./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--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 01:39:22,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:39:22,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:39:22,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:39:22,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:39:22,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:39:22,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:39:22,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:39:22,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:39:22,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:39:22,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:39:22,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:39:22,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:39:22,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:39:22,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:39:22,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:39:22,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:39:22,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:39:22,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:39:22,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:39:22,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:39:22,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:39:22,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:39:22,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:39:22,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:39:22,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:39:22,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:39:22,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:39:22,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:39:22,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:39:22,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:39:22,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:39:22,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:39:22,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:39:22,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:39:22,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:39:22,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:39:22,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:39:22,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:39:22,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:39:22,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:39:22,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 01:39:22,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:39:22,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:39:22,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:39:22,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:39:22,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:39:22,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:39:22,667 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 01:39:22,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:39:22,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:39:22,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:39:22,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:39:22,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:39:22,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:39:22,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:39:22,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:39:22,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:39:22,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:39:22,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 01:39:22,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:39:22,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:39:22,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:39:22,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:39:22,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:39:22,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 01:39:22,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:39:22,672 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 01:39:22,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 01:39:22,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:39:22,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:39:22,673 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85ab99bd194c563e8993e1a617b0a36d91cedb1dd34f0d1e3c569d20c3fe1cac [2021-11-23 01:39:22,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:39:22,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:39:22,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:39:22,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:39:22,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:39:22,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 01:39:23,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de068581/38642314227c4fbca59bf67170979828/FLAG544c57ae3 [2021-11-23 01:39:24,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:39:24,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 01:39:24,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de068581/38642314227c4fbca59bf67170979828/FLAG544c57ae3 [2021-11-23 01:39:24,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de068581/38642314227c4fbca59bf67170979828 [2021-11-23 01:39:24,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:39:24,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:39:24,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:24,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:39:24,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:39:24,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:24" (1/1) ... [2021-11-23 01:39:24,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3296a1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:24, skipping insertion in model container [2021-11-23 01:39:24,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:24" (1/1) ... [2021-11-23 01:39:24,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:39:24,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:39:33,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-11-23 01:39:33,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:33,974 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:39:34,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[715546,715559] [2021-11-23 01:39:34,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:35,140 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:39:35,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35 WrapperNode [2021-11-23 01:39:35,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:35,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:35,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:39:35,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:39:35,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:35,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:46,312 INFO L137 Inliner]: procedures = 861, calls = 7350, calls flagged for inlining = 2263, calls inlined = 46882, statements flattened = 538520 [2021-11-23 01:39:46,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:46,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:39:46,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:39:46,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:39:46,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:46,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:48,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:48,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:54,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:55,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:55,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:58,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:39:58,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:39:58,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:39:58,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:39:58,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (1/1) ... [2021-11-23 01:39:58,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:39:58,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 01:39:58,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:39:58,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:39:58,404 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-11-23 01:39:58,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-11-23 01:39:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-11-23 01:39:58,405 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-11-23 01:39:58,405 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-11-23 01:39:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-11-23 01:39:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-11-23 01:39:58,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-11-23 01:39:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:39:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:39:58,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:39:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:39:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:39:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:39:58,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:39:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:39:58,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-11-23 01:39:58,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-11-23 01:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:39:58,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:39:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:39:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-11-23 01:39:58,409 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-11-23 01:39:58,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:39:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 01:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-11-23 01:39:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-11-23 01:39:58,410 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-11-23 01:39:58,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-11-23 01:39:58,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:40:00,606 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:40:00,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:08,851 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:09,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:09,270 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:44:09,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:09 BoogieIcfgContainer [2021-11-23 01:44:09,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:09,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:44:09,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:44:09,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:44:09,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:39:24" (1/3) ... [2021-11-23 01:44:09,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c413787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:09, skipping insertion in model container [2021-11-23 01:44:09,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:35" (2/3) ... [2021-11-23 01:44:09,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c413787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:44:09, skipping insertion in model container [2021-11-23 01:44:09,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:09" (3/3) ... [2021-11-23 01:44:09,353 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-23 01:44:09,358 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:44:09,359 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1905 error locations. [2021-11-23 01:44:09,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:44:09,784 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=PETRI_NET, 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 [2021-11-23 01:44:09,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1905 error locations. [2021-11-23 01:44:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 101236 states, 99284 states have (on average 1.43564924862012) internal successors, (142537), 101191 states have internal predecessors, (142537), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-23 01:44:11,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:44:11,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:44:11,027 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:44:11,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ath9k_htc_stopErr0ASSERT_VIOLATIONERROR_FUNCTION, ath9k_htc_stopErr1ASSERT_VIOLATIONERROR_FUNCTION, ath9k_htc_stopErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1902 more)] === [2021-11-23 01:44:11,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:44:11,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1667057152, now seen corresponding path program 1 times [2021-11-23 01:44:11,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:44:11,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992527918] [2021-11-23 01:44:11,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:44:11,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:12,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:44:12,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992527918] [2021-11-23 01:44:12,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992527918] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:44:12,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:44:12,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 01:44:12,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395501804] [2021-11-23 01:44:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:44:12,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 01:44:12,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:44:12,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 01:44:12,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:44:12,455 INFO L87 Difference]: Start difference. First operand has 101236 states, 99284 states have (on average 1.43564924862012) internal successors, (142537), 101191 states have internal predecessors, (142537), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:44:15,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:44:15,591 INFO L93 Difference]: Finished difference Result 200563 states and 283349 transitions. [2021-11-23 01:44:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 01:44:15,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-23 01:44:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:44:16,083 INFO L225 Difference]: With dead ends: 200563 [2021-11-23 01:44:16,083 INFO L226 Difference]: Without dead ends: 99067 [2021-11-23 01:44:16,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 01:44:16,364 INFO L933 BasicCegarLoop]: 136428 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136428 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:44:16,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 01:44:17,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99067 states. [2021-11-23 01:44:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99067 to 99067. [2021-11-23 01:44:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99067 states, 97116 states have (on average 1.3986778697639937) internal successors, (135834), 99022 states have internal predecessors, (135834), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-23 01:44:19,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99067 states to 99067 states and 135908 transitions. [2021-11-23 01:44:19,974 INFO L78 Accepts]: Start accepts. Automaton has 99067 states and 135908 transitions. Word has length 39 [2021-11-23 01:44:19,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:44:19,974 INFO L470 AbstractCegarLoop]: Abstraction has 99067 states and 135908 transitions. [2021-11-23 01:44:19,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:44:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 99067 states and 135908 transitions. [2021-11-23 01:44:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:44:19,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:44:19,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:44:19,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:44:19,980 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ath9k_htc_stopErr0ASSERT_VIOLATIONERROR_FUNCTION, ath9k_htc_stopErr1ASSERT_VIOLATIONERROR_FUNCTION, ath9k_htc_stopErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1902 more)] === [2021-11-23 01:44:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:44:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1786664324, now seen corresponding path program 1 times [2021-11-23 01:44:19,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 01:44:19,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40001050] [2021-11-23 01:44:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:44:19,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:20,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 01:44:20,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40001050] [2021-11-23 01:44:20,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40001050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:44:20,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:44:20,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:44:20,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754988249] [2021-11-23 01:44:20,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:44:20,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:44:20,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 01:44:20,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:44:20,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:44:20,623 INFO L87 Difference]: Start difference. First operand 99067 states and 135908 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:44:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:44:25,563 INFO L93 Difference]: Finished difference Result 270404 states and 370680 transitions. [2021-11-23 01:44:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:44:25,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-23 01:44:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:44:26,391 INFO L225 Difference]: With dead ends: 270404 [2021-11-23 01:44:26,391 INFO L226 Difference]: Without dead ends: 171359 [2021-11-23 01:44:26,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:44:26,665 INFO L933 BasicCegarLoop]: 135932 mSDtfsCounter, 98894 mSDsluCounter, 135867 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98894 SdHoareTripleChecker+Valid, 271799 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:44:26,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98894 Valid, 271799 Invalid, 20 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:44:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171359 states. [2021-11-23 01:44:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171359 to 168642. [2021-11-23 01:44:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168642 states, 166657 states have (on average 1.399773186844837) internal successors, (233282), 168565 states have internal predecessors, (233282), 62 states have call successors, (62), 18 states have call predecessors, (62), 18 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62)