./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/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 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 --- 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 07:31:01,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:31:01,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:31:02,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:31:02,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:31:02,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:31:02,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:31:02,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:31:02,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:31:02,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:31:02,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:31:02,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:31:02,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:31:02,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:31:02,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:31:02,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:31:02,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:31:02,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:31:02,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:31:02,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:31:02,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:31:02,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:31:02,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:31:02,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:31:02,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:31:02,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:31:02,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:31:02,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:31:02,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:31:02,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:31:02,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:31:02,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:31:02,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:31:02,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:31:02,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:31:02,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:31:02,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:31:02,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:31:02,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:31:02,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:31:02,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:31:02,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:31:02,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:31:02,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:31:02,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:31:02,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:31:02,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:31:02,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:31:02,077 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:31:02,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:31:02,077 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:31:02,077 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:31:02,077 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:31:02,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:31:02,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:31:02,078 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:31:02,078 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:31:02,078 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:31:02,079 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:31:02,079 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:31:02,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:31:02,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:31:02,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:31:02,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:31:02,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:31:02,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:31:02,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:31:02,081 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:31:02,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:31:02,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:31:02,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:31:02,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:02,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:31:02,082 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:31:02,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:31:02,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:31:02,083 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:31:02,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:31:02,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:31:02,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:31:02,084 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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 [2022-11-19 07:31:02,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:31:02,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:31:02,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:31:02,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:31:02,373 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:31:02,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-19 07:31:02,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/data/6b6d12609/369b71740efb43339aaafed957251102/FLAGb795ae182 [2022-11-19 07:31:03,542 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:31:03,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-19 07:31:03,641 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/data/6b6d12609/369b71740efb43339aaafed957251102/FLAGb795ae182 [2022-11-19 07:31:03,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/data/6b6d12609/369b71740efb43339aaafed957251102 [2022-11-19 07:31:03,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:31:03,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:31:03,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:03,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:31:03,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:31:03,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:03" (1/1) ... [2022-11-19 07:31:03,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfd37d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:03, skipping insertion in model container [2022-11-19 07:31:03,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:03" (1/1) ... [2022-11-19 07:31:03,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:31:04,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:31:04,835 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2022-11-19 07:31:04,836 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2022-11-19 07:31:05,513 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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2022-11-19 07:31:11,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:12,017 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:31:12,150 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2022-11-19 07:31:12,151 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2022-11-19 07:31:12,171 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_241d41c9-89f5-42e0-aeda-e20e16cc8e02/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2022-11-19 07:31:12,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:13,365 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:31:13,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13 WrapperNode [2022-11-19 07:31:13,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:13,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:13,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:31:13,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:31:13,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:13,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:16,644 INFO L138 Inliner]: procedures = 855, calls = 12358, calls flagged for inlining = 306, calls inlined = 282, statements flattened = 20161 [2022-11-19 07:31:16,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:16,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:31:16,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:31:16,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:31:16,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:16,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:17,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:17,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:19,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:19,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:20,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:20,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:20,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:31:20,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:31:20,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:31:20,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:31:20,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (1/1) ... [2022-11-19 07:31:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:20,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:20,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:31:20,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:31:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-19 07:31:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-19 07:31:20,793 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 07:31:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 07:31:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-19 07:31:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-19 07:31:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:31:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:31:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-19 07:31:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-19 07:31:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-19 07:31:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-19 07:31:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:31:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:31:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-19 07:31:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-19 07:31:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:31:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:31:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-19 07:31:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-19 07:31:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:31:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 07:31:20,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-19 07:31:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-19 07:31:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-19 07:31:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-19 07:31:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-19 07:31:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-19 07:31:20,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:31:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:31:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:31:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:31:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-19 07:31:20,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-19 07:31:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-19 07:31:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-19 07:31:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-19 07:31:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:31:20,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:31:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-19 07:31:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-19 07:31:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-19 07:31:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-19 07:31:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-19 07:31:20,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-19 07:31:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2022-11-19 07:31:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2022-11-19 07:31:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:31:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:31:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-19 07:31:20,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-19 07:31:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-19 07:31:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-19 07:31:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-19 07:31:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-19 07:31:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:31:20,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:31:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-19 07:31:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-19 07:31:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_operation_mode [2022-11-19 07:31:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_operation_mode [2022-11-19 07:31:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-19 07:31:20,805 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-19 07:31:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-19 07:31:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-19 07:31:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-19 07:31:20,806 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-19 07:31:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:31:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-19 07:31:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-19 07:31:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-19 07:31:20,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-19 07:31:20,807 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-19 07:31:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-19 07:31:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:31:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:31:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-19 07:31:20,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-19 07:31:20,808 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-19 07:31:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-19 07:31:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-19 07:31:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-19 07:31:20,809 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 07:31:20,809 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 07:31:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-19 07:31:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-19 07:31:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-19 07:31:20,810 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-19 07:31:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:31:20,810 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-19 07:31:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-19 07:31:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-19 07:31:20,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-19 07:31:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:31:20,811 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:31:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:31:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-19 07:31:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-19 07:31:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:31:20,812 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-19 07:31:20,812 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-19 07:31:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:31:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:31:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:31:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 07:31:20,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 07:31:20,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 07:31:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 07:31:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-19 07:31:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-19 07:31:20,814 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:31:20,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:31:20,815 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-19 07:31:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-19 07:31:20,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:31:20,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 07:31:20,815 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-19 07:31:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-19 07:31:20,816 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-19 07:31:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-19 07:31:20,816 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm___0 [2022-11-19 07:31:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm___0 [2022-11-19 07:31:20,816 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 07:31:20,817 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 07:31:20,817 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:31:20,817 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:31:20,817 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-19 07:31:20,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-19 07:31:20,817 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-19 07:31:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-19 07:31:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 07:31:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 07:31:20,818 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-19 07:31:20,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-19 07:31:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-19 07:31:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-19 07:31:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-19 07:31:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-19 07:31:20,819 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-19 07:31:20,819 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-19 07:31:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:31:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:31:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-19 07:31:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-19 07:31:20,820 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-19 07:31:20,820 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-19 07:31:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-19 07:31:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-19 07:31:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-19 07:31:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-19 07:31:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-19 07:31:20,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-19 07:31:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-19 07:31:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-19 07:31:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:31:20,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:31:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-19 07:31:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-19 07:31:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 07:31:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 07:31:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-19 07:31:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-19 07:31:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-19 07:31:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-19 07:31:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-19 07:31:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-19 07:31:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-19 07:31:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-19 07:31:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:31:20,825 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 07:31:20,825 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 07:31:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-19 07:31:20,825 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-19 07:31:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-19 07:31:20,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-19 07:31:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:31:20,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:31:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_init [2022-11-19 07:31:20,826 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_init [2022-11-19 07:31:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm___0 [2022-11-19 07:31:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm___0 [2022-11-19 07:31:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 07:31:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-19 07:31:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-19 07:31:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-19 07:31:20,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-19 07:31:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-19 07:31:20,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-19 07:31:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:31:20,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:31:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-19 07:31:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-19 07:31:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-19 07:31:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-19 07:31:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 07:31:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 07:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:31:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-19 07:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-19 07:31:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-19 07:31:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:31:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:31:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-11-19 07:31:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-11-19 07:31:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-19 07:31:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-19 07:31:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-19 07:31:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-19 07:31:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 07:31:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 07:31:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-19 07:31:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-19 07:31:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:31:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:31:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_dma_regs [2022-11-19 07:31:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_dma_regs [2022-11-19 07:31:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 07:31:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 07:31:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:31:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-19 07:31:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-19 07:31:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-19 07:31:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-19 07:31:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:31:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-19 07:31:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-19 07:31:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-19 07:31:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-19 07:31:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:31:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:31:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-19 07:31:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-19 07:31:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-19 07:31:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-19 07:31:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-19 07:31:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-19 07:31:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-19 07:31:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-19 07:31:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-19 07:31:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-19 07:31:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:31:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:31:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-19 07:31:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-19 07:31:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:31:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:31:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-19 07:31:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-19 07:31:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:31:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:31:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-19 07:31:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-19 07:31:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-19 07:31:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-19 07:31:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-19 07:31:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-19 07:31:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-19 07:31:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-19 07:31:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-19 07:31:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-19 07:31:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:31:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:31:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:31:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:31:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-19 07:31:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-19 07:31:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:31:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:31:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-19 07:31:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-19 07:31:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-19 07:31:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-19 07:31:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:31:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-19 07:31:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-19 07:31:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-19 07:31:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-19 07:31:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 07:31:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 07:31:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:31:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:31:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-19 07:31:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-19 07:31:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:31:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:31:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-19 07:31:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-19 07:31:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-19 07:31:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-19 07:31:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2022-11-19 07:31:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2022-11-19 07:31:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-19 07:31:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-19 07:31:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-19 07:31:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-19 07:31:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 07:31:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 07:31:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 07:31:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 07:31:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-19 07:31:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-19 07:31:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-19 07:31:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-19 07:31:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-19 07:31:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-19 07:31:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-19 07:31:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-19 07:31:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 07:31:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-19 07:31:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-19 07:31:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-19 07:31:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-19 07:31:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-19 07:31:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-19 07:31:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-19 07:31:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-19 07:31:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-19 07:31:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-19 07:31:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-19 07:31:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-19 07:31:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-19 07:31:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-19 07:31:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-19 07:31:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 07:31:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 07:31:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-19 07:31:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-19 07:31:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-19 07:31:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-19 07:31:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-19 07:31:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-19 07:31:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:31:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:31:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:31:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:31:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-19 07:31:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-19 07:31:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-19 07:31:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-19 07:31:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:31:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:31:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-19 07:31:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-19 07:31:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-19 07:31:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-19 07:31:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-19 07:31:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-19 07:31:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:31:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:31:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3___0 [2022-11-19 07:31:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3___0 [2022-11-19 07:31:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-19 07:31:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-19 07:31:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-19 07:31:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-19 07:31:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-19 07:31:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-19 07:31:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:31:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:31:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-19 07:31:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-19 07:31:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-19 07:31:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-19 07:31:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:31:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-19 07:31:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-19 07:31:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-19 07:31:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-19 07:31:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-19 07:31:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-19 07:31:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-19 07:31:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-19 07:31:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-19 07:31:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-19 07:31:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-19 07:31:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-19 07:31:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:31:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:31:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-19 07:31:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-19 07:31:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-19 07:31:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-19 07:31:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:31:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:31:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:31:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-19 07:31:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-19 07:31:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-19 07:31:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-19 07:31:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-19 07:31:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-19 07:31:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 07:31:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 07:31:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-19 07:31:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-19 07:31:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:31:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:31:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:31:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-19 07:31:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-19 07:31:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:31:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:31:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-19 07:31:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-19 07:31:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:31:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:31:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_16 [2022-11-19 07:31:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_16 [2022-11-19 07:31:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_14 [2022-11-19 07:31:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_14 [2022-11-19 07:31:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-19 07:31:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-19 07:31:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-11-19 07:31:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-11-19 07:31:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:31:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:31:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-19 07:31:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-19 07:31:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-19 07:31:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-19 07:31:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-19 07:31:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-19 07:31:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-19 07:31:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-19 07:31:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-19 07:31:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-19 07:31:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_18 [2022-11-19 07:31:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_18 [2022-11-19 07:31:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-19 07:31:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-19 07:31:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-19 07:31:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-19 07:31:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-19 07:31:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-19 07:31:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-19 07:31:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-19 07:31:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-19 07:31:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-19 07:31:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:31:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:31:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-19 07:31:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-19 07:31:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-19 07:31:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-19 07:31:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-19 07:31:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-19 07:31:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 07:31:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 07:31:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-19 07:31:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-19 07:31:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-19 07:31:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-19 07:31:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-19 07:31:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-19 07:31:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-19 07:31:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-19 07:31:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-19 07:31:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-19 07:31:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-19 07:31:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-19 07:31:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:31:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:31:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-11-19 07:31:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-11-19 07:31:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-19 07:31:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-19 07:31:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-19 07:31:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-19 07:31:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:31:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:31:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-19 07:31:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-19 07:31:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure socfpga_dwmac_probe [2022-11-19 07:31:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure socfpga_dwmac_probe [2022-11-19 07:31:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-19 07:31:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-19 07:31:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-19 07:31:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-19 07:31:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-19 07:31:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-19 07:31:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-19 07:31:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-19 07:31:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-19 07:31:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-19 07:31:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-19 07:31:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-19 07:31:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-19 07:31:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-19 07:31:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 07:31:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 07:31:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-19 07:31:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-19 07:31:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-19 07:31:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-19 07:31:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 07:31:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 07:31:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_fix_features [2022-11-19 07:31:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_fix_features [2022-11-19 07:31:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-19 07:31:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-19 07:31:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-19 07:31:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-19 07:31:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-19 07:31:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-19 07:31:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-19 07:31:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-19 07:31:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-19 07:31:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-19 07:31:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:31:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:31:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:31:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_8 [2022-11-19 07:31:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_8 [2022-11-19 07:31:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-19 07:31:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-19 07:31:20,878 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 07:31:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 07:31:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-19 07:31:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-19 07:31:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 07:31:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 07:31:20,879 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-19 07:31:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-19 07:31:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-19 07:31:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-19 07:31:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-19 07:31:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-19 07:31:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-19 07:31:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-19 07:31:20,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:31:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:31:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:31:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:31:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-19 07:31:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-19 07:31:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-19 07:31:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-19 07:31:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-19 07:31:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-19 07:31:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-19 07:31:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-19 07:31:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 07:31:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 07:31:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-19 07:31:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-19 07:31:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:31:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:31:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-19 07:31:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-19 07:31:20,883 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-19 07:31:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-19 07:31:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-19 07:31:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-19 07:31:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 07:31:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 07:31:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:31:20,884 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-19 07:31:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-19 07:31:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:31:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:31:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-19 07:31:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-19 07:31:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-19 07:31:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-19 07:31:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-19 07:31:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-19 07:31:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:31:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:31:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-19 07:31:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-19 07:31:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-19 07:31:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-19 07:31:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-19 07:31:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-19 07:31:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-19 07:31:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-19 07:31:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-19 07:31:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-19 07:31:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:31:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 07:31:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:31:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:31:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-19 07:31:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-19 07:31:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-19 07:31:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-19 07:31:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-19 07:31:20,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-19 07:31:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-19 07:31:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-19 07:31:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-19 07:31:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-19 07:31:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-11-19 07:31:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-11-19 07:31:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-19 07:31:20,889 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-19 07:31:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-19 07:31:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-19 07:31:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:31:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:31:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-19 07:31:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-19 07:31:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:31:20,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:31:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-19 07:31:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-19 07:31:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-19 07:31:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-19 07:31:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-19 07:31:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-19 07:31:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-19 07:31:20,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-19 07:31:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-19 07:31:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-19 07:31:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2022-11-19 07:31:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2022-11-19 07:31:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-19 07:31:20,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-19 07:31:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-19 07:31:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-19 07:31:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 07:31:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 07:31:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-19 07:31:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-19 07:31:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:31:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:31:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:31:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 07:31:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-19 07:31:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-19 07:31:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 07:31:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 07:31:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-19 07:31:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-19 07:31:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-19 07:31:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-19 07:31:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-19 07:31:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-19 07:31:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:31:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 07:31:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-19 07:31:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-19 07:31:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-19 07:31:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-19 07:31:22,908 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:31:22,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:31:23,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:33:03,415 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:36:59,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:36:59,086 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:36:59,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:59 BoogieIcfgContainer [2022-11-19 07:36:59,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:36:59,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:36:59,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:36:59,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:36:59,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:31:03" (1/3) ... [2022-11-19 07:36:59,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c082127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:59, skipping insertion in model container [2022-11-19 07:36:59,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:13" (2/3) ... [2022-11-19 07:36:59,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c082127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:59, skipping insertion in model container [2022-11-19 07:36:59,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:59" (3/3) ... [2022-11-19 07:36:59,118 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2022-11-19 07:36:59,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:36:59,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:36:59,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:36:59,311 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;@6aa0e1c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:36:59,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:36:59,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 4765 states, 2934 states have (on average 1.3445807770961145) internal successors, (3945), 3058 states have internal predecessors, (3945), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) [2022-11-19 07:36:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-19 07:36:59,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:59,390 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 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] [2022-11-19 07:36:59,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:59,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:59,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1807798825, now seen corresponding path program 1 times [2022-11-19 07:36:59,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:59,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852927381] [2022-11-19 07:36:59,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:59,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:00,618 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:37:00,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714366280] [2022-11-19 07:37:00,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:00,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:00,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:37:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:10,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 17666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:37:10,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-19 07:37:10,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:10,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:10,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852927381] [2022-11-19 07:37:10,476 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:37:10,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714366280] [2022-11-19 07:37:10,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714366280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:10,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:10,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:10,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078906515] [2022-11-19 07:37:10,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:10,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:10,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:10,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:10,533 INFO L87 Difference]: Start difference. First operand has 4765 states, 2934 states have (on average 1.3445807770961145) internal successors, (3945), 3058 states have internal predecessors, (3945), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:37:12,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:18,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:28,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:31,830 INFO L93 Difference]: Finished difference Result 14130 states and 21140 transitions. [2022-11-19 07:37:31,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:31,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 112 [2022-11-19 07:37:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:31,953 INFO L225 Difference]: With dead ends: 14130 [2022-11-19 07:37:31,954 INFO L226 Difference]: Without dead ends: 9308 [2022-11-19 07:37:31,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 07:37:32,009 INFO L413 NwaCegarLoop]: 8068 mSDtfsCounter, 6857 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 32 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6859 SdHoareTripleChecker+Valid, 14391 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:32,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6859 Valid, 14391 Invalid, 1426 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 1392 Invalid, 2 Unknown, 0 Unchecked, 20.5s Time] [2022-11-19 07:37:32,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9308 states. [2022-11-19 07:37:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9308 to 9288. [2022-11-19 07:37:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9288 states, 5753 states have (on average 1.3320006952894141) internal successors, (7663), 5947 states have internal predecessors, (7663), 2915 states have call successors, (2915), 623 states have call predecessors, (2915), 619 states have return successors, (3172), 2788 states have call predecessors, (3172), 2914 states have call successors, (3172) [2022-11-19 07:37:33,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9288 states to 9288 states and 13750 transitions. [2022-11-19 07:37:33,154 INFO L78 Accepts]: Start accepts. Automaton has 9288 states and 13750 transitions. Word has length 112 [2022-11-19 07:37:33,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:33,155 INFO L495 AbstractCegarLoop]: Abstraction has 9288 states and 13750 transitions. [2022-11-19 07:37:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:37:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 9288 states and 13750 transitions. [2022-11-19 07:37:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-19 07:37:33,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:33,175 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:37:33,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:33,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 07:37:33,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:33,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1958972507, now seen corresponding path program 1 times [2022-11-19 07:37:33,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:33,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834047324] [2022-11-19 07:37:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:33,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-19 07:37:35,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:35,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834047324] [2022-11-19 07:37:35,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834047324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:35,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:35,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:35,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154282394] [2022-11-19 07:37:35,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:35,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:35,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:35,571 INFO L87 Difference]: Start difference. First operand 9288 states and 13750 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:37:39,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:43,897 WARN L539 Checker$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 07:37:48,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:54,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:56,229 INFO L93 Difference]: Finished difference Result 27711 states and 40992 transitions. [2022-11-19 07:37:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 136 [2022-11-19 07:37:56,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:56,368 INFO L225 Difference]: With dead ends: 27711 [2022-11-19 07:37:56,368 INFO L226 Difference]: Without dead ends: 18440 [2022-11-19 07:37:56,419 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 07:37:56,420 INFO L413 NwaCegarLoop]: 7713 mSDtfsCounter, 6754 mSDsluCounter, 6212 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6758 SdHoareTripleChecker+Valid, 13925 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:56,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6758 Valid, 13925 Invalid, 1270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1266 Invalid, 2 Unknown, 0 Unchecked, 19.8s Time] [2022-11-19 07:37:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18440 states. [2022-11-19 07:37:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18440 to 18432. [2022-11-19 07:37:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18432 states, 11403 states have (on average 1.3302639656230817) internal successors, (15169), 11795 states have internal predecessors, (15169), 5791 states have call successors, (5791), 1245 states have call predecessors, (5791), 1237 states have return successors, (6298), 5533 states have call predecessors, (6298), 5790 states have call successors, (6298) [2022-11-19 07:37:57,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18432 states to 18432 states and 27258 transitions. [2022-11-19 07:37:57,835 INFO L78 Accepts]: Start accepts. Automaton has 18432 states and 27258 transitions. Word has length 136 [2022-11-19 07:37:57,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:57,836 INFO L495 AbstractCegarLoop]: Abstraction has 18432 states and 27258 transitions. [2022-11-19 07:37:57,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:37:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 18432 states and 27258 transitions. [2022-11-19 07:37:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 07:37:57,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:57,855 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 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] [2022-11-19 07:37:57,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:37:57,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:57,856 INFO L85 PathProgramCache]: Analyzing trace with hash -471665541, now seen corresponding path program 1 times [2022-11-19 07:37:57,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:57,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427788218] [2022-11-19 07:37:57,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:57,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-19 07:37:59,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:59,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427788218] [2022-11-19 07:37:59,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427788218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:59,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:59,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:59,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193126017] [2022-11-19 07:37:59,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:59,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:59,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:59,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:59,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:59,595 INFO L87 Difference]: Start difference. First operand 18432 states and 27258 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:38:01,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:08,122 WARN L539 Checker$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 07:38:11,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:14,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:20,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:21,148 INFO L93 Difference]: Finished difference Result 55141 states and 81518 transitions. [2022-11-19 07:38:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:21,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2022-11-19 07:38:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:21,376 INFO L225 Difference]: With dead ends: 55141 [2022-11-19 07:38:21,377 INFO L226 Difference]: Without dead ends: 36726 [2022-11-19 07:38:21,468 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 07:38:21,470 INFO L413 NwaCegarLoop]: 7777 mSDtfsCounter, 6793 mSDsluCounter, 6234 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6795 SdHoareTripleChecker+Valid, 14011 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:21,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6795 Valid, 14011 Invalid, 1296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1293 Invalid, 2 Unknown, 0 Unchecked, 20.4s Time] [2022-11-19 07:38:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36726 states. [2022-11-19 07:38:23,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36726 to 36720. [2022-11-19 07:38:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36720 states, 22711 states have (on average 1.329884197085113) internal successors, (30203), 23493 states have internal predecessors, (30203), 11535 states have call successors, (11535), 2489 states have call predecessors, (11535), 2473 states have return successors, (12538), 11021 states have call predecessors, (12538), 11534 states have call successors, (12538) [2022-11-19 07:38:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36720 states to 36720 states and 54276 transitions. [2022-11-19 07:38:23,957 INFO L78 Accepts]: Start accepts. Automaton has 36720 states and 54276 transitions. Word has length 140 [2022-11-19 07:38:23,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:23,958 INFO L495 AbstractCegarLoop]: Abstraction has 36720 states and 54276 transitions. [2022-11-19 07:38:23,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:38:23,959 INFO L276 IsEmpty]: Start isEmpty. Operand 36720 states and 54276 transitions. [2022-11-19 07:38:23,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-19 07:38:23,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:23,980 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 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] [2022-11-19 07:38:23,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:38:23,981 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:23,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:23,982 INFO L85 PathProgramCache]: Analyzing trace with hash 135188595, now seen corresponding path program 1 times [2022-11-19 07:38:23,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:23,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455470887] [2022-11-19 07:38:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:24,866 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:38:24,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316947440] [2022-11-19 07:38:24,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:24,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:24,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:24,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:38:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:34,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 18501 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:38:34,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-19 07:38:34,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:38:34,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:34,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455470887] [2022-11-19 07:38:34,766 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:38:34,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316947440] [2022-11-19 07:38:34,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316947440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:38:34,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:38:34,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:38:34,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268327310] [2022-11-19 07:38:34,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:38:34,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:38:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:38:34,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:38:34,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:38:34,769 INFO L87 Difference]: Start difference. First operand 36720 states and 54276 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:38:36,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:37,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:40,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:44,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:52,278 WARN L539 Checker$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 07:38:56,879 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 07:39:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:39:00,213 INFO L93 Difference]: Finished difference Result 73440 states and 110897 transitions. [2022-11-19 07:39:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:39:00,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2022-11-19 07:39:00,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:39:00,438 INFO L225 Difference]: With dead ends: 73440 [2022-11-19 07:39:00,439 INFO L226 Difference]: Without dead ends: 36728 [2022-11-19 07:39:00,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:39:00,651 INFO L413 NwaCegarLoop]: 6248 mSDtfsCounter, 1 mSDsluCounter, 12480 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 14 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 18728 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:39:00,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 18728 Invalid, 1911 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 1893 Invalid, 4 Unknown, 0 Unchecked, 24.1s Time] [2022-11-19 07:39:00,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36728 states. [2022-11-19 07:39:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36728 to 36728. [2022-11-19 07:39:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36728 states, 22719 states have (on average 1.3297680355649457) internal successors, (30211), 23501 states have internal predecessors, (30211), 11535 states have call successors, (11535), 2489 states have call predecessors, (11535), 2473 states have return successors, (12538), 11021 states have call predecessors, (12538), 11534 states have call successors, (12538) [2022-11-19 07:39:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36728 states to 36728 states and 54284 transitions. [2022-11-19 07:39:03,081 INFO L78 Accepts]: Start accepts. Automaton has 36728 states and 54284 transitions. Word has length 161 [2022-11-19 07:39:03,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:39:03,081 INFO L495 AbstractCegarLoop]: Abstraction has 36728 states and 54284 transitions. [2022-11-19 07:39:03,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:39:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 36728 states and 54284 transitions. [2022-11-19 07:39:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-19 07:39:03,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:39:03,101 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 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] [2022-11-19 07:39:03,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:39:03,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:03,326 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:39:03,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:39:03,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1882628775, now seen corresponding path program 1 times [2022-11-19 07:39:03,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:39:03,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405919694] [2022-11-19 07:39:03,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:03,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:39:04,195 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:39:04,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741894102] [2022-11-19 07:39:04,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:39:04,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:39:04,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:04,197 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:39:04,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d41c9-89f5-42e0-aeda-e20e16cc8e02/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process