./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7 --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 1df443311be544582bda7fb8b919300ca36cfdb9a61007338486667c5bb71a5b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:33:04,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:33:04,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:33:04,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:33:04,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:33:04,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:33:04,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:33:04,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:33:04,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:33:04,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:33:04,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:33:04,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:33:04,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:33:04,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:33:04,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:33:04,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:33:04,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:33:04,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:33:04,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:33:04,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:33:04,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:33:04,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:33:04,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:33:04,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:33:04,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:33:04,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:33:04,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:33:04,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:33:04,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:33:04,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:33:04,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:33:04,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:33:04,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:33:04,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:33:04,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:33:04,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:33:04,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:33:04,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:33:04,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:33:04,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:33:04,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:33:04,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:33:04,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:33:04,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:33:04,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:33:04,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:33:04,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:33:04,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:33:04,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:33:04,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:33:04,480 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:33:04,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:33:04,482 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:33:04,482 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:33:04,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:33:04,483 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:33:04,483 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:33:04,483 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:33:04,484 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:33:04,484 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:33:04,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:33:04,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:33:04,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:33:04,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:33:04,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:33:04,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:33:04,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:33:04,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:33:04,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:33:04,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:33:04,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:33:04,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:04,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:33:04,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:33:04,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:33:04,492 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:33:04,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:33:04,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:33:04,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:33:04,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:33:04,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df443311be544582bda7fb8b919300ca36cfdb9a61007338486667c5bb71a5b [2021-11-25 20:33:04,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:33:04,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:33:04,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:33:04,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:33:04,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:33:04,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 20:33:05,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/data/5efe75667/ea029880083f49bd8525dd431104fdc0/FLAG1682dd2b5 [2021-11-25 20:33:06,438 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:33:06,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 20:33:06,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/data/5efe75667/ea029880083f49bd8525dd431104fdc0/FLAG1682dd2b5 [2021-11-25 20:33:07,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/data/5efe75667/ea029880083f49bd8525dd431104fdc0 [2021-11-25 20:33:07,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:33:07,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:33:07,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:07,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:33:07,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:33:07,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:07" (1/1) ... [2021-11-25 20:33:07,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a4d9e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:07, skipping insertion in model container [2021-11-25 20:33:07,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:07" (1/1) ... [2021-11-25 20:33:07,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:33:07,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:33:12,856 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_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i[504616,504629] [2021-11-25 20:33:12,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:13,053 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:33:13,888 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_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i[504616,504629] [2021-11-25 20:33:13,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:14,248 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:33:14,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14 WrapperNode [2021-11-25 20:33:14,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:14,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:14,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:33:14,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:33:14,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:14,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:14,973 INFO L137 Inliner]: procedures = 544, calls = 3926, calls flagged for inlining = 321, calls inlined = 275, statements flattened = 8543 [2021-11-25 20:33:14,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:14,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:33:14,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:33:14,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:33:14,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:14,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:33:15,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:33:15,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:33:15,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:33:15,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:15,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:15,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:33:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a97f5df9-d989-4b3a-ac7d-71fe394f7b1b/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:33:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-11-25 20:33:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-11-25 20:33:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-11-25 20:33:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:33:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-25 20:33:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 20:33:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:33:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:33:15,748 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:33:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 20:33:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-25 20:33:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-25 20:33:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-11-25 20:33:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-11-25 20:33:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:33:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:33:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:33:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:33:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:33:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:33:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:33:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:33:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 20:33:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 20:33:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:33:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 20:33:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 20:33:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-11-25 20:33:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-11-25 20:33:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 20:33:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-11-25 20:33:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:33:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-25 20:33:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:33:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-25 20:33:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:33:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:33:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:33:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:33:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-11-25 20:33:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-11-25 20:33:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-11-25 20:33:15,753 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:33:15,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:33:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:33:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:33:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:33:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:33:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:33:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:33:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-25 20:33:15,754 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-25 20:33:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:33:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:33:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 20:33:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 20:33:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 20:33:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 20:33:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-11-25 20:33:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-11-25 20:33:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:33:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:33:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-11-25 20:33:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-11-25 20:33:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-11-25 20:33:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-11-25 20:33:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 20:33:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 20:33:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-11-25 20:33:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-11-25 20:33:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-11-25 20:33:15,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 20:33:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:33:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 20:33:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 20:33:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 20:33:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 20:33:15,758 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:33:15,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:33:15,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:33:15,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:33:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:33:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-11-25 20:33:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-11-25 20:33:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-11-25 20:33:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-11-25 20:33:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:33:15,759 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:33:15,759 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-25 20:33:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-25 20:33:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:33:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:33:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-11-25 20:33:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-11-25 20:33:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:33:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:33:15,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 20:33:15,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 20:33:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 20:33:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-11-25 20:33:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:33:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:33:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:33:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:33:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-11-25 20:33:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-11-25 20:33:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-11-25 20:33:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-11-25 20:33:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:33:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:33:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:33:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:33:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:33:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 20:33:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-11-25 20:33:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:33:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:33:15,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:33:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:33:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:33:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 20:33:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 20:33:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:33:15,767 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:33:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:33:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:33:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:33:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:33:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:33:15,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:33:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:33:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-11-25 20:33:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-11-25 20:33:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 20:33:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-11-25 20:33:15,769 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 20:33:15,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 20:33:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:33:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:33:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-11-25 20:33:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-11-25 20:33:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 20:33:15,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 20:33:15,770 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:33:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:33:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:33:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:33:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 20:33:15,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 20:33:15,771 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:33:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:33:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:33:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:33:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:33:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:33:15,772 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-25 20:33:15,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-25 20:33:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-25 20:33:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-25 20:33:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-11-25 20:33:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-11-25 20:33:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:33:15,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:33:15,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:33:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 20:33:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 20:33:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-11-25 20:33:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-11-25 20:33:15,774 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 20:33:15,774 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 20:33:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:33:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:33:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:33:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:33:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:33:15,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:33:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:33:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:33:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-11-25 20:33:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-11-25 20:33:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-11-25 20:33:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-11-25 20:33:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 20:33:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 20:33:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 20:33:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 20:33:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 20:33:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 20:33:15,777 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:33:15,777 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:33:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-11-25 20:33:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-11-25 20:33:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-11-25 20:33:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-11-25 20:33:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:33:15,778 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:33:15,778 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-11-25 20:33:15,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-11-25 20:33:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:33:15,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-11-25 20:33:15,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-11-25 20:33:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:33:15,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:33:15,782 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-11-25 20:33:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-11-25 20:33:15,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:33:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:33:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:33:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:33:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:33:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:33:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-25 20:33:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-11-25 20:33:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-11-25 20:33:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-11-25 20:33:15,792 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 20:33:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 20:33:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-11-25 20:33:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-11-25 20:33:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:33:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-25 20:33:15,793 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-11-25 20:33:15,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-11-25 20:33:15,794 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 20:33:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 20:33:15,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-11-25 20:33:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-11-25 20:33:15,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-11-25 20:33:15,794 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-11-25 20:33:15,794 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-11-25 20:33:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-11-25 20:33:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:33:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:33:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 20:33:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 20:33:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:33:15,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:33:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-11-25 20:33:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-11-25 20:33:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 20:33:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 20:33:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:33:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-25 20:33:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:33:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:33:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 20:33:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 20:33:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:33:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:33:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:33:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-11-25 20:33:15,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-11-25 20:33:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 20:33:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 20:33:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:33:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:33:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-11-25 20:33:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-11-25 20:33:15,798 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-25 20:33:15,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-25 20:33:16,981 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:33:16,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:33:17,253 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:47:14,269 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:47:14,394 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:47:19,181 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:47:19,181 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-25 20:47:19,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:19 BoogieIcfgContainer [2021-11-25 20:47:19,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:47:19,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:47:19,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:47:19,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:47:19,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:33:07" (1/3) ... [2021-11-25 20:47:19,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab28004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:19, skipping insertion in model container [2021-11-25 20:47:19,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14" (2/3) ... [2021-11-25 20:47:19,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab28004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:47:19, skipping insertion in model container [2021-11-25 20:47:19,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:19" (3/3) ... [2021-11-25 20:47:19,199 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-drivers-clk1_drivers-net-vmxnet3-vmxnet3.cil.i [2021-11-25 20:47:19,205 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:47:19,205 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:47:19,284 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:47:19,294 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:47:19,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:47:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 2139 states, 1335 states have (on average 1.3198501872659176) internal successors, (1762), 1370 states have internal predecessors, (1762), 663 states have call successors, (663), 141 states have call predecessors, (663), 140 states have return successors, (652), 646 states have call predecessors, (652), 652 states have call successors, (652) [2021-11-25 20:47:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-25 20:47:19,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:47:19,408 INFO L514 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:47:19,409 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:47:19,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:47:19,418 INFO L85 PathProgramCache]: Analyzing trace with hash -191463702, now seen corresponding path program 1 times [2021-11-25 20:47:19,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:47:19,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923021627] [2021-11-25 20:47:19,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:47:19,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:47:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:47:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1892 trivial. 0 not checked. [2021-11-25 20:47:21,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:47:21,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923021627] [2021-11-25 20:47:21,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923021627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:47:21,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:47:21,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:47:21,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342205090] [2021-11-25 20:47:21,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:47:21,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:47:21,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:47:22,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:47:22,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:47:22,017 INFO L87 Difference]: Start difference. First operand has 2139 states, 1335 states have (on average 1.3198501872659176) internal successors, (1762), 1370 states have internal predecessors, (1762), 663 states have call successors, (663), 141 states have call predecessors, (663), 140 states have return successors, (652), 646 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)