 06:53:23,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e29b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:53:23, skipping insertion in model container [2022-11-19 06:53:23,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:53:23" (3/3) ... [2022-11-19 06:53:23,649 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-skge.cil.i [2022-11-19 06:53:23,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:53:23,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:53:23,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:53:23,825 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;@78ba179b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:53:23,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:53:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 3194 states, 1778 states have (on average 1.2980877390326209) internal successors, (2308), 1857 states have internal predecessors, (2308), 1218 states have call successors, (1218), 198 states have call predecessors, (1218), 197 states have return successors, (1208), 1184 states have call predecessors, (1208), 1208 states have call successors, (1208) [2022-11-19 06:53:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-19 06:53:23,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:23,922 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:23,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:23,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 753934765, now seen corresponding path program 1 times [2022-11-19 06:53:23,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:23,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262289399] [2022-11-19 06:53:23,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3540 trivial. 0 not checked. [2022-11-19 06:53:27,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:27,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262289399] [2022-11-19 06:53:27,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262289399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:27,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:27,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:27,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397527105] [2022-11-19 06:53:27,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:27,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:27,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:27,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:27,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:27,072 INFO L87 Difference]: Start difference. First operand has 3194 states, 1778 states have (on average 1.2980877390326209) internal successors, (2308), 1857 states have internal predecessors, (2308), 1218 states have call successors, (1218), 198 states have call predecessors, (1218), 197 states have return successors, (1208), 1184 states have call predecessors, (1208), 1208 states have call successors, (1208) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-19 06:53:29,290 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 [] [2022-11-19 06:53:40,100 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 [] [2022-11-19 06:53:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:42,534 INFO L93 Difference]: Finished difference Result 9154 states and 13702 transitions. [2022-11-19 06:53:42,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:42,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 354 [2022-11-19 06:53:42,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:42,607 INFO L225 Difference]: With dead ends: 9154 [2022-11-19 06:53:42,607 INFO L226 Difference]: Without dead ends: 5952 [2022-11-19 06:53:42,639 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 [2022-11-19 06:53:42,642 INFO L413 NwaCegarLoop]: 5220 mSDtfsCounter, 4197 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 21 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4199 SdHoareTripleChecker+Valid, 9326 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:42,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4199 Valid, 9326 Invalid, 1203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 1180 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-11-19 06:53:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2022-11-19 06:53:43,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5949. [2022-11-19 06:53:43,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5949 states, 3339 states have (on average 1.2938005390835579) internal successors, (4320), 3488 states have internal predecessors, (4320), 2231 states have call successors, (2231), 378 states have call predecessors, (2231), 378 states have return successors, (2233), 2183 states have call predecessors, (2233), 2231 states have call successors, (2233) [2022-11-19 06:53:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 8784 transitions. [2022-11-19 06:53:43,209 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 8784 transitions. Word has length 354 [2022-11-19 06:53:43,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:43,215 INFO L495 AbstractCegarLoop]: Abstraction has 5949 states and 8784 transitions. [2022-11-19 06:53:43,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-19 06:53:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 8784 transitions. [2022-11-19 06:53:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-19 06:53:43,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:43,239 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:43,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:53:43,240 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:43,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:43,241 INFO L85 PathProgramCache]: Analyzing trace with hash -196374007, now seen corresponding path program 1 times [2022-11-19 06:53:43,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:43,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445360548] [2022-11-19 06:53:43,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3542 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3542 trivial. 0 not checked. [2022-11-19 06:53:45,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:45,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445360548] [2022-11-19 06:53:45,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445360548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:45,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:45,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:45,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123107914] [2022-11-19 06:53:45,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:45,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:45,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:45,657 INFO L87 Difference]: Start difference. First operand 5949 states and 8784 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-19 06:53:47,849 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 [] [2022-11-19 06:54:00,655 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 [] [2022-11-19 06:54:02,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:02,628 INFO L93 Difference]: Finished difference Result 17343 states and 25605 transitions. [2022-11-19 06:54:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:54:02,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 365 [2022-11-19 06:54:02,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:02,718 INFO L225 Difference]: With dead ends: 17343 [2022-11-19 06:54:02,718 INFO L226 Difference]: Without dead ends: 11455 [2022-11-19 06:54:02,760 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 [2022-11-19 06:54:02,761 INFO L413 NwaCegarLoop]: 5822 mSDtfsCounter, 4250 mSDsluCounter, 4020 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4252 SdHoareTripleChecker+Valid, 9842 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:02,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4252 Valid, 9842 Invalid, 1326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1295 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2022-11-19 06:54:02,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11455 states. [2022-11-19 06:54:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11455 to 11449. [2022-11-19 06:54:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11449 states, 6405 states have (on average 1.2872755659640907) internal successors, (8245), 6696 states have internal predecessors, (8245), 4300 states have call successors, (4300), 743 states have call predecessors, (4300), 743 states have return successors, (4306), 4208 states have call predecessors, (4306), 4300 states have call successors, (4306) [2022-11-19 06:54:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11449 states to 11449 states and 16851 transitions. [2022-11-19 06:54:03,521 INFO L78 Accepts]: Start accepts. Automaton has 11449 states and 16851 transitions. Word has length 365 [2022-11-19 06:54:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:03,526 INFO L495 AbstractCegarLoop]: Abstraction has 11449 states and 16851 transitions. [2022-11-19 06:54:03,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-19 06:54:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 11449 states and 16851 transitions. [2022-11-19 06:54:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-19 06:54:03,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:03,553 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:03,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:54:03,553 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:54:03,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1853172364, now seen corresponding path program 1 times [2022-11-19 06:54:03,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:03,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521498922] [2022-11-19 06:54:03,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:03,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3545 trivial. 0 not checked. [2022-11-19 06:54:05,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:05,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521498922] [2022-11-19 06:54:05,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521498922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:05,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:05,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:54:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318805614] [2022-11-19 06:54:05,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:05,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:54:05,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:05,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:54:05,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:54:05,081 INFO L87 Difference]: Start difference. First operand 11449 states and 16851 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-19 06:54:07,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:19,221 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 [] [2022-11-19 06:54:20,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:20,890 INFO L93 Difference]: Finished difference Result 33788 states and 49693 transitions. [2022-11-19 06:54:20,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:54:20,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 389 [2022-11-19 06:54:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:21,053 INFO L225 Difference]: With dead ends: 33788 [2022-11-19 06:54:21,053 INFO L226 Difference]: Without dead ends: 22400 [2022-11-19 06:54:21,130 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 [2022-11-19 06:54:21,136 INFO L413 NwaCegarLoop]: 5985 mSDtfsCounter, 4393 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 10039 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:21,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 10039 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1284 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-11-19 06:54:21,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22400 states. [2022-11-19 06:54:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22400 to 22390. [2022-11-19 06:54:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22390 states, 12545 states have (on average 1.2854523714627342) internal successors, (16126), 13127 states have internal predecessors, (16126), 8372 states have call successors, (8372), 1472 states have call predecessors, (8372), 1472 states have return successors, (8386), 8185 states have call predecessors, (8386), 8372 states have call successors, (8386) [2022-11-19 06:54:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22390 states to 22390 states and 32884 transitions. [2022-11-19 06:54:22,529 INFO L78 Accepts]: Start accepts. Automaton has 22390 states and 32884 transitions. Word has length 389 [2022-11-19 06:54:22,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:22,531 INFO L495 AbstractCegarLoop]: Abstraction has 22390 states and 32884 transitions. [2022-11-19 06:54:22,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-19 06:54:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 22390 states and 32884 transitions. [2022-11-19 06:54:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2022-11-19 06:54:22,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:22,568 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:22,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:54:22,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:54:22,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash -2021619874, now seen corresponding path program 1 times [2022-11-19 06:54:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:22,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27758632] [2022-11-19 06:54:22,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3544 trivial. 0 not checked. [2022-11-19 06:54:24,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:24,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27758632] [2022-11-19 06:54:24,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27758632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:24,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:24,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:54:24,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102656516] [2022-11-19 06:54:24,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:24,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:54:24,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:54:24,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:54:24,573 INFO L87 Difference]: Start difference. First operand 22390 states and 32884 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-19 06:54:26,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:31,926 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 [] [2022-11-19 06:54:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:38,872 INFO L93 Difference]: Finished difference Result 61458 states and 89914 transitions. [2022-11-19 06:54:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:54:38,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 395 [2022-11-19 06:54:38,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:39,138 INFO L225 Difference]: With dead ends: 61458 [2022-11-19 06:54:39,138 INFO L226 Difference]: Without dead ends: 39129 [2022-11-19 06:54:39,234 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 [2022-11-19 06:54:39,238 INFO L413 NwaCegarLoop]: 5078 mSDtfsCounter, 3635 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 9042 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:39,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3637 Valid, 9042 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1188 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2022-11-19 06:54:39,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39129 states. [2022-11-19 06:54:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39129 to 39117. [2022-11-19 06:54:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39117 states, 21692 states have (on average 1.2742024709570348) internal successors, (27640), 22762 states have internal predecessors, (27640), 14691 states have call successors, (14691), 2739 states have call predecessors, (14691), 2733 states have return successors, (14739), 14342 states have call predecessors, (14739), 14691 states have call successors, (14739) [2022-11-19 06:54:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39117 states to 39117 states and 57070 transitions. [2022-11-19 06:54:42,129 INFO L78 Accepts]: Start accepts. Automaton has 39117 states and 57070 transitions. Word has length 395 [2022-11-19 06:54:42,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:54:42,129 INFO L495 AbstractCegarLoop]: Abstraction has 39117 states and 57070 transitions. [2022-11-19 06:54:42,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-19 06:54:42,130 INFO L276 IsEmpty]: Start isEmpty. Operand 39117 states and 57070 transitions. [2022-11-19 06:54:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-19 06:54:42,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:54:42,159 INFO L195 NwaCegarLoop]: trace histogram [32, 30, 30, 30, 30, 30, 30, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:54:42,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:54:42,160 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:54:42,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:54:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash 632087310, now seen corresponding path program 1 times [2022-11-19 06:54:42,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:54:42,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89045589] [2022-11-19 06:54:42,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:54:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:54:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:54:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3616 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3613 trivial. 0 not checked. [2022-11-19 06:54:44,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:54:44,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89045589] [2022-11-19 06:54:44,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89045589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:54:44,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:54:44,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:54:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31873798] [2022-11-19 06:54:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:54:44,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:54:44,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:54:44,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:54:44,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:54:44,134 INFO L87 Difference]: Start difference. First operand 39117 states and 57070 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-19 06:54:46,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 06:54:54,164 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 [] [2022-11-19 06:54:58,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:54:58,746 INFO L93 Difference]: Finished difference Result 79415 states and 115627 transitions. [2022-11-19 06:54:58,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:54:58,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 406 [2022-11-19 06:54:58,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:54:59,046 INFO L225 Difference]: With dead ends: 79415 [2022-11-19 06:54:59,047 INFO L226 Difference]: Without dead ends: 40359 [2022-11-19 06:54:59,224 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 [2022-11-19 06:54:59,227 INFO L413 NwaCegarLoop]: 4368 mSDtfsCounter, 1208 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1208 SdHoareTripleChecker+Valid, 8392 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-11-19 06:54:59,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1208 Valid, 8392 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1150 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2022-11-19 06:54:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40359 states.