/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 18:32:25,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 18:32:25,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 18:32:25,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 18:32:25,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 18:32:25,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 18:32:25,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 18:32:25,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 18:32:25,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 18:32:25,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 18:32:25,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 18:32:25,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 18:32:25,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 18:32:25,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 18:32:25,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 18:32:25,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 18:32:25,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 18:32:25,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 18:32:25,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 18:32:25,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 18:32:25,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 18:32:25,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 18:32:25,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 18:32:25,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 18:32:25,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 18:32:25,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 18:32:25,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 18:32:25,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 18:32:25,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 18:32:25,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 18:32:25,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 18:32:25,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 18:32:25,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 18:32:25,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 18:32:25,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 18:32:25,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 18:32:25,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 18:32:25,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 18:32:25,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 18:32:25,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 18:32:25,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 18:32:25,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-09 18:32:25,571 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 18:32:25,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 18:32:25,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 18:32:25,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 18:32:25,576 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 18:32:25,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 18:32:25,576 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 18:32:25,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 18:32:25,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 18:32:25,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 18:32:25,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 18:32:25,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 18:32:25,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 18:32:25,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 18:32:25,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 18:32:25,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 18:32:25,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 18:32:25,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 18:32:25,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 18:32:25,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 18:32:25,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 18:32:25,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 18:32:25,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 18:32:25,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 18:32:25,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 18:32:25,582 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-09 18:32:25,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 18:32:25,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-09 18:32:25,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-09 18:32:25,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 18:32:25,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 18:32:25,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 18:32:25,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 18:32:25,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 18:32:25,935 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 18:32:25,936 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-09 18:32:26,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425849d19/06ef73c2899f40c49b6b975f0f956305/FLAG692fa7fe1 [2020-10-09 18:32:26,681 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 18:32:26,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-09 18:32:26,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425849d19/06ef73c2899f40c49b6b975f0f956305/FLAG692fa7fe1 [2020-10-09 18:32:26,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/425849d19/06ef73c2899f40c49b6b975f0f956305 [2020-10-09 18:32:26,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 18:32:26,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 18:32:26,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 18:32:26,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 18:32:26,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 18:32:26,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 06:32:26" (1/1) ... [2020-10-09 18:32:26,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2488e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:26, skipping insertion in model container [2020-10-09 18:32:26,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 06:32:26" (1/1) ... [2020-10-09 18:32:26,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 18:32:26,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 18:32:27,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 18:32:27,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 18:32:27,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 18:32:28,437 INFO L208 MainTranslator]: Completed translation [2020-10-09 18:32:28,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28 WrapperNode [2020-10-09 18:32:28,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 18:32:28,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 18:32:28,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 18:32:28,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 18:32:28,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 18:32:28,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 18:32:28,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 18:32:28,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 18:32:28,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... [2020-10-09 18:32:28,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 18:32:28,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 18:32:28,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 18:32:28,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 18:32:28,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 18:32:28,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-09 18:32:28,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-09 18:32:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 18:32:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 18:32:28,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-09 18:32:28,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-09 18:32:28,761 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 18:32:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-09 18:32:28,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 18:32:28,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 18:32:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 18:32:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 18:32:28,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 18:32:28,766 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 18:32:29,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 18:32:29,466 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-09 18:32:29,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 06:32:29 BoogieIcfgContainer [2020-10-09 18:32:29,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 18:32:29,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 18:32:29,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 18:32:29,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 18:32:29,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 06:32:26" (1/3) ... [2020-10-09 18:32:29,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7867622d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 06:32:29, skipping insertion in model container [2020-10-09 18:32:29,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 06:32:28" (2/3) ... [2020-10-09 18:32:29,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7867622d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 06:32:29, skipping insertion in model container [2020-10-09 18:32:29,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 06:32:29" (3/3) ... [2020-10-09 18:32:29,483 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-10-09 18:32:29,493 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 18:32:29,501 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-10-09 18:32:29,502 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 18:32:29,537 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,537 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,537 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,537 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,538 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,538 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,538 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,539 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,539 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,539 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,539 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,539 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,540 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,540 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,540 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,540 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,540 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,541 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,541 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,541 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,541 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,542 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,542 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,542 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,542 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,542 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,543 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,545 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,545 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,545 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,546 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,546 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,546 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,546 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,547 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,547 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,547 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,547 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,548 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,548 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,548 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,548 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,548 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,549 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,549 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,549 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,549 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,549 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,550 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,550 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,550 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,550 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,550 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,551 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,551 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,551 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,551 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,551 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,552 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,552 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,552 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,553 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,553 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,553 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,553 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,553 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,554 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,554 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,554 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,554 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,554 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,555 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,555 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,556 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,556 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,556 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,557 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,557 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,557 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,557 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,558 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,558 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,558 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,558 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,559 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,559 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,559 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,559 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,560 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,561 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,561 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,561 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,561 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,562 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,562 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,562 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,562 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,562 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,563 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,563 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,563 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,563 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,563 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,564 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,564 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,564 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,564 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,565 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,565 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,565 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,565 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,566 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,566 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,566 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,566 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,570 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,570 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,570 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,571 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,571 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,572 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,577 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,577 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,577 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,577 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,577 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,578 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,578 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,578 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,578 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,578 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,579 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,580 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,580 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,582 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,583 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,583 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,583 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,583 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,584 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,584 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,584 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,584 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 18:32:29,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-09 18:32:29,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 18:32:29,642 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-09 18:32:29,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 18:32:29,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 18:32:29,643 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 18:32:29,643 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 18:32:29,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 18:32:29,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 18:32:29,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-10-09 18:32:29,821 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-10-09 18:32:29,821 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-09 18:32:29,834 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-10-09 18:32:29,834 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 285 transitions, 612 flow [2020-10-09 18:32:29,846 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 190 transitions, 403 flow [2020-10-09 18:32:29,851 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2020-10-09 18:32:29,851 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 18:32:29,852 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:29,855 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-09 18:32:29,856 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:29,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:29,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1259084826, now seen corresponding path program 1 times [2020-10-09 18:32:29,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:29,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57881769] [2020-10-09 18:32:29,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:30,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:30,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:30,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:30,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:30,246 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:30,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57881769] [2020-10-09 18:32:30,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:30,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:30,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70051873] [2020-10-09 18:32:30,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:30,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:30,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:30,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:30,744 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 285 [2020-10-09 18:32:30,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 190 transitions, 403 flow. Second operand 5 states. [2020-10-09 18:32:30,748 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:30,748 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 285 [2020-10-09 18:32:30,750 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:31,080 INFO L129 PetriNetUnfolder]: 182/982 cut-off events. [2020-10-09 18:32:31,080 INFO L130 PetriNetUnfolder]: For 12/14 co-relation queries the response was YES. [2020-10-09 18:32:31,090 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 982 events. 182/982 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4649 event pairs, 12 based on Foata normal form. 145/988 useless extension candidates. Maximal degree in co-relation 1071. Up to 101 conditions per place. [2020-10-09 18:32:31,100 INFO L132 encePairwiseOnDemand]: 263/285 looper letters, 19 selfloop transitions, 12 changer transitions 0/190 dead transitions. [2020-10-09 18:32:31,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 190 transitions, 465 flow [2020-10-09 18:32:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:31,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1783 transitions. [2020-10-09 18:32:31,129 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.893734335839599 [2020-10-09 18:32:31,130 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1783 transitions. [2020-10-09 18:32:31,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1783 transitions. [2020-10-09 18:32:31,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:31,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1783 transitions. [2020-10-09 18:32:31,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:31,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:31,161 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:31,164 INFO L185 Difference]: Start difference. First operand has 172 places, 190 transitions, 403 flow. Second operand 7 states and 1783 transitions. [2020-10-09 18:32:31,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 190 transitions, 465 flow [2020-10-09 18:32:31,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 190 transitions, 461 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-09 18:32:31,177 INFO L241 Difference]: Finished difference. Result has 175 places, 182 transitions, 421 flow [2020-10-09 18:32:31,180 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=421, PETRI_PLACES=175, PETRI_TRANSITIONS=182} [2020-10-09 18:32:31,181 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 3 predicate places. [2020-10-09 18:32:31,181 INFO L481 AbstractCegarLoop]: Abstraction has has 175 places, 182 transitions, 421 flow [2020-10-09 18:32:31,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:31,182 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:31,182 INFO L255 CegarLoopForPetriNet]: 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] [2020-10-09 18:32:31,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-09 18:32:31,396 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:31,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:31,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1523736375, now seen corresponding path program 1 times [2020-10-09 18:32:31,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:31,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387240591] [2020-10-09 18:32:31,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:31,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:31,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:31,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:31,542 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:31,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387240591] [2020-10-09 18:32:31,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:31,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:31,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208186050] [2020-10-09 18:32:31,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:31,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:31,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:31,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:32,056 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 285 [2020-10-09 18:32:32,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 182 transitions, 421 flow. Second operand 5 states. [2020-10-09 18:32:32,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:32,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 285 [2020-10-09 18:32:32,059 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:32,289 INFO L129 PetriNetUnfolder]: 182/980 cut-off events. [2020-10-09 18:32:32,290 INFO L130 PetriNetUnfolder]: For 129/207 co-relation queries the response was YES. [2020-10-09 18:32:32,300 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1393 conditions, 980 events. 182/980 cut-off events. For 129/207 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4646 event pairs, 48 based on Foata normal form. 1/820 useless extension candidates. Maximal degree in co-relation 502. Up to 201 conditions per place. [2020-10-09 18:32:32,309 INFO L132 encePairwiseOnDemand]: 281/285 looper letters, 18 selfloop transitions, 0 changer transitions 6/180 dead transitions. [2020-10-09 18:32:32,309 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 180 transitions, 461 flow [2020-10-09 18:32:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 18:32:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-09 18:32:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1249 transitions. [2020-10-09 18:32:32,313 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8764912280701754 [2020-10-09 18:32:32,313 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1249 transitions. [2020-10-09 18:32:32,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1249 transitions. [2020-10-09 18:32:32,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:32,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1249 transitions. [2020-10-09 18:32:32,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-09 18:32:32,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-09 18:32:32,322 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-09 18:32:32,322 INFO L185 Difference]: Start difference. First operand has 175 places, 182 transitions, 421 flow. Second operand 5 states and 1249 transitions. [2020-10-09 18:32:32,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 180 transitions, 461 flow [2020-10-09 18:32:32,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 180 transitions, 443 flow, removed 0 selfloop flow, removed 5 redundant places. [2020-10-09 18:32:32,330 INFO L241 Difference]: Finished difference. Result has 172 places, 174 transitions, 385 flow [2020-10-09 18:32:32,331 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=385, PETRI_PLACES=172, PETRI_TRANSITIONS=174} [2020-10-09 18:32:32,331 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 0 predicate places. [2020-10-09 18:32:32,332 INFO L481 AbstractCegarLoop]: Abstraction has has 172 places, 174 transitions, 385 flow [2020-10-09 18:32:32,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:32,332 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:32,332 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:32,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-09 18:32:32,546 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:32,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2033676975, now seen corresponding path program 1 times [2020-10-09 18:32:32,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:32,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630586028] [2020-10-09 18:32:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:32,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:32,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:32,751 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:32,774 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:32,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630586028] [2020-10-09 18:32:32,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:32,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:32,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725039335] [2020-10-09 18:32:32,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:32,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:32,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:32,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:33,313 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 285 [2020-10-09 18:32:33,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 174 transitions, 385 flow. Second operand 5 states. [2020-10-09 18:32:33,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:33,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 285 [2020-10-09 18:32:33,316 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:33,624 INFO L129 PetriNetUnfolder]: 239/1632 cut-off events. [2020-10-09 18:32:33,624 INFO L130 PetriNetUnfolder]: For 167/262 co-relation queries the response was YES. [2020-10-09 18:32:33,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2169 conditions, 1632 events. 239/1632 cut-off events. For 167/262 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 10096 event pairs, 36 based on Foata normal form. 17/1440 useless extension candidates. Maximal degree in co-relation 2164. Up to 200 conditions per place. [2020-10-09 18:32:33,645 INFO L132 encePairwiseOnDemand]: 279/285 looper letters, 28 selfloop transitions, 11 changer transitions 0/189 dead transitions. [2020-10-09 18:32:33,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 189 transitions, 513 flow [2020-10-09 18:32:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1752 transitions. [2020-10-09 18:32:33,651 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8781954887218045 [2020-10-09 18:32:33,651 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1752 transitions. [2020-10-09 18:32:33,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1752 transitions. [2020-10-09 18:32:33,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:33,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1752 transitions. [2020-10-09 18:32:33,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:33,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:33,659 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:33,660 INFO L185 Difference]: Start difference. First operand has 172 places, 174 transitions, 385 flow. Second operand 7 states and 1752 transitions. [2020-10-09 18:32:33,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 189 transitions, 513 flow [2020-10-09 18:32:33,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 189 transitions, 513 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:33,665 INFO L241 Difference]: Finished difference. Result has 173 places, 183 transitions, 472 flow [2020-10-09 18:32:33,666 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=472, PETRI_PLACES=173, PETRI_TRANSITIONS=183} [2020-10-09 18:32:33,666 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 1 predicate places. [2020-10-09 18:32:33,667 INFO L481 AbstractCegarLoop]: Abstraction has has 173 places, 183 transitions, 472 flow [2020-10-09 18:32:33,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:33,667 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:33,667 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:33,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-09 18:32:33,879 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:33,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1217943933, now seen corresponding path program 1 times [2020-10-09 18:32:33,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:33,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449577117] [2020-10-09 18:32:33,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:33,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:33,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:34,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:34,050 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:34,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449577117] [2020-10-09 18:32:34,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:34,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:34,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946279182] [2020-10-09 18:32:34,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:34,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:34,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:34,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:34,332 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 285 [2020-10-09 18:32:34,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 183 transitions, 472 flow. Second operand 5 states. [2020-10-09 18:32:34,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:34,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 285 [2020-10-09 18:32:34,333 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:35,085 INFO L129 PetriNetUnfolder]: 579/3795 cut-off events. [2020-10-09 18:32:35,085 INFO L130 PetriNetUnfolder]: For 2254/2509 co-relation queries the response was YES. [2020-10-09 18:32:35,114 INFO L80 FinitePrefix]: Finished finitePrefix Result has 5810 conditions, 3795 events. 579/3795 cut-off events. For 2254/2509 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 31738 event pairs, 25 based on Foata normal form. 57/3373 useless extension candidates. Maximal degree in co-relation 5800. Up to 411 conditions per place. [2020-10-09 18:32:35,143 INFO L132 encePairwiseOnDemand]: 275/285 looper letters, 41 selfloop transitions, 28 changer transitions 0/230 dead transitions. [2020-10-09 18:32:35,143 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 230 transitions, 888 flow [2020-10-09 18:32:35,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 18:32:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-09 18:32:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2065 transitions. [2020-10-09 18:32:35,150 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9057017543859649 [2020-10-09 18:32:35,150 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2065 transitions. [2020-10-09 18:32:35,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2065 transitions. [2020-10-09 18:32:35,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:35,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2065 transitions. [2020-10-09 18:32:35,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-09 18:32:35,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-09 18:32:35,162 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-09 18:32:35,162 INFO L185 Difference]: Start difference. First operand has 173 places, 183 transitions, 472 flow. Second operand 8 states and 2065 transitions. [2020-10-09 18:32:35,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 230 transitions, 888 flow [2020-10-09 18:32:35,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 230 transitions, 852 flow, removed 18 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:35,177 INFO L241 Difference]: Finished difference. Result has 186 places, 207 transitions, 734 flow [2020-10-09 18:32:35,177 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=734, PETRI_PLACES=186, PETRI_TRANSITIONS=207} [2020-10-09 18:32:35,178 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 14 predicate places. [2020-10-09 18:32:35,178 INFO L481 AbstractCegarLoop]: Abstraction has has 186 places, 207 transitions, 734 flow [2020-10-09 18:32:35,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:35,178 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:35,178 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:35,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-09 18:32:35,399 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:35,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:35,400 INFO L82 PathProgramCache]: Analyzing trace with hash 891784613, now seen corresponding path program 1 times [2020-10-09 18:32:35,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:35,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102780196] [2020-10-09 18:32:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:35,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-09 18:32:35,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:35,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:35,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:35,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102780196] [2020-10-09 18:32:35,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:35,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:35,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315094591] [2020-10-09 18:32:35,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:35,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:35,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:35,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:35,644 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 285 [2020-10-09 18:32:35,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 207 transitions, 734 flow. Second operand 5 states. [2020-10-09 18:32:35,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:35,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 285 [2020-10-09 18:32:35,646 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:36,483 INFO L129 PetriNetUnfolder]: 628/4583 cut-off events. [2020-10-09 18:32:36,483 INFO L130 PetriNetUnfolder]: For 5928/6722 co-relation queries the response was YES. [2020-10-09 18:32:36,543 INFO L80 FinitePrefix]: Finished finitePrefix Result has 8385 conditions, 4583 events. 628/4583 cut-off events. For 5928/6722 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 42432 event pairs, 25 based on Foata normal form. 47/4118 useless extension candidates. Maximal degree in co-relation 8369. Up to 443 conditions per place. [2020-10-09 18:32:36,583 INFO L132 encePairwiseOnDemand]: 280/285 looper letters, 8 selfloop transitions, 4 changer transitions 0/210 dead transitions. [2020-10-09 18:32:36,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 210 transitions, 764 flow [2020-10-09 18:32:36,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 18:32:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-09 18:32:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1573 transitions. [2020-10-09 18:32:36,591 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9198830409356725 [2020-10-09 18:32:36,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1573 transitions. [2020-10-09 18:32:36,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1573 transitions. [2020-10-09 18:32:36,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:36,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1573 transitions. [2020-10-09 18:32:36,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-09 18:32:36,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-09 18:32:36,602 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-09 18:32:36,602 INFO L185 Difference]: Start difference. First operand has 186 places, 207 transitions, 734 flow. Second operand 6 states and 1573 transitions. [2020-10-09 18:32:36,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 210 transitions, 764 flow [2020-10-09 18:32:36,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 210 transitions, 756 flow, removed 4 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:36,632 INFO L241 Difference]: Finished difference. Result has 195 places, 210 transitions, 755 flow [2020-10-09 18:32:36,632 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=755, PETRI_PLACES=195, PETRI_TRANSITIONS=210} [2020-10-09 18:32:36,633 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 23 predicate places. [2020-10-09 18:32:36,633 INFO L481 AbstractCegarLoop]: Abstraction has has 195 places, 210 transitions, 755 flow [2020-10-09 18:32:36,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:36,633 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:36,634 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:36,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-09 18:32:36,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:36,848 INFO L82 PathProgramCache]: Analyzing trace with hash 92822981, now seen corresponding path program 1 times [2020-10-09 18:32:36,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:36,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486150309] [2020-10-09 18:32:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:36,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-09 18:32:36,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:37,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:37,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486150309] [2020-10-09 18:32:37,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:37,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:37,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023392596] [2020-10-09 18:32:37,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:37,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:37,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:37,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:37,114 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 285 [2020-10-09 18:32:37,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 210 transitions, 755 flow. Second operand 5 states. [2020-10-09 18:32:37,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:37,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 285 [2020-10-09 18:32:37,117 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:38,404 INFO L129 PetriNetUnfolder]: 693/5676 cut-off events. [2020-10-09 18:32:38,404 INFO L130 PetriNetUnfolder]: For 7166/7958 co-relation queries the response was YES. [2020-10-09 18:32:38,451 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10422 conditions, 5676 events. 693/5676 cut-off events. For 7166/7958 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 56294 event pairs, 30 based on Foata normal form. 56/5170 useless extension candidates. Maximal degree in co-relation 10401. Up to 458 conditions per place. [2020-10-09 18:32:38,478 INFO L132 encePairwiseOnDemand]: 280/285 looper letters, 9 selfloop transitions, 4 changer transitions 0/213 dead transitions. [2020-10-09 18:32:38,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 213 transitions, 787 flow [2020-10-09 18:32:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 18:32:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-09 18:32:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1568 transitions. [2020-10-09 18:32:38,483 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9169590643274854 [2020-10-09 18:32:38,483 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1568 transitions. [2020-10-09 18:32:38,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1568 transitions. [2020-10-09 18:32:38,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:38,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1568 transitions. [2020-10-09 18:32:38,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-09 18:32:38,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-09 18:32:38,491 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-09 18:32:38,491 INFO L185 Difference]: Start difference. First operand has 195 places, 210 transitions, 755 flow. Second operand 6 states and 1568 transitions. [2020-10-09 18:32:38,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 213 transitions, 787 flow [2020-10-09 18:32:38,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 213 transitions, 786 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-09 18:32:38,517 INFO L241 Difference]: Finished difference. Result has 203 places, 213 transitions, 783 flow [2020-10-09 18:32:38,518 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=783, PETRI_PLACES=203, PETRI_TRANSITIONS=213} [2020-10-09 18:32:38,518 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 31 predicate places. [2020-10-09 18:32:38,518 INFO L481 AbstractCegarLoop]: Abstraction has has 203 places, 213 transitions, 783 flow [2020-10-09 18:32:38,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:38,518 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:38,519 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:38,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-09 18:32:38,739 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:38,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1302485271, now seen corresponding path program 1 times [2020-10-09 18:32:38,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:38,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083673427] [2020-10-09 18:32:38,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:38,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:38,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:38,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:38,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:38,889 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:38,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083673427] [2020-10-09 18:32:38,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:38,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:38,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161064146] [2020-10-09 18:32:38,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:38,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:38,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:38,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:39,188 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 285 [2020-10-09 18:32:39,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 213 transitions, 783 flow. Second operand 5 states. [2020-10-09 18:32:39,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:39,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 285 [2020-10-09 18:32:39,190 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:41,425 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [199#L1689true, 1096#(= ~pdev~0 6), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,426 INFO L383 tUnfolder$Statistics]: this new event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,426 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,426 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2020-10-09 18:32:41,426 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2020-10-09 18:32:41,426 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,426 INFO L383 tUnfolder$Statistics]: this new event has 169 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 137 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 169 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 152 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [199#L1689true, 1096#(= ~pdev~0 6), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 756#(= ~pdev~0 9), Black: 923#true, Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,427 INFO L383 tUnfolder$Statistics]: this new event has 168 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2020-10-09 18:32:41,427 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 756#(= ~pdev~0 9), Black: 923#true, Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,428 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L386 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,428 INFO L383 tUnfolder$Statistics]: this new event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,428 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,429 INFO L383 tUnfolder$Statistics]: this new event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 134 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, 625#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,429 INFO L383 tUnfolder$Statistics]: this new event has 164 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 147 ancestors and is cut-off event [2020-10-09 18:32:41,429 INFO L386 tUnfolder$Statistics]: existing Event has 164 ancestors and is cut-off event [2020-10-09 18:32:41,430 INFO L386 tUnfolder$Statistics]: existing Event has 132 ancestors and is cut-off event [2020-10-09 18:32:41,430 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, 625#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,430 INFO L383 tUnfolder$Statistics]: this new event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,430 INFO L386 tUnfolder$Statistics]: existing Event has 134 ancestors and is cut-off event [2020-10-09 18:32:41,430 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,430 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2020-10-09 18:32:41,431 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 1707#true, 625#true, Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,431 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2020-10-09 18:32:41,431 INFO L386 tUnfolder$Statistics]: existing Event has 148 ancestors and is cut-off event [2020-10-09 18:32:41,431 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2020-10-09 18:32:41,431 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2020-10-09 18:32:41,614 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,614 INFO L383 tUnfolder$Statistics]: this new event has 184 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 169 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 184 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 184 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,615 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is cut-off event [2020-10-09 18:32:41,615 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][156], [199#L1689true, 1096#(= ~pdev~0 6), 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, 123#L1682-11true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,615 INFO L383 tUnfolder$Statistics]: this new event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,616 INFO L383 tUnfolder$Statistics]: this new event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,616 INFO L383 tUnfolder$Statistics]: this new event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,616 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 183 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][150], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 92#L1763-1true, Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), 760#(<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,617 INFO L383 tUnfolder$Statistics]: this new event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 625#true, 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true]) [2020-10-09 18:32:41,617 INFO L383 tUnfolder$Statistics]: this new event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,617 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [66#L1682-12true, 199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 625#true, 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse]) [2020-10-09 18:32:41,618 INFO L383 tUnfolder$Statistics]: this new event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([509] L1688-->L1689: Formula: (= v_~pdev~0_1 6) InVars {} OutVars{~pdev~0=v_~pdev~0_1} AuxVars[] AssignedVars[~pdev~0][144], [199#L1689true, 1096#(= ~pdev~0 6), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 756#(= ~pdev~0 9), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 625#true, 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2107#true, thread_ath9kThread1of1ForFork0InUse, 61#L1682-10true]) [2020-10-09 18:32:41,618 INFO L383 tUnfolder$Statistics]: this new event has 180 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2020-10-09 18:32:41,618 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2020-10-09 18:32:41,619 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2020-10-09 18:32:41,676 INFO L129 PetriNetUnfolder]: 2175/11896 cut-off events. [2020-10-09 18:32:41,676 INFO L130 PetriNetUnfolder]: For 31573/34730 co-relation queries the response was YES. [2020-10-09 18:32:41,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 27293 conditions, 11896 events. 2175/11896 cut-off events. For 31573/34730 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 136522 event pairs, 260 based on Foata normal form. 428/10874 useless extension candidates. Maximal degree in co-relation 27268. Up to 1415 conditions per place. [2020-10-09 18:32:41,815 INFO L132 encePairwiseOnDemand]: 277/285 looper letters, 67 selfloop transitions, 26 changer transitions 4/271 dead transitions. [2020-10-09 18:32:41,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 271 transitions, 1516 flow [2020-10-09 18:32:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1763 transitions. [2020-10-09 18:32:41,822 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8837092731829574 [2020-10-09 18:32:41,822 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1763 transitions. [2020-10-09 18:32:41,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1763 transitions. [2020-10-09 18:32:41,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:41,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1763 transitions. [2020-10-09 18:32:41,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:41,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:41,832 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:41,832 INFO L185 Difference]: Start difference. First operand has 203 places, 213 transitions, 783 flow. Second operand 7 states and 1763 transitions. [2020-10-09 18:32:41,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 271 transitions, 1516 flow [2020-10-09 18:32:41,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 271 transitions, 1515 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-09 18:32:41,914 INFO L241 Difference]: Finished difference. Result has 212 places, 231 transitions, 1076 flow [2020-10-09 18:32:41,915 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1076, PETRI_PLACES=212, PETRI_TRANSITIONS=231} [2020-10-09 18:32:41,915 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 40 predicate places. [2020-10-09 18:32:41,915 INFO L481 AbstractCegarLoop]: Abstraction has has 212 places, 231 transitions, 1076 flow [2020-10-09 18:32:41,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:41,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:41,916 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:42,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-09 18:32:42,137 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:42,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:42,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1469021449, now seen corresponding path program 1 times [2020-10-09 18:32:42,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:42,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331859810] [2020-10-09 18:32:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:42,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-09 18:32:42,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:42,287 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:42,301 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 18:32:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:42,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331859810] [2020-10-09 18:32:42,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:42,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:42,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833537386] [2020-10-09 18:32:42,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:42,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:42,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:42,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:42,617 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 285 [2020-10-09 18:32:42,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 231 transitions, 1076 flow. Second operand 5 states. [2020-10-09 18:32:42,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:42,618 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 285 [2020-10-09 18:32:42,618 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:46,033 INFO L129 PetriNetUnfolder]: 3240/17982 cut-off events. [2020-10-09 18:32:46,034 INFO L130 PetriNetUnfolder]: For 74995/80963 co-relation queries the response was YES. [2020-10-09 18:32:46,175 INFO L80 FinitePrefix]: Finished finitePrefix Result has 45554 conditions, 17982 events. 3240/17982 cut-off events. For 74995/80963 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 218338 event pairs, 187 based on Foata normal form. 521/16787 useless extension candidates. Maximal degree in co-relation 45525. Up to 2572 conditions per place. [2020-10-09 18:32:46,256 INFO L132 encePairwiseOnDemand]: 272/285 looper letters, 105 selfloop transitions, 37 changer transitions 0/310 dead transitions. [2020-10-09 18:32:46,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 310 transitions, 2338 flow [2020-10-09 18:32:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 18:32:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-09 18:32:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2014 transitions. [2020-10-09 18:32:46,262 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2020-10-09 18:32:46,262 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2014 transitions. [2020-10-09 18:32:46,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2014 transitions. [2020-10-09 18:32:46,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:46,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2014 transitions. [2020-10-09 18:32:46,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-09 18:32:46,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-09 18:32:46,273 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-09 18:32:46,273 INFO L185 Difference]: Start difference. First operand has 212 places, 231 transitions, 1076 flow. Second operand 8 states and 2014 transitions. [2020-10-09 18:32:46,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 310 transitions, 2338 flow [2020-10-09 18:32:46,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 310 transitions, 2194 flow, removed 72 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:46,514 INFO L241 Difference]: Finished difference. Result has 225 places, 259 transitions, 1480 flow [2020-10-09 18:32:46,515 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=1028, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1480, PETRI_PLACES=225, PETRI_TRANSITIONS=259} [2020-10-09 18:32:46,515 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 53 predicate places. [2020-10-09 18:32:46,515 INFO L481 AbstractCegarLoop]: Abstraction has has 225 places, 259 transitions, 1480 flow [2020-10-09 18:32:46,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:46,515 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:46,516 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:46,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-09 18:32:46,741 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:46,742 INFO L82 PathProgramCache]: Analyzing trace with hash -616055648, now seen corresponding path program 1 times [2020-10-09 18:32:46,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:46,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436161753] [2020-10-09 18:32:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:46,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 18:32:46,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:46,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:46,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436161753] [2020-10-09 18:32:46,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:46,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:46,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727465360] [2020-10-09 18:32:46,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:46,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:46,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:46,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:47,002 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 285 [2020-10-09 18:32:47,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 259 transitions, 1480 flow. Second operand 5 states. [2020-10-09 18:32:47,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:47,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 285 [2020-10-09 18:32:47,004 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:48,321 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([525] L1761-->L1763: Formula: (= v_~pdev~0_10 9) InVars {} OutVars{~pdev~0=v_~pdev~0_10} AuxVars[] AssignedVars[~pdev~0][138], [Black: 2717#(= 7 ~pdev~0), 129#L1682-1true, Black: 2526#true, 76#L1784true, 3406#(and (= |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 0) (= thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 0)), 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1096#(= ~pdev~0 6), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 2515#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|)), Black: 2517#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 2519#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 2298#(= ~pdev~0 5), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 756#(= ~pdev~0 9), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2938#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 2107#true, Black: 2934#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0)), Black: 2728#(<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression), thread_ath9kThread1of1ForFork0InUse, Black: 2936#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression))]) [2020-10-09 18:32:48,321 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2020-10-09 18:32:48,322 INFO L386 tUnfolder$Statistics]: existing Event has 150 ancestors and is cut-off event [2020-10-09 18:32:48,322 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2020-10-09 18:32:48,322 INFO L386 tUnfolder$Statistics]: existing Event has 133 ancestors and is cut-off event [2020-10-09 18:32:48,345 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([525] L1761-->L1763: Formula: (= v_~pdev~0_10 9) InVars {} OutVars{~pdev~0=v_~pdev~0_10} AuxVars[] AssignedVars[~pdev~0][138], [Black: 2717#(= 7 ~pdev~0), 129#L1682-1true, Black: 2526#true, 73#L1784-1true, 3406#(and (= |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 0) (= thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 0)), 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1096#(= ~pdev~0 6), Black: 923#true, Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 2515#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|)), Black: 2517#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 2519#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 2298#(= ~pdev~0 5), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 756#(= ~pdev~0 9), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2938#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 2934#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0)), Black: 2728#(<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression), thread_ath9kThread1of1ForFork0InUse, Black: 2936#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), 2302#(<= 1 |ULTIMATE.start_ldv_assert_#in~expression|)]) [2020-10-09 18:32:48,345 INFO L383 tUnfolder$Statistics]: this new event has 166 ancestors and is cut-off event [2020-10-09 18:32:48,345 INFO L386 tUnfolder$Statistics]: existing Event has 151 ancestors and is cut-off event [2020-10-09 18:32:48,345 INFO L386 tUnfolder$Statistics]: existing Event has 134 ancestors and is cut-off event [2020-10-09 18:32:48,345 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2020-10-09 18:32:48,390 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([525] L1761-->L1763: Formula: (= v_~pdev~0_10 9) InVars {} OutVars{~pdev~0=v_~pdev~0_10} AuxVars[] AssignedVars[~pdev~0][138], [Black: 2717#(= 7 ~pdev~0), Black: 2526#true, 129#L1682-1true, 3406#(and (= |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 0) (= thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 0)), 1299#(and (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 1297#(and (= ~pdev~0 6) (<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), 86#L1763true, 2519#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 1107#(<= 1 thread_ath9kThread1of1ForFork0_ldv_assert_~expression), Black: 913#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9)), Black: 1096#(= ~pdev~0 6), Black: 915#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= ~pdev~0 9) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 923#true, Black: 1295#(and (= ~pdev~0 6) (<= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression|)), Black: 917#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 2515#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|)), Black: 2517#(and (= ~pdev~0 5) (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (<= 1 ULTIMATE.start_ldv_assert_~expression)), Black: 2298#(= ~pdev~0 5), Black: 412#(and (<= 1 |ULTIMATE.start_ldv_assert_#in~expression|) (= ~pdev~0 1) (<= 1 ULTIMATE.start_ldv_assert_~expression)), 417#true, Black: 1697#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0)), Black: 1699#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_#t~ret40| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1701#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0) (<= (+ thread_usbThread1of1ForFork1_~probe_ret~0 1) 0)), Black: 1468#(<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| 1) 0), 756#(= ~pdev~0 9), Black: 2097#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2099#(and (<= (+ |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| 1) 0) (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 2101#(and (<= (+ thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 1) 0) (<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0)), Black: 1850#(<= (+ |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| 1) 0), 2938#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression)), Black: 2934#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0)), Black: 2728#(<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression), thread_ath9kThread1of1ForFork0InUse, 62#L1682-11true, Black: 2936#(and (<= 1 |thread_usbThread1of1ForFork1_ldv_assert_#in~expression|) (= 7 ~pdev~0) (<= 1 thread_usbThread1of1ForFork1_ldv_assert_~expression))]) [2020-10-09 18:32:48,390 INFO L383 tUnfolder$Statistics]: this new event has 168 ancestors and is cut-off event [2020-10-09 18:32:48,390 INFO L386 tUnfolder$Statistics]: existing Event has 136 ancestors and is cut-off event [2020-10-09 18:32:48,390 INFO L386 tUnfolder$Statistics]: existing Event has 153 ancestors and is cut-off event [2020-10-09 18:32:48,390 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2020-10-09 18:32:49,058 INFO L129 PetriNetUnfolder]: 2326/13872 cut-off events. [2020-10-09 18:32:49,058 INFO L130 PetriNetUnfolder]: For 45231/49144 co-relation queries the response was YES. [2020-10-09 18:32:49,178 INFO L80 FinitePrefix]: Finished finitePrefix Result has 32796 conditions, 13872 events. 2326/13872 cut-off events. For 45231/49144 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 160840 event pairs, 89 based on Foata normal form. 194/12697 useless extension candidates. Maximal degree in co-relation 32761. Up to 1289 conditions per place. [2020-10-09 18:32:49,241 INFO L132 encePairwiseOnDemand]: 278/285 looper letters, 11 selfloop transitions, 6 changer transitions 0/262 dead transitions. [2020-10-09 18:32:49,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 262 transitions, 1520 flow [2020-10-09 18:32:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 18:32:49,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-09 18:32:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1566 transitions. [2020-10-09 18:32:49,247 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9157894736842105 [2020-10-09 18:32:49,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1566 transitions. [2020-10-09 18:32:49,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1566 transitions. [2020-10-09 18:32:49,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:49,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1566 transitions. [2020-10-09 18:32:49,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-09 18:32:49,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-09 18:32:49,256 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-09 18:32:49,256 INFO L185 Difference]: Start difference. First operand has 225 places, 259 transitions, 1480 flow. Second operand 6 states and 1566 transitions. [2020-10-09 18:32:49,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 262 transitions, 1520 flow [2020-10-09 18:32:49,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 262 transitions, 1442 flow, removed 39 selfloop flow, removed 0 redundant places. [2020-10-09 18:32:49,420 INFO L241 Difference]: Finished difference. Result has 232 places, 261 transitions, 1430 flow [2020-10-09 18:32:49,421 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=1402, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1430, PETRI_PLACES=232, PETRI_TRANSITIONS=261} [2020-10-09 18:32:49,421 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 60 predicate places. [2020-10-09 18:32:49,421 INFO L481 AbstractCegarLoop]: Abstraction has has 232 places, 261 transitions, 1430 flow [2020-10-09 18:32:49,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:49,422 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:49,422 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:49,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-09 18:32:49,629 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1598127552, now seen corresponding path program 1 times [2020-10-09 18:32:49,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:49,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115047519] [2020-10-09 18:32:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 18:32:49,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 18:32:49,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 18:32:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:49,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 18:32:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 18:32:49,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115047519] [2020-10-09 18:32:49,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 18:32:49,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-09 18:32:49,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088311668] [2020-10-09 18:32:49,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 18:32:49,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 18:32:49,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 18:32:49,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 18:32:49,903 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 285 [2020-10-09 18:32:49,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 261 transitions, 1430 flow. Second operand 5 states. [2020-10-09 18:32:49,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 18:32:49,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 285 [2020-10-09 18:32:49,904 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 18:32:53,381 INFO L129 PetriNetUnfolder]: 2159/13572 cut-off events. [2020-10-09 18:32:53,381 INFO L130 PetriNetUnfolder]: For 38373/41883 co-relation queries the response was YES. [2020-10-09 18:32:53,471 INFO L80 FinitePrefix]: Finished finitePrefix Result has 31302 conditions, 13572 events. 2159/13572 cut-off events. For 38373/41883 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 160107 event pairs, 117 based on Foata normal form. 197/12429 useless extension candidates. Maximal degree in co-relation 31264. Up to 1194 conditions per place. [2020-10-09 18:32:53,506 INFO L132 encePairwiseOnDemand]: 279/285 looper letters, 9 selfloop transitions, 8 changer transitions 4/268 dead transitions. [2020-10-09 18:32:53,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 268 transitions, 1498 flow [2020-10-09 18:32:53,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 18:32:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 18:32:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1834 transitions. [2020-10-09 18:32:53,512 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9192982456140351 [2020-10-09 18:32:53,512 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1834 transitions. [2020-10-09 18:32:53,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1834 transitions. [2020-10-09 18:32:53,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 18:32:53,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1834 transitions. [2020-10-09 18:32:53,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 18:32:53,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 18:32:53,521 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 18:32:53,521 INFO L185 Difference]: Start difference. First operand has 232 places, 261 transitions, 1430 flow. Second operand 7 states and 1834 transitions. [2020-10-09 18:32:53,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 268 transitions, 1498 flow [2020-10-09 18:32:53,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 268 transitions, 1480 flow, removed 3 selfloop flow, removed 5 redundant places. [2020-10-09 18:32:53,671 INFO L241 Difference]: Finished difference. Result has 235 places, 264 transitions, 1445 flow [2020-10-09 18:32:53,672 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=285, PETRI_DIFFERENCE_MINUEND_FLOW=1412, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1445, PETRI_PLACES=235, PETRI_TRANSITIONS=264} [2020-10-09 18:32:53,672 INFO L341 CegarLoopForPetriNet]: 172 programPoint places, 63 predicate places. [2020-10-09 18:32:53,672 INFO L481 AbstractCegarLoop]: Abstraction has has 235 places, 264 transitions, 1445 flow [2020-10-09 18:32:53,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 18:32:53,672 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 18:32:53,673 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 18:32:53,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-10-09 18:32:53,879 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 18:32:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 18:32:53,880 INFO L82 PathProgramCache]: Analyzing trace with hash 84125273, now seen corresponding path program 1 times [2020-10-09 18:32:53,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 18:32:53,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908992659] [2020-10-09 18:32:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-10-09 18:32:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 18:32:53,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 18:32:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 18:32:54,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 18:32:54,103 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-10-09 18:32:54,104 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 18:32:54,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-10-09 18:32:54,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 06:32:54 BasicIcfg [2020-10-09 18:32:54,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 18:32:54,407 INFO L168 Benchmark]: Toolchain (without parser) took 27552.69 ms. Allocated memory was 256.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 206.6 MB in the beginning and 1.1 GB in the end (delta: -941.0 MB). Peak memory consumption was 285.4 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,407 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 256.9 MB. Free memory is still 230.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 18:32:54,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1584.95 ms. Allocated memory was 256.9 MB in the beginning and 364.4 MB in the end (delta: 107.5 MB). Free memory was 206.6 MB in the beginning and 321.0 MB in the end (delta: -114.4 MB). Peak memory consumption was 106.8 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.48 ms. Allocated memory is still 364.4 MB. Free memory was 321.0 MB in the beginning and 317.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,410 INFO L168 Benchmark]: Boogie Preprocessor took 50.64 ms. Allocated memory is still 364.4 MB. Free memory was 317.7 MB in the beginning and 314.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,410 INFO L168 Benchmark]: RCFGBuilder took 829.36 ms. Allocated memory is still 364.4 MB. Free memory was 314.5 MB in the beginning and 262.3 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,411 INFO L168 Benchmark]: TraceAbstraction took 24934.36 ms. Allocated memory was 364.4 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 262.3 MB in the beginning and 1.1 GB in the end (delta: -885.3 MB). Peak memory consumption was 233.6 MB. Max. memory is 14.2 GB. [2020-10-09 18:32:54,415 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 256.9 MB. Free memory is still 230.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1584.95 ms. Allocated memory was 256.9 MB in the beginning and 364.4 MB in the end (delta: 107.5 MB). Free memory was 206.6 MB in the beginning and 321.0 MB in the end (delta: -114.4 MB). Peak memory consumption was 106.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 147.48 ms. Allocated memory is still 364.4 MB. Free memory was 321.0 MB in the beginning and 317.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 50.64 ms. Allocated memory is still 364.4 MB. Free memory was 317.7 MB in the beginning and 314.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.2 GB. * RCFGBuilder took 829.36 ms. Allocated memory is still 364.4 MB. Free memory was 314.5 MB in the beginning and 262.3 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 14.2 GB. * TraceAbstraction took 24934.36 ms. Allocated memory was 364.4 MB in the beginning and 1.5 GB in the end (delta: 1.1 GB). Free memory was 262.3 MB in the beginning and 1.1 GB in the end (delta: -885.3 MB). Peak memory consumption was 233.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1, t2; VAL [t1={2:0}, t2={26:0}] [L1684] 0 pthread_mutex_t mutex; VAL [mutex={3:0}, t1={2:0}, t2={26:0}] [L1685] 0 int pdev; VAL [mutex={3:0}, pdev=0, t1={2:0}, t2={26:0}] [L1730] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={3:0}, pdev=0, t1={2:0}, t2={26:0}] [L1768] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1682] COND FALSE 0 !(!expression) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1770] COND TRUE 0 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1732] 1 ldv_usb_state = 0 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1734] COND TRUE 1 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1736] 1 case 0: VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1737] COND TRUE 1 ldv_usb_state==0 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1719] 1 int error; VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1706] COND TRUE 1 __VERIFIER_nondet_int() VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1693] COND TRUE 2 1 VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1695] 2 case 1: VAL [ldv_usb_state=0, mutex={3:0}, pdev=1, t1={2:0}, t2={26:0}] [L1688] 2 pdev = 6 VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1708] 1 return 0; VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1720] 1 error = ieee80211_register_hw() VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1721] COND FALSE 1 !(\read(error)) VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1723] 1 return 0; VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1738] 1 probe_ret = ath_ahb_probe() VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1739] COND FALSE 1 !(probe_ret!=0) VAL [ldv_usb_state=0, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1741] 1 ldv_usb_state = 1 VAL [ldv_usb_state=1, mutex={3:0}, pdev=6, t1={2:0}, t2={26:0}] [L1742] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={2:0}, t2={26:0}] [L1682] COND TRUE 2 !expression VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={2:0}, t2={26:0}] [L1682] 2 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={3:0}, pdev=7, t1={2:0}, t2={26:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 24.6s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 241 SDtfs, 447 SDslu, 513 SDs, 0 SdLazy, 809 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1186 GetRequests, 1109 SyntacticMatches, 18 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1480occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1156 ConstructedInterpolants, 0 QuantifiedInterpolants, 85048 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1255 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...