./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta --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 5c239738c5bcaa6d0932e9e226032e983634dc69e8293d25e6d6f15c626fb290 --- 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-dbf71c6-m [2022-10-17 17:23:26,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:23:26,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:23:26,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:23:26,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:23:26,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:23:26,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:23:26,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:23:26,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:23:26,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:23:26,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:23:26,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:23:26,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:23:26,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:23:26,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:23:26,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:23:26,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:23:26,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:23:26,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:23:26,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:23:26,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:23:26,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:23:26,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:23:26,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:23:26,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:23:26,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:23:26,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:23:26,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:23:26,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:23:26,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:23:26,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:23:26,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:23:26,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:23:26,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:23:26,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:23:26,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:23:26,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:23:26,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:23:26,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:23:26,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:23:26,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:23:26,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:23:26,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:23:26,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:23:26,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:23:26,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:23:26,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:23:26,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:23:26,295 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:23:26,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:23:26,296 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:23:26,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:23:26,296 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:23:26,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:23:26,297 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:23:26,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:23:26,297 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:23:26,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:23:26,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:23:26,298 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:23:26,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:23:26,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:23:26,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:23:26,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:23:26,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:23:26,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:23:26,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:23:26,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:23:26,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:23:26,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:23:26,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:23:26,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:26,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:23:26,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:23:26,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:23:26,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:23:26,302 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:23:26,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:23:26,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:23:26,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:23:26,303 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_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c239738c5bcaa6d0932e9e226032e983634dc69e8293d25e6d6f15c626fb290 [2022-10-17 17:23:26,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:23:26,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:23:26,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:23:26,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:23:26,573 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:23:26,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2022-10-17 17:23:26,652 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/data/af29b8274/78b89418c02b4cb3a116139d124927af/FLAG8dec642d2 [2022-10-17 17:23:27,592 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:23:27,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2022-10-17 17:23:27,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/data/af29b8274/78b89418c02b4cb3a116139d124927af/FLAG8dec642d2 [2022-10-17 17:23:27,980 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/data/af29b8274/78b89418c02b4cb3a116139d124927af [2022-10-17 17:23:27,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:23:27,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:23:27,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:27,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:23:27,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:23:27,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:27" (1/1) ... [2022-10-17 17:23:27,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419a6fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:27, skipping insertion in model container [2022-10-17 17:23:27,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:27" (1/1) ... [2022-10-17 17:23:28,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:23:28,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:23:30,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[329649,329662] [2022-10-17 17:23:31,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:31,064 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:23:31,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[329649,329662] [2022-10-17 17:23:31,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:31,801 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:23:31,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31 WrapperNode [2022-10-17 17:23:31,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:31,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:31,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:23:31,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:23:31,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:31,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,233 INFO L138 Inliner]: procedures = 328, calls = 2625, calls flagged for inlining = 162, calls inlined = 141, statements flattened = 6471 [2022-10-17 17:23:32,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:32,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:23:32,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:23:32,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:23:32,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,634 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:23:32,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:23:32,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:23:32,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:23:32,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (1/1) ... [2022-10-17 17:23:32,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:23:32,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:23:32,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_125f1262-e59c-4066-a60f-80df4eade8a3/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:23:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 17:23:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 17:23:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-17 17:23:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-17 17:23:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-10-17 17:23:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-10-17 17:23:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:23:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:23:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:23:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:23:32,797 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_rap [2022-10-17 17:23:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_rap [2022-10-17 17:23:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:23:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:23:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-10-17 17:23:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-10-17 17:23:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-10-17 17:23:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-10-17 17:23:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-10-17 17:23:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-10-17 17:23:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-17 17:23:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-17 17:23:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_ioctl [2022-10-17 17:23:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_ioctl [2022-10-17 17:23:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:23:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:23:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:23:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:23:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 17:23:32,800 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 17:23:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 17:23:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-10-17 17:23:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-10-17 17:23:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:23:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:23:32,801 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-10-17 17:23:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-10-17 17:23:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-17 17:23:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-17 17:23:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 17:23:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 17:23:32,802 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:23:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:23:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-10-17 17:23:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-10-17 17:23:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:23:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:23:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 17:23:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 17:23:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:23:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:23:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-17 17:23:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-17 17:23:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-17 17:23:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-17 17:23:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-10-17 17:23:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-10-17 17:23:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-17 17:23:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-10-17 17:23:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-10-17 17:23:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-10-17 17:23:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-10-17 17:23:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-10-17 17:23:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-10-17 17:23:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-10-17 17:23:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:23:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:23:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:23:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-10-17 17:23:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-10-17 17:23:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-17 17:23:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-17 17:23:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-17 17:23:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-10-17 17:23:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:23:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 17:23:32,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 17:23:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-10-17 17:23:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-10-17 17:23:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-17 17:23:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-10-17 17:23:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:23:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:23:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:23:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:23:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-17 17:23:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-17 17:23:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:23:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:23:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-10-17 17:23:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-10-17 17:23:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-10-17 17:23:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-10-17 17:23:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-10-17 17:23:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-10-17 17:23:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-17 17:23:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-17 17:23:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-10-17 17:23:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-10-17 17:23:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-17 17:23:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-17 17:23:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-10-17 17:23:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-10-17 17:23:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-17 17:23:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-17 17:23:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-10-17 17:23:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-10-17 17:23:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:23:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:23:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_stats [2022-10-17 17:23:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_stats [2022-10-17 17:23:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-10-17 17:23:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-10-17 17:23:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-10-17 17:23:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-10-17 17:23:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:23:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-10-17 17:23:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-10-17 17:23:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 17:23:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 17:23:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-17 17:23:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-10-17 17:23:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-10-17 17:23:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-10-17 17:23:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:23:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2022-10-17 17:23:32,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2022-10-17 17:23:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-17 17:23:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-17 17:23:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-10-17 17:23:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-10-17 17:23:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-10-17 17:23:32,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-10-17 17:23:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:23:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_rap [2022-10-17 17:23:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_rap [2022-10-17 17:23:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-17 17:23:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-17 17:23:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 17:23:32,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 17:23:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:23:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:23:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-10-17 17:23:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-10-17 17:23:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-10-17 17:23:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-10-17 17:23:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-10-17 17:23:32,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-10-17 17:23:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:23:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:23:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:23:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:23:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-10-17 17:23:32,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-10-17 17:23:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-10-17 17:23:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-10-17 17:23:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-17 17:23:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-17 17:23:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:23:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:23:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-17 17:23:32,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-17 17:23:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:23:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 17:23:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 17:23:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-10-17 17:23:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-10-17 17:23:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-17 17:23:32,839 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-17 17:23:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-10-17 17:23:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-10-17 17:23:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-10-17 17:23:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-10-17 17:23:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:23:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:23:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:23:32,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:23:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-17 17:23:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-10-17 17:23:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:23:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-17 17:23:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:23:32,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:23:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 17:23:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 17:23:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-10-17 17:23:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-10-17 17:23:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-10-17 17:23:32,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-10-17 17:23:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:23:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-17 17:23:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-17 17:23:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:23:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:23:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:23:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:23:32,843 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-10-17 17:23:32,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-10-17 17:23:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 17:23:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 17:23:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-10-17 17:23:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-10-17 17:23:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-10-17 17:23:32,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-10-17 17:23:32,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-10-17 17:23:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-10-17 17:23:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-10-17 17:23:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-10-17 17:23:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 17:23:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 17:23:32,845 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-10-17 17:23:32,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-10-17 17:23:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-10-17 17:23:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-10-17 17:23:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-10-17 17:23:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-10-17 17:23:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:23:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:23:32,846 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:23:32,846 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:23:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-10-17 17:23:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-10-17 17:23:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-10-17 17:23:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-10-17 17:23:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-17 17:23:32,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-17 17:23:32,847 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-10-17 17:23:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-10-17 17:23:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:23:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-17 17:23:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-17 17:23:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-10-17 17:23:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-10-17 17:23:32,848 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-10-17 17:23:32,848 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-10-17 17:23:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-17 17:23:32,849 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-17 17:23:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-17 17:23:32,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-17 17:23:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:23:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:23:33,967 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:23:33,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:23:34,253 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:23:44,335 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:23:46,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:23:46,891 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:23:46,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:46 BoogieIcfgContainer [2022-10-17 17:23:46,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:23:46,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:23:46,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:23:46,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:23:46,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:23:27" (1/3) ... [2022-10-17 17:23:46,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444075b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:46, skipping insertion in model container [2022-10-17 17:23:46,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:31" (2/3) ... [2022-10-17 17:23:46,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444075b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:46, skipping insertion in model container [2022-10-17 17:23:46,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:46" (3/3) ... [2022-10-17 17:23:46,907 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2022-10-17 17:23:46,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:23:46,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:23:47,039 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:23:47,046 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;@77f39339, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:23:47,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:23:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 1839 states, 1136 states have (on average 1.3380281690140845) internal successors, (1520), 1175 states have internal predecessors, (1520), 593 states have call successors, (593), 111 states have call predecessors, (593), 110 states have return successors, (584), 577 states have call predecessors, (584), 584 states have call successors, (584) [2022-10-17 17:23:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-10-17 17:23:47,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:47,118 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 35, 35, 35, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:23:47,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:47,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:47,124 INFO L85 PathProgramCache]: Analyzing trace with hash 357203092, now seen corresponding path program 1 times [2022-10-17 17:23:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:23:47,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622536941] [2022-10-17 17:23:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:47,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:23:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:23:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4617 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4617 trivial. 0 not checked. [2022-10-17 17:23:49,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:23:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622536941] [2022-10-17 17:23:49,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622536941] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:23:49,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:23:49,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:23:49,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105085926] [2022-10-17 17:23:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:23:49,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:23:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:23:49,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:23:49,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:23:49,703 INFO L87 Difference]: Start difference. First operand has 1839 states, 1136 states have (on average 1.3380281690140845) internal successors, (1520), 1175 states have internal predecessors, (1520), 593 states have call successors, (593), 111 states have call predecessors, (593), 110 states have return successors, (584), 577 states have call predecessors, (584), 584 states have call successors, (584) Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-10-17 17:23:51,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:23:53,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:23:57,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []