/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/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:26:43,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:26:43,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:26:43,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:26:43,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:26:43,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:26:43,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:26:43,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:26:43,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:26:43,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:26:43,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:26:43,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:26:43,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:26:43,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:26:43,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:26:43,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:26:43,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:26:43,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:26:43,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:26:43,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:26:43,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:26:43,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:26:43,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:26:43,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:26:43,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 05:26:43,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:26:43,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:26:43,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:26:43,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:26:43,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:26:43,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:26:43,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:26:43,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:26:43,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:26:43,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:26:43,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:26:43,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 05:26:43,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:26:43,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:26:43,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:26:43,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:26:43,732 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:26:43,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:26:43,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:26:43,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:26:43,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:26:43,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:26:43,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:26:43,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:26:43,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:26:43,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:26:43,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:26:43,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:26:43,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:26:43,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:26:43,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:26:43,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:26:43,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:26:43,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:26:43,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:26:43,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:26:43,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:26:43,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:26:43,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:26:43,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:26:43,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:26:44,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:26:44,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:26:44,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:26:44,089 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:26:44,090 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:26:44,090 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-16 05:26:44,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714f7700/01628484daa245389edc161ae516b4a8/FLAG799e2f213 [2020-10-16 05:26:44,787 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:26:44,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-16 05:26:44,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714f7700/01628484daa245389edc161ae516b4a8/FLAG799e2f213 [2020-10-16 05:26:44,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c714f7700/01628484daa245389edc161ae516b4a8 [2020-10-16 05:26:44,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:26:44,967 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:26:44,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:44,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:26:44,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:26:44,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:44" (1/1) ... [2020-10-16 05:26:44,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce47858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:44, skipping insertion in model container [2020-10-16 05:26:44,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:44" (1/1) ... [2020-10-16 05:26:44,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:26:45,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:26:45,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:45,792 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:26:45,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:46,278 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:26:46,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46 WrapperNode [2020-10-16 05:26:46,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:46,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:46,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:26:46,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:26:46,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:46,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:26:46,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:26:46,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:26:46,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (1/1) ... [2020-10-16 05:26:46,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:26:46,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:26:46,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:26:46,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:26:46,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (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 [2020-10-16 05:26:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-16 05:26:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-16 05:26:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:26:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:26:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-16 05:26:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-16 05:26:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 05:26:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 05:26:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:26:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:26:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:26:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:26:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 05:26:46,498 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 05:26:47,174 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:26:47,175 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-16 05:26:47,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:47 BoogieIcfgContainer [2020-10-16 05:26:47,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:26:47,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:26:47,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:26:47,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:26:47,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:26:44" (1/3) ... [2020-10-16 05:26:47,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55593778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:47, skipping insertion in model container [2020-10-16 05:26:47,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:46" (2/3) ... [2020-10-16 05:26:47,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55593778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:47, skipping insertion in model container [2020-10-16 05:26:47,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:47" (3/3) ... [2020-10-16 05:26:47,188 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-10-16 05:26:47,201 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:26:47,212 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-10-16 05:26:47,213 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:26:47,246 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,247 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,247 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,247 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,247 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,247 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,248 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,248 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,248 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,248 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,249 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,250 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,251 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,251 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,251 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,251 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,251 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,252 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,252 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,252 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,254 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,255 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,255 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,255 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,255 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,256 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,256 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,256 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,257 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,257 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,257 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,257 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,257 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,258 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,258 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,258 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,258 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,259 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,259 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,259 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,259 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,259 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,260 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,260 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,260 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,260 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,260 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,261 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,261 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,261 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,261 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,262 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,262 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,262 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,262 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,263 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,263 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,263 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,263 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,263 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,264 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,264 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,264 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,264 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,264 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,265 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,266 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,266 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,266 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,266 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,267 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,267 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,267 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,267 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,267 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,268 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,268 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,268 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,268 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,269 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,269 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,269 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,269 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,270 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,270 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,270 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,270 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,270 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,271 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,271 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,271 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,271 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,271 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,272 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,272 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,272 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,272 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,273 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,273 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,273 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,273 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,274 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,274 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,274 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,274 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,274 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,275 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,275 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,275 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,275 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,276 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,276 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,276 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,280 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,280 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,280 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,280 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,281 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,281 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,281 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,281 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,281 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,290 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,290 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,290 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,291 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,291 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,291 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,291 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,291 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,292 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,292 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,292 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,292 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,292 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,293 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,293 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,293 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,293 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,293 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,294 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,294 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,294 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,296 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,296 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,297 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,297 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,297 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,297 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,297 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,298 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,298 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:47,330 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-16 05:26:47,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:26:47,352 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:26:47,352 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:26:47,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:26:47,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:26:47,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:26:47,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:26:47,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:26:47,375 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-10-16 05:26:47,558 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-10-16 05:26:47,558 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:47,570 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. [2020-10-16 05:26:47,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 285 transitions, 612 flow [2020-10-16 05:26:47,582 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 190 transitions, 403 flow [2020-10-16 05:26:47,585 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:26:47,588 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 190 transitions, 403 flow [2020-10-16 05:26:47,591 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 190 transitions, 403 flow [2020-10-16 05:26:47,591 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 172 places, 190 transitions, 403 flow [2020-10-16 05:26:47,661 INFO L129 PetriNetUnfolder]: 67/499 cut-off events. [2020-10-16 05:26:47,662 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:47,666 INFO L80 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 499 events. 67/499 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1158 event pairs, 0 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 440. Up to 28 conditions per place. [2020-10-16 05:26:47,689 INFO L117 LiptonReduction]: Number of co-enabled transitions 10574 [2020-10-16 05:26:47,926 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,950 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,955 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,974 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,976 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,977 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:86 [2020-10-16 05:26:47,992 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:48,011 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:48,012 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:48,013 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:90 [2020-10-16 05:26:51,705 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,729 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,736 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,754 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,755 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,756 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:86 [2020-10-16 05:26:51,775 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,797 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,798 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:90 [2020-10-16 05:26:54,276 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-10-16 05:26:54,996 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:55,027 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:55,034 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:55,064 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:55,066 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:55,066 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:96, output treesize:98 [2020-10-16 05:26:55,081 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:55,105 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:55,106 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:55,107 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:101, output treesize:102 [2020-10-16 05:26:57,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 05:26:58,592 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 05:26:58,710 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-16 05:26:58,954 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 05:26:59,093 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-16 05:26:59,108 INFO L132 LiptonReduction]: Checked pairs total: 19924 [2020-10-16 05:26:59,108 INFO L134 LiptonReduction]: Total number of compositions: 234 [2020-10-16 05:26:59,111 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11528 [2020-10-16 05:26:59,115 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-10-16 05:26:59,115 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:26:59,115 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:59,116 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 05:26:59,116 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]=== [2020-10-16 05:26:59,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:59,121 INFO L82 PathProgramCache]: Analyzing trace with hash 882, now seen corresponding path program 1 times [2020-10-16 05:26:59,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:59,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884357646] [2020-10-16 05:26:59,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:59,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884357646] [2020-10-16 05:26:59,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:59,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 05:26:59,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262991909] [2020-10-16 05:26:59,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 05:26:59,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:59,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 05:26:59,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 05:26:59,401 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 462 out of 519 [2020-10-16 05:26:59,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 46 transitions, 115 flow. Second operand 2 states. [2020-10-16 05:26:59,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:59,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 462 of 519 [2020-10-16 05:26:59,407 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:59,430 INFO L129 PetriNetUnfolder]: 20/114 cut-off events. [2020-10-16 05:26:59,430 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 05:26:59,431 INFO L80 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 114 events. 20/114 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 376 event pairs, 0 based on Foata normal form. 8/80 useless extension candidates. Maximal degree in co-relation 134. Up to 11 conditions per place. [2020-10-16 05:26:59,433 INFO L132 encePairwiseOnDemand]: 514/519 looper letters, 0 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2020-10-16 05:26:59,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 105 flow [2020-10-16 05:26:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 05:26:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 05:26:59,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 929 transitions. [2020-10-16 05:26:59,454 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.894990366088632 [2020-10-16 05:26:59,454 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 929 transitions. [2020-10-16 05:26:59,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 929 transitions. [2020-10-16 05:26:59,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:59,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 929 transitions. [2020-10-16 05:26:59,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 05:26:59,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 05:26:59,476 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 05:26:59,479 INFO L185 Difference]: Start difference. First operand has 41 places, 46 transitions, 115 flow. Second operand 2 states and 929 transitions. [2020-10-16 05:26:59,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 105 flow [2020-10-16 05:26:59,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:26:59,485 INFO L241 Difference]: Finished difference. Result has 38 places, 41 transitions, 101 flow [2020-10-16 05:26:59,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=38, PETRI_TRANSITIONS=41} [2020-10-16 05:26:59,490 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places. [2020-10-16 05:26:59,490 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 41 transitions, 101 flow [2020-10-16 05:26:59,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 05:26:59,490 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:59,490 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 05:26:59,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:26:59,491 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]=== [2020-10-16 05:26:59,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:59,492 INFO L82 PathProgramCache]: Analyzing trace with hash 241679749, now seen corresponding path program 1 times [2020-10-16 05:26:59,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:59,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914148137] [2020-10-16 05:26:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:59,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914148137] [2020-10-16 05:26:59,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:59,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:59,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566300034] [2020-10-16 05:26:59,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:26:59,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:59,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:26:59,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:26:59,678 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 519 [2020-10-16 05:26:59,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 41 transitions, 101 flow. Second operand 3 states. [2020-10-16 05:26:59,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:59,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 519 [2020-10-16 05:26:59,679 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:26:59,718 INFO L129 PetriNetUnfolder]: 14/134 cut-off events. [2020-10-16 05:26:59,718 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:26:59,719 INFO L80 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 134 events. 14/134 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 533 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 172. Up to 14 conditions per place. [2020-10-16 05:26:59,720 INFO L132 encePairwiseOnDemand]: 516/519 looper letters, 7 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2020-10-16 05:26:59,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 119 flow [2020-10-16 05:26:59,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:26:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:26:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1333 transitions. [2020-10-16 05:26:59,725 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8561335902376365 [2020-10-16 05:26:59,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1333 transitions. [2020-10-16 05:26:59,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1333 transitions. [2020-10-16 05:26:59,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:26:59,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1333 transitions. [2020-10-16 05:26:59,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:26:59,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:26:59,732 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:26:59,732 INFO L185 Difference]: Start difference. First operand has 38 places, 41 transitions, 101 flow. Second operand 3 states and 1333 transitions. [2020-10-16 05:26:59,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 119 flow [2020-10-16 05:26:59,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 119 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:26:59,735 INFO L241 Difference]: Finished difference. Result has 41 places, 41 transitions, 108 flow [2020-10-16 05:26:59,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=41, PETRI_TRANSITIONS=41} [2020-10-16 05:26:59,736 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 0 predicate places. [2020-10-16 05:26:59,737 INFO L481 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 108 flow [2020-10-16 05:26:59,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:26:59,737 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:26:59,737 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 05:26:59,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:26:59,738 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]=== [2020-10-16 05:26:59,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:26:59,738 INFO L82 PathProgramCache]: Analyzing trace with hash 241634297, now seen corresponding path program 1 times [2020-10-16 05:26:59,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:26:59,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66547264] [2020-10-16 05:26:59,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:26:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:26:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:26:59,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66547264] [2020-10-16 05:26:59,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:26:59,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:26:59,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170624086] [2020-10-16 05:26:59,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 05:26:59,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:26:59,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 05:26:59,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 05:26:59,809 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 519 [2020-10-16 05:26:59,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 108 flow. Second operand 4 states. [2020-10-16 05:26:59,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:26:59,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 519 [2020-10-16 05:26:59,811 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:00,130 INFO L129 PetriNetUnfolder]: 879/1715 cut-off events. [2020-10-16 05:27:00,130 INFO L130 PetriNetUnfolder]: For 48/60 co-relation queries the response was YES. [2020-10-16 05:27:00,134 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 1715 events. 879/1715 cut-off events. For 48/60 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 10786 event pairs, 176 based on Foata normal form. 9/1221 useless extension candidates. Maximal degree in co-relation 3255. Up to 646 conditions per place. [2020-10-16 05:27:00,147 INFO L132 encePairwiseOnDemand]: 509/519 looper letters, 31 selfloop transitions, 15 changer transitions 1/69 dead transitions. [2020-10-16 05:27:00,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 69 transitions, 262 flow [2020-10-16 05:27:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 05:27:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 05:27:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1899 transitions. [2020-10-16 05:27:00,154 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7317919075144509 [2020-10-16 05:27:00,155 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1899 transitions. [2020-10-16 05:27:00,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1899 transitions. [2020-10-16 05:27:00,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:00,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1899 transitions. [2020-10-16 05:27:00,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 05:27:00,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 05:27:00,169 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 05:27:00,169 INFO L185 Difference]: Start difference. First operand has 41 places, 41 transitions, 108 flow. Second operand 5 states and 1899 transitions. [2020-10-16 05:27:00,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 69 transitions, 262 flow [2020-10-16 05:27:00,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 69 transitions, 261 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:27:00,173 INFO L241 Difference]: Finished difference. Result has 48 places, 53 transitions, 217 flow [2020-10-16 05:27:00,174 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=217, PETRI_PLACES=48, PETRI_TRANSITIONS=53} [2020-10-16 05:27:00,174 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 7 predicate places. [2020-10-16 05:27:00,174 INFO L481 AbstractCegarLoop]: Abstraction has has 48 places, 53 transitions, 217 flow [2020-10-16 05:27:00,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 05:27:00,175 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:00,175 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:00,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:27:00,175 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]=== [2020-10-16 05:27:00,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:00,176 INFO L82 PathProgramCache]: Analyzing trace with hash 315160345, now seen corresponding path program 1 times [2020-10-16 05:27:00,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:00,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118804087] [2020-10-16 05:27:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:00,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118804087] [2020-10-16 05:27:00,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:00,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:27:00,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229917278] [2020-10-16 05:27:00,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:00,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:00,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:00,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:00,259 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 519 [2020-10-16 05:27:00,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 53 transitions, 217 flow. Second operand 3 states. [2020-10-16 05:27:00,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:00,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 519 [2020-10-16 05:27:00,261 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:00,575 INFO L129 PetriNetUnfolder]: 727/1581 cut-off events. [2020-10-16 05:27:00,576 INFO L130 PetriNetUnfolder]: For 1374/1557 co-relation queries the response was YES. [2020-10-16 05:27:00,582 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4418 conditions, 1581 events. 727/1581 cut-off events. For 1374/1557 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10730 event pairs, 199 based on Foata normal form. 67/1248 useless extension candidates. Maximal degree in co-relation 4409. Up to 1033 conditions per place. [2020-10-16 05:27:00,595 INFO L132 encePairwiseOnDemand]: 509/519 looper letters, 30 selfloop transitions, 10 changer transitions 0/65 dead transitions. [2020-10-16 05:27:00,595 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 347 flow [2020-10-16 05:27:00,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1196 transitions. [2020-10-16 05:27:00,600 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7681438664097624 [2020-10-16 05:27:00,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1196 transitions. [2020-10-16 05:27:00,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1196 transitions. [2020-10-16 05:27:00,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:00,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1196 transitions. [2020-10-16 05:27:00,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:00,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:00,607 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:00,607 INFO L185 Difference]: Start difference. First operand has 48 places, 53 transitions, 217 flow. Second operand 3 states and 1196 transitions. [2020-10-16 05:27:00,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 347 flow [2020-10-16 05:27:00,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 65 transitions, 347 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:27:00,618 INFO L241 Difference]: Finished difference. Result has 52 places, 62 transitions, 323 flow [2020-10-16 05:27:00,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=52, PETRI_TRANSITIONS=62} [2020-10-16 05:27:00,619 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 11 predicate places. [2020-10-16 05:27:00,619 INFO L481 AbstractCegarLoop]: Abstraction has has 52 places, 62 transitions, 323 flow [2020-10-16 05:27:00,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:00,619 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:00,620 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:00,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 05:27:00,620 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]=== [2020-10-16 05:27:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:00,620 INFO L82 PathProgramCache]: Analyzing trace with hash 314833722, now seen corresponding path program 1 times [2020-10-16 05:27:00,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:00,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001010997] [2020-10-16 05:27:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:00,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001010997] [2020-10-16 05:27:00,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:00,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:27:00,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292825523] [2020-10-16 05:27:00,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:00,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:00,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:00,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:00,698 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 519 [2020-10-16 05:27:00,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 62 transitions, 323 flow. Second operand 3 states. [2020-10-16 05:27:00,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:00,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 519 [2020-10-16 05:27:00,701 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:00,954 INFO L129 PetriNetUnfolder]: 693/1494 cut-off events. [2020-10-16 05:27:00,955 INFO L130 PetriNetUnfolder]: For 2639/2917 co-relation queries the response was YES. [2020-10-16 05:27:00,959 INFO L80 FinitePrefix]: Finished finitePrefix Result has 5017 conditions, 1494 events. 693/1494 cut-off events. For 2639/2917 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9971 event pairs, 189 based on Foata normal form. 129/1224 useless extension candidates. Maximal degree in co-relation 5006. Up to 892 conditions per place. [2020-10-16 05:27:00,972 INFO L132 encePairwiseOnDemand]: 512/519 looper letters, 39 selfloop transitions, 11 changer transitions 0/75 dead transitions. [2020-10-16 05:27:00,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 75 transitions, 513 flow [2020-10-16 05:27:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:00,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1193 transitions. [2020-10-16 05:27:00,977 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7662170841361593 [2020-10-16 05:27:00,977 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1193 transitions. [2020-10-16 05:27:00,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1193 transitions. [2020-10-16 05:27:00,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:00,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1193 transitions. [2020-10-16 05:27:00,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:00,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:00,984 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:00,984 INFO L185 Difference]: Start difference. First operand has 52 places, 62 transitions, 323 flow. Second operand 3 states and 1193 transitions. [2020-10-16 05:27:00,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 75 transitions, 513 flow [2020-10-16 05:27:00,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 475 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-16 05:27:00,992 INFO L241 Difference]: Finished difference. Result has 53 places, 69 transitions, 394 flow [2020-10-16 05:27:00,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=53, PETRI_TRANSITIONS=69} [2020-10-16 05:27:00,993 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2020-10-16 05:27:00,993 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 69 transitions, 394 flow [2020-10-16 05:27:00,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:00,993 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:00,993 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:00,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 05:27:00,994 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]=== [2020-10-16 05:27:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:00,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1180052588, now seen corresponding path program 1 times [2020-10-16 05:27:00,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:00,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490250737] [2020-10-16 05:27:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:01,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490250737] [2020-10-16 05:27:01,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:01,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:27:01,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283448229] [2020-10-16 05:27:01,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:01,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:01,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:01,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:01,051 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 519 [2020-10-16 05:27:01,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 69 transitions, 394 flow. Second operand 3 states. [2020-10-16 05:27:01,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:01,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 519 [2020-10-16 05:27:01,053 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:01,111 INFO L129 PetriNetUnfolder]: 65/257 cut-off events. [2020-10-16 05:27:01,112 INFO L130 PetriNetUnfolder]: For 416/435 co-relation queries the response was YES. [2020-10-16 05:27:01,113 INFO L80 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 257 events. 65/257 cut-off events. For 416/435 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1281 event pairs, 0 based on Foata normal form. 9/229 useless extension candidates. Maximal degree in co-relation 670. Up to 68 conditions per place. [2020-10-16 05:27:01,114 INFO L132 encePairwiseOnDemand]: 511/519 looper letters, 9 selfloop transitions, 10 changer transitions 1/65 dead transitions. [2020-10-16 05:27:01,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 65 transitions, 393 flow [2020-10-16 05:27:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:01,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2020-10-16 05:27:01,119 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7809890815671162 [2020-10-16 05:27:01,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2020-10-16 05:27:01,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2020-10-16 05:27:01,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:01,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2020-10-16 05:27:01,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:01,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:01,126 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:01,126 INFO L185 Difference]: Start difference. First operand has 53 places, 69 transitions, 394 flow. Second operand 3 states and 1216 transitions. [2020-10-16 05:27:01,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 65 transitions, 393 flow [2020-10-16 05:27:01,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 65 transitions, 367 flow, removed 3 selfloop flow, removed 3 redundant places. [2020-10-16 05:27:01,131 INFO L241 Difference]: Finished difference. Result has 53 places, 63 transitions, 371 flow [2020-10-16 05:27:01,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=519, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=53, PETRI_TRANSITIONS=63} [2020-10-16 05:27:01,132 INFO L342 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2020-10-16 05:27:01,132 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 63 transitions, 371 flow [2020-10-16 05:27:01,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:01,132 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:01,132 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:01,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 05:27:01,133 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]=== [2020-10-16 05:27:01,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:01,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2073852336, now seen corresponding path program 1 times [2020-10-16 05:27:01,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:01,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244544962] [2020-10-16 05:27:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:27:01,171 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:27:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 05:27:01,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 05:27:01,221 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 05:27:01,222 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 05:27:01,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 05:27:01,222 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 05:27:01,223 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 05:27:01,223 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 05:27:01,228 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [855] [855] ULTIMATE.startENTRY-->L1770: Formula: (let ((.cse1 (store |#valid_In1174330232| 0 0))) (let ((.cse3 (store .cse1 |~#t1~0.base_Out1174330232| 1))) (let ((.cse2 (store .cse3 |~#t2~0.base_Out1174330232| 1)) (.cse0 (select |#memory_int_In1174330232| |~#mutex~0.base_Out1174330232|))) (and (= |~#mutex~0.offset_Out1174330232| 0) (< |#StackHeapBarrier_In1174330232| |~#mutex~0.base_Out1174330232|) (= |#NULL.offset_Out1174330232| 0) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1174330232| 1) (= |#length_Out1174330232| (store (store (store |#length_In1174330232| |~#t1~0.base_Out1174330232| 4) |~#t2~0.base_Out1174330232| 4) |~#mutex~0.base_Out1174330232| 24)) (< 0 |#StackHeapBarrier_In1174330232|) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet41_Out1174330232| 2147483648)) (= (select .cse0 |~#mutex~0.offset_Out1174330232|) 0) (= |#NULL.base_Out1174330232| 0) (= |~#t1~0.offset_Out1174330232| 0) (< |#StackHeapBarrier_In1174330232| |~#t1~0.base_Out1174330232|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1174330232| ULTIMATE.start_ldv_assert_~expression_Out1174330232) (= (select .cse1 |~#t1~0.base_Out1174330232|) 0) (= |#valid_Out1174330232| (store .cse2 |~#mutex~0.base_Out1174330232| 1)) (= (select .cse0 (+ |~#mutex~0.offset_Out1174330232| 16)) 0) (<= |ULTIMATE.start_module_init_#t~nondet41_Out1174330232| 2147483647) (= ~pdev~0_Out1174330232 1) (= (store |#pthreadsMutex_In1174330232| |~#mutex~0.base_Out1174330232| (store (select |#pthreadsMutex_In1174330232| |~#mutex~0.base_Out1174330232|) |~#mutex~0.offset_Out1174330232| 0)) |#pthreadsMutex_Out1174330232|) (= (select .cse3 |~#t2~0.base_Out1174330232|) 0) (= |~#t2~0.offset_Out1174330232| 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1174330232| 4)) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1174330232| 8)) 0) (< |#StackHeapBarrier_In1174330232| |~#t2~0.base_Out1174330232|) (= (select .cse2 |~#mutex~0.base_Out1174330232|) 0) (= (select .cse0 (+ |~#mutex~0.offset_Out1174330232| 12)) 0) (= ~ldv_usb_state~0_Out1174330232 0) (= (select (select |#memory_int_In1174330232| |~#t1~0.base_Out1174330232|) |~#t1~0.offset_Out1174330232|) 0) (= (select (select |#memory_int_In1174330232| |~#t2~0.base_Out1174330232|) |~#t2~0.offset_Out1174330232|) 0))))) InVars {#pthreadsMutex=|#pthreadsMutex_In1174330232|, #StackHeapBarrier=|#StackHeapBarrier_In1174330232|, #valid=|#valid_In1174330232|, #memory_int=|#memory_int_In1174330232|, #length=|#length_In1174330232|} OutVars{ULTIMATE.start_module_init_#res=|ULTIMATE.start_module_init_#res_Out1174330232|, #pthreadsMutex=|#pthreadsMutex_Out1174330232|, ~#mutex~0.base=|~#mutex~0.base_Out1174330232|, ~#mutex~0.offset=|~#mutex~0.offset_Out1174330232|, #NULL.offset=|#NULL.offset_Out1174330232|, ULTIMATE.start_module_init_#t~nondet42=|ULTIMATE.start_module_init_#t~nondet42_Out1174330232|, ULTIMATE.start_main_#t~ret45=|ULTIMATE.start_main_#t~ret45_Out1174330232|, ~#t1~0.offset=|~#t1~0.offset_Out1174330232|, ULTIMATE.start_module_init_#t~nondet41=|ULTIMATE.start_module_init_#t~nondet41_Out1174330232|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1174330232|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1174330232, ~ldv_usb_state~0=~ldv_usb_state~0_Out1174330232, #NULL.base=|#NULL.base_Out1174330232|, #StackHeapBarrier=|#StackHeapBarrier_In1174330232|, ~#t1~0.base=|~#t1~0.base_Out1174330232|, ~pdev~0=~pdev~0_Out1174330232, ULTIMATE.start_main_#res=|ULTIMATE.start_main_#res_Out1174330232|, #valid=|#valid_Out1174330232|, ~#t2~0.offset=|~#t2~0.offset_Out1174330232|, #memory_int=|#memory_int_In1174330232|, #length=|#length_Out1174330232|, ~#t2~0.base=|~#t2~0.base_Out1174330232|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_main_#t~ret45, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, ~ldv_usb_state~0, #NULL.base, ~#t1~0.base, ~pdev~0, ULTIMATE.start_main_#res, #valid, ~#t2~0.offset, #length, ~#t2~0.base] because there is no mapped edge [2020-10-16 05:27:01,229 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [708] [708] L1721-->L1725: Formula: (let ((.cse0 (= thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-1503882200 0))) (or (and (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-1503882200| 0) .cse0) (and (not .cse0) (= (- 1) |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-1503882200|)))) InVars {thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-1503882200} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-1503882200|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-1503882200} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res] because there is no mapped edge [2020-10-16 05:27:01,231 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [853] [853] L1693-2-->L1693-2: Formula: (let ((.cse0 (= |thread_ath9kThread1of1ForFork0_#t~nondet31_In962201054| 1))) (or (and (not (= 2 |thread_ath9kThread1of1ForFork0_#t~nondet31_In962201054|)) (<= |thread_ath9kThread1of1ForFork0_#t~nondet31_In962201054| 2147483647) (= |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out962201054| |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In962201054|) (= |#pthreadsMutex_In962201054| |#pthreadsMutex_Out962201054|) (not .cse0) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out962201054| |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In962201054|) (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out962201054 thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In962201054) (= ~pdev~0_In962201054 ~pdev~0_Out962201054) (<= 0 (+ |thread_ath9kThread1of1ForFork0_#t~nondet31_In962201054| 2147483648))) (let ((.cse1 (select |#pthreadsMutex_In962201054| |~#mutex~0.base_In962201054|))) (and (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out962201054 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out962201054|) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out962201054| 1) (= (select .cse1 |~#mutex~0.offset_In962201054|) 0) .cse0 (= (store |#pthreadsMutex_In962201054| |~#mutex~0.base_In962201054| (store .cse1 |~#mutex~0.offset_In962201054| 0)) |#pthreadsMutex_Out962201054|) (= 6 ~pdev~0_Out962201054))))) InVars {#pthreadsMutex=|#pthreadsMutex_In962201054|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In962201054|, ~#mutex~0.base=|~#mutex~0.base_In962201054|, ~pdev~0=~pdev~0_In962201054, ~#mutex~0.offset=|~#mutex~0.offset_In962201054|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In962201054|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_In962201054|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In962201054} OutVars{#pthreadsMutex=|#pthreadsMutex_Out962201054|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out962201054|, ~#mutex~0.base=|~#mutex~0.base_In962201054|, ~pdev~0=~pdev~0_Out962201054, ~#mutex~0.offset=|~#mutex~0.offset_In962201054|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out962201054|, thread_ath9kThread1of1ForFork0_#t~switch32=|thread_ath9kThread1of1ForFork0_#t~switch32_Out962201054|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_Out962201054|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out962201054} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30, ~pdev~0, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork0_#t~switch32, thread_ath9kThread1of1ForFork0_#t~nondet31, thread_ath9kThread1of1ForFork0_ldv_assert_~expression] because there is no mapped edge [2020-10-16 05:27:01,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:27:01 BasicIcfg [2020-10-16 05:27:01,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 05:27:01,264 INFO L168 Benchmark]: Toolchain (without parser) took 16296.15 ms. Allocated memory was 247.5 MB in the beginning and 486.5 MB in the end (delta: 239.1 MB). Free memory was 200.3 MB in the beginning and 184.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 254.7 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,264 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 247.5 MB. Free memory is still 223.8 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 05:27:01,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.13 ms. Allocated memory was 247.5 MB in the beginning and 350.2 MB in the end (delta: 102.8 MB). Free memory was 200.3 MB in the beginning and 316.2 MB in the end (delta: -115.9 MB). Peak memory consumption was 109.6 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.04 ms. Allocated memory is still 350.2 MB. Free memory was 316.2 MB in the beginning and 312.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,267 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 350.2 MB. Free memory was 312.8 MB in the beginning and 309.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,267 INFO L168 Benchmark]: RCFGBuilder took 769.62 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 257.9 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,268 INFO L168 Benchmark]: TraceAbstraction took 14082.01 ms. Allocated memory was 350.2 MB in the beginning and 486.5 MB in the end (delta: 136.3 MB). Free memory was 257.9 MB in the beginning and 184.7 MB in the end (delta: 73.2 MB). Peak memory consumption was 209.6 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:01,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 247.5 MB. Free memory is still 223.8 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1311.13 ms. Allocated memory was 247.5 MB in the beginning and 350.2 MB in the end (delta: 102.8 MB). Free memory was 200.3 MB in the beginning and 316.2 MB in the end (delta: -115.9 MB). Peak memory consumption was 109.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 72.04 ms. Allocated memory is still 350.2 MB. Free memory was 316.2 MB in the beginning and 312.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 56.42 ms. Allocated memory is still 350.2 MB. Free memory was 312.8 MB in the beginning and 309.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 769.62 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 257.9 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 14.2 GB. * TraceAbstraction took 14082.01 ms. Allocated memory was 350.2 MB in the beginning and 486.5 MB in the end (delta: 136.3 MB). Free memory was 257.9 MB in the beginning and 184.7 MB in the end (delta: 73.2 MB). Peak memory consumption was 209.6 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8237 VarBasedMoverChecksPositive, 119 VarBasedMoverChecksNegative, 44 SemBasedMoverChecksPositive, 72 SemBasedMoverChecksNegative, 3 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 7.0s, 333 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.5s, 172 PlacesBefore, 41 PlacesAfterwards, 190 TransitionsBefore, 46 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 48 TrivialSequentialCompositions, 130 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 42 ConcurrentYvCompositions, 13 ChoiceCompositions, 234 TotalNumberOfCompositions, 19924 MoverChecksTotal - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1770] COND TRUE 0 __VERIFIER_nondet_int() [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={2:0}] [L1732] 1 ldv_usb_state = 0 [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={2:0}] [L1734] COND TRUE 1 1 [L1736] 1 case 0: [L1737] COND TRUE 1 ldv_usb_state==0 [L1719] 1 int error; [L1706] COND TRUE 1 __VERIFIER_nondet_int() [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={2:0}] [L1708] 1 return 0; [L1720] 1 error = ieee80211_register_hw() [L1738] 1 probe_ret = ath_ahb_probe() [L1739] COND FALSE 1 !(probe_ret!=0) [L1741] 1 ldv_usb_state = 1 [L1742] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={2:0}] [L1682] COND TRUE 1 !expression [L1682] 1 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={5:0}, pdev=6, t1={3:0}, t2={2:0}] - 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: 13.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.7s, HoareTripleCheckerStatistics: 87 SDtfs, 27 SDslu, 14 SDs, 0 SdLazy, 113 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=5, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 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...