/usr/bin/java -Xmx8000000000 -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-FA-SemanticLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 11:34:25,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 11:34:25,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 11:34:25,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 11:34:25,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 11:34:25,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 11:34:25,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 11:34:25,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 11:34:25,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 11:34:25,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 11:34:25,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 11:34:25,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 11:34:25,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 11:34:25,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 11:34:25,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 11:34:25,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 11:34:25,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 11:34:25,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 11:34:25,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 11:34:25,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 11:34:25,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 11:34:25,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 11:34:25,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 11:34:25,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 11:34:25,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 11:34:25,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 11:34:25,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 11:34:25,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 11:34:25,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 11:34:25,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 11:34:25,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 11:34:25,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 11:34:25,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 11:34:25,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 11:34:25,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 11:34:25,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 11:34:25,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 11:34:25,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 11:34:25,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 11:34:25,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 11:34:25,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 11:34:25,510 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-FA-SemanticLbe-McrStrategy.epf [2020-04-18 11:34:25,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 11:34:25,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 11:34:25,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 11:34:25,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 11:34:25,530 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 11:34:25,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 11:34:25,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 11:34:25,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 11:34:25,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 11:34:25,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 11:34:25,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 11:34:25,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 11:34:25,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 11:34:25,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 11:34:25,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 11:34:25,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 11:34:25,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:34:25,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 11:34:25,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 11:34:25,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 11:34:25,535 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 11:34:25,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 11:34:25,535 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 11:34:25,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 11:34:25,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 11:34:25,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 11:34:25,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 11:34:25,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 11:34:25,875 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 11:34:25,876 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 11:34:25,876 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-18 11:34:25,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9922f792b/0ccd324499854641b75f2fb6650acce5/FLAGf5426ba5a [2020-04-18 11:34:26,564 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 11:34:26,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-18 11:34:26,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9922f792b/0ccd324499854641b75f2fb6650acce5/FLAGf5426ba5a [2020-04-18 11:34:26,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9922f792b/0ccd324499854641b75f2fb6650acce5 [2020-04-18 11:34:26,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 11:34:26,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 11:34:26,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 11:34:26,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 11:34:26,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 11:34:26,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8c7931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:26, skipping insertion in model container [2020-04-18 11:34:26,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 11:34:26" (1/1) ... [2020-04-18 11:34:26,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 11:34:26,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 11:34:27,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:34:27,718 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 11:34:27,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 11:34:28,373 INFO L208 MainTranslator]: Completed translation [2020-04-18 11:34:28,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28 WrapperNode [2020-04-18 11:34:28,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 11:34:28,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 11:34:28,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 11:34:28,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 11:34:28,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 11:34:28,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 11:34:28,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 11:34:28,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 11:34:28,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... [2020-04-18 11:34:28,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 11:34:28,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 11:34:28,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 11:34:28,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 11:34:28,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 11:34:28,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-18 11:34:28,765 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-18 11:34:28,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 11:34:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 11:34:28,766 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-18 11:34:28,766 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-18 11:34:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 11:34:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 11:34:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 11:34:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 11:34:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 11:34:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 11:34:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 11:34:28,771 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 11:34:29,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 11:34:29,833 INFO L295 CfgBuilder]: Removed 34 assume(true) statements. [2020-04-18 11:34:29,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:34:29 BoogieIcfgContainer [2020-04-18 11:34:29,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 11:34:29,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 11:34:29,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 11:34:29,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 11:34:29,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 11:34:26" (1/3) ... [2020-04-18 11:34:29,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5dc289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:34:29, skipping insertion in model container [2020-04-18 11:34:29,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 11:34:28" (2/3) ... [2020-04-18 11:34:29,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e5dc289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 11:34:29, skipping insertion in model container [2020-04-18 11:34:29,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 11:34:29" (3/3) ... [2020-04-18 11:34:29,858 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-04-18 11:34:29,869 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 11:34:29,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 11:34:29,879 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-04-18 11:34:29,880 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 11:34:29,936 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,936 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,936 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,937 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,937 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,938 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,938 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,938 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,938 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,939 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,942 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,942 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,943 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,943 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,943 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,944 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,944 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,944 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,945 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,945 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,945 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,945 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,946 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,946 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,946 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,946 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,947 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,951 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,951 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,951 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,952 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,952 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,953 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,954 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,954 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,954 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,955 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,955 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,956 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,956 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,956 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,956 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,956 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,957 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,957 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,957 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,957 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,958 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,958 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,958 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,959 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,959 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,959 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,959 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,960 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,960 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,960 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,960 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,961 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,961 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,961 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,962 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,962 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,962 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,962 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,963 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,963 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,963 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,965 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,966 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,966 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,967 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,967 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,968 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,969 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,969 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,970 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,970 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,970 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,971 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,971 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,972 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,972 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,972 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,973 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,974 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,974 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,974 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,976 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,977 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,977 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,977 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,977 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,977 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,978 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,978 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,978 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,979 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,979 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,979 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,979 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,980 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,984 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,985 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,985 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,985 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,992 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,993 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,994 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,994 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,994 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,995 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,995 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,995 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:29,996 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,000 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,001 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,001 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,001 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,001 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,002 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,002 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,002 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,002 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,008 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,009 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,009 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,009 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,010 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,010 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,010 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,010 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,011 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,011 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,011 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,011 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,012 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,012 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,012 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,012 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,013 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,013 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,017 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,017 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,017 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,017 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,018 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,018 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,018 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,018 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,018 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 11:34:30,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-04-18 11:34:30,083 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 11:34:30,083 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 11:34:30,083 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 11:34:30,084 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 11:34:30,084 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 11:34:30,084 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 11:34:30,084 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 11:34:30,084 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 11:34:30,106 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions, 612 flow [2020-04-18 11:34:30,129 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-18 11:34:30,308 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-18 11:34:30,309 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 11:34:30,325 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. [2020-04-18 11:34:30,348 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-18 11:34:30,445 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-18 11:34:30,445 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 11:34:30,451 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. [2020-04-18 11:34:30,471 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10574 [2020-04-18 11:34:30,472 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-18 11:34:33,549 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2020-04-18 11:34:37,166 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-04-18 11:34:39,038 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-04-18 11:34:39,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-18 11:34:39,177 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-04-18 11:34:41,267 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-04-18 11:34:41,452 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-04-18 11:34:42,122 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-04-18 11:34:42,289 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 11:34:42,651 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-04-18 11:34:42,823 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-18 11:34:42,842 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13875 [2020-04-18 11:34:42,843 INFO L214 etLargeBlockEncoding]: Total number of compositions: 338 [2020-04-18 11:34:42,847 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 68 transitions, 178 flow [2020-04-18 11:34:42,906 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 870 states. [2020-04-18 11:34:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states. [2020-04-18 11:34:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:34:42,915 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:42,915 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 11:34:42,916 INFO L427 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]=== [2020-04-18 11:34:42,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1010, now seen corresponding path program 1 times [2020-04-18 11:34:42,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:42,930 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [332552788] [2020-04-18 11:34:42,947 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:42,955 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:34:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-04-18 11:34:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 11:34:42,957 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:42,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:42,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1010, now seen corresponding path program 2 times [2020-04-18 11:34:42,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:42,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985581394] [2020-04-18 11:34:42,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:43,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985581394] [2020-04-18 11:34:43,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:43,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 11:34:43,216 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:43,216 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:43,217 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 11:34:43,217 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:43,220 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:43,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:34:43,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:43,227 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 2 states. [2020-04-18 11:34:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:43,233 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2020-04-18 11:34:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2020-04-18 11:34:43,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:43,234 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [332552788] [2020-04-18 11:34:43,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:43,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [0] total 0 [2020-04-18 11:34:43,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [332552788] [2020-04-18 11:34:43,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 11:34:43,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:43,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 11:34:43,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:43,242 INFO L87 Difference]: Start difference. First operand 870 states. Second operand 2 states. [2020-04-18 11:34:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:43,283 INFO L93 Difference]: Finished difference Result 868 states and 2462 transitions. [2020-04-18 11:34:43,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 11:34:43,284 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 11:34:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:43,314 INFO L225 Difference]: With dead ends: 868 [2020-04-18 11:34:43,315 INFO L226 Difference]: Without dead ends: 845 [2020-04-18 11:34:43,316 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 11:34:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-04-18 11:34:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2020-04-18 11:34:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-04-18 11:34:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 2416 transitions. [2020-04-18 11:34:43,445 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 2416 transitions. Word has length 1 [2020-04-18 11:34:43,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:43,445 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 2416 transitions. [2020-04-18 11:34:43,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 11:34:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2416 transitions. [2020-04-18 11:34:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:43,449 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:43,449 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 11:34:43,450 INFO L427 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]=== [2020-04-18 11:34:43,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:43,450 INFO L82 PathProgramCache]: Analyzing trace with hash -415740166, now seen corresponding path program 1 times [2020-04-18 11:34:43,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:43,451 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2004141630] [2020-04-18 11:34:43,452 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:43,452 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 11:34:43,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:43,453 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:43,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:43,454 INFO L82 PathProgramCache]: Analyzing trace with hash -415740166, now seen corresponding path program 2 times [2020-04-18 11:34:43,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:43,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600463754] [2020-04-18 11:34:43,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:43,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600463754] [2020-04-18 11:34:43,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:43,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:43,665 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:43,666 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:43,667 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:43,667 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:43,677 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:43,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:43,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:43,678 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2020-04-18 11:34:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:43,684 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 11:34:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 11:34:43,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:43,685 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2004141630] [2020-04-18 11:34:43,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:43,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:43,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2004141630] [2020-04-18 11:34:43,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:43,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:43,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:43,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:43,688 INFO L87 Difference]: Start difference. First operand 845 states and 2416 transitions. Second operand 3 states. [2020-04-18 11:34:43,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:43,730 INFO L93 Difference]: Finished difference Result 1161 states and 3206 transitions. [2020-04-18 11:34:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:43,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-04-18 11:34:43,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:43,740 INFO L225 Difference]: With dead ends: 1161 [2020-04-18 11:34:43,740 INFO L226 Difference]: Without dead ends: 1161 [2020-04-18 11:34:43,742 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:43,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-04-18 11:34:43,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 893. [2020-04-18 11:34:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-04-18 11:34:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 2554 transitions. [2020-04-18 11:34:43,785 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 2554 transitions. Word has length 6 [2020-04-18 11:34:43,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:43,786 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 2554 transitions. [2020-04-18 11:34:43,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2554 transitions. [2020-04-18 11:34:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:43,787 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:43,787 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 11:34:43,787 INFO L427 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]=== [2020-04-18 11:34:43,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:43,788 INFO L82 PathProgramCache]: Analyzing trace with hash -415770475, now seen corresponding path program 1 times [2020-04-18 11:34:43,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:43,788 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1474474909] [2020-04-18 11:34:43,789 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:43,789 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 11:34:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 11:34:43,790 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:43,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:43,790 INFO L82 PathProgramCache]: Analyzing trace with hash -415770475, now seen corresponding path program 2 times [2020-04-18 11:34:43,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:43,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972885272] [2020-04-18 11:34:43,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:43,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972885272] [2020-04-18 11:34:43,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:43,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:43,877 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:43,877 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:43,878 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 11:34:43,878 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:43,892 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:43,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:43,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 11:34:43,893 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-04-18 11:34:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:43,915 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 11:34:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 11:34:43,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:43,916 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1474474909] [2020-04-18 11:34:43,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:43,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:43,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1474474909] [2020-04-18 11:34:43,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 11:34:43,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:43,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 11:34:43,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:34:43,918 INFO L87 Difference]: Start difference. First operand 893 states and 2554 transitions. Second operand 4 states. [2020-04-18 11:34:44,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,070 INFO L93 Difference]: Finished difference Result 1256 states and 3556 transitions. [2020-04-18 11:34:44,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 11:34:44,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-18 11:34:44,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:44,080 INFO L225 Difference]: With dead ends: 1256 [2020-04-18 11:34:44,080 INFO L226 Difference]: Without dead ends: 1236 [2020-04-18 11:34:44,081 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 11:34:44,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-04-18 11:34:44,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 971. [2020-04-18 11:34:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-04-18 11:34:44,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 2760 transitions. [2020-04-18 11:34:44,119 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 2760 transitions. Word has length 6 [2020-04-18 11:34:44,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:44,119 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 2760 transitions. [2020-04-18 11:34:44,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 11:34:44,119 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2760 transitions. [2020-04-18 11:34:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:44,121 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:44,121 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:44,122 INFO L427 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]=== [2020-04-18 11:34:44,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,122 INFO L82 PathProgramCache]: Analyzing trace with hash -113372245, now seen corresponding path program 1 times [2020-04-18 11:34:44,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:44,123 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [195021971] [2020-04-18 11:34:44,123 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,123 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 11:34:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:44,124 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,124 INFO L82 PathProgramCache]: Analyzing trace with hash -113372245, now seen corresponding path program 2 times [2020-04-18 11:34:44,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:44,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233171230] [2020-04-18 11:34:44,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:44,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233171230] [2020-04-18 11:34:44,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:44,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:34:44,212 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:44,213 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,214 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:44,214 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:44,221 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:44,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,222 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 11:34:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,228 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 11:34:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 11:34:44,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:44,229 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [195021971] [2020-04-18 11:34:44,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:44,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:34:44,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [195021971] [2020-04-18 11:34:44,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:44,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:44,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,230 INFO L87 Difference]: Start difference. First operand 971 states and 2760 transitions. Second operand 3 states. [2020-04-18 11:34:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,394 INFO L93 Difference]: Finished difference Result 1369 states and 3977 transitions. [2020-04-18 11:34:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:44,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 11:34:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:44,404 INFO L225 Difference]: With dead ends: 1369 [2020-04-18 11:34:44,404 INFO L226 Difference]: Without dead ends: 1365 [2020-04-18 11:34:44,404 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-04-18 11:34:44,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1011. [2020-04-18 11:34:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2020-04-18 11:34:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 2821 transitions. [2020-04-18 11:34:44,445 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 2821 transitions. Word has length 8 [2020-04-18 11:34:44,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:44,445 INFO L479 AbstractCegarLoop]: Abstraction has 1011 states and 2821 transitions. [2020-04-18 11:34:44,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2821 transitions. [2020-04-18 11:34:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:44,448 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:44,448 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:44,449 INFO L427 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]=== [2020-04-18 11:34:44,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,449 INFO L82 PathProgramCache]: Analyzing trace with hash -113794219, now seen corresponding path program 1 times [2020-04-18 11:34:44,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:44,450 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [427543274] [2020-04-18 11:34:44,450 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,450 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 11:34:44,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 11:34:44,451 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,452 INFO L82 PathProgramCache]: Analyzing trace with hash -113794219, now seen corresponding path program 2 times [2020-04-18 11:34:44,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:44,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401501300] [2020-04-18 11:34:44,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:44,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401501300] [2020-04-18 11:34:44,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:44,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 11:34:44,531 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:44,532 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,533 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 11:34:44,533 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:44,540 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:44,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,542 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 11:34:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,547 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 11:34:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 11:34:44,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:44,548 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [427543274] [2020-04-18 11:34:44,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:44,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 11:34:44,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [427543274] [2020-04-18 11:34:44,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:44,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:44,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,551 INFO L87 Difference]: Start difference. First operand 1011 states and 2821 transitions. Second operand 3 states. [2020-04-18 11:34:44,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,626 INFO L93 Difference]: Finished difference Result 1083 states and 2910 transitions. [2020-04-18 11:34:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:44,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 11:34:44,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:44,634 INFO L225 Difference]: With dead ends: 1083 [2020-04-18 11:34:44,634 INFO L226 Difference]: Without dead ends: 1053 [2020-04-18 11:34:44,634 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-04-18 11:34:44,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1053. [2020-04-18 11:34:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-04-18 11:34:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 2816 transitions. [2020-04-18 11:34:44,668 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 2816 transitions. Word has length 8 [2020-04-18 11:34:44,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:44,668 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 2816 transitions. [2020-04-18 11:34:44,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2816 transitions. [2020-04-18 11:34:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 11:34:44,671 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:44,672 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:44,672 INFO L427 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]=== [2020-04-18 11:34:44,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,672 INFO L82 PathProgramCache]: Analyzing trace with hash 780570883, now seen corresponding path program 1 times [2020-04-18 11:34:44,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:44,673 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [137642967] [2020-04-18 11:34:44,675 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,676 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 11:34:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-04-18 11:34:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 11:34:44,678 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:44,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,678 INFO L82 PathProgramCache]: Analyzing trace with hash 780570883, now seen corresponding path program 2 times [2020-04-18 11:34:44,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:44,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284239482] [2020-04-18 11:34:44,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 11:34:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 11:34:44,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284239482] [2020-04-18 11:34:44,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 11:34:44,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 11:34:44,741 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 11:34:44,742 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,743 INFO L259 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-04-18 11:34:44,743 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 11:34:44,749 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 11:34:44,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,750 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states. [2020-04-18 11:34:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,759 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2020-04-18 11:34:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-04-18 11:34:44,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 11:34:44,760 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [137642967] [2020-04-18 11:34:44,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 11:34:44,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 11:34:44,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [137642967] [2020-04-18 11:34:44,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 11:34:44,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 11:34:44,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 11:34:44,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,761 INFO L87 Difference]: Start difference. First operand 1053 states and 2816 transitions. Second operand 3 states. [2020-04-18 11:34:44,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 11:34:44,797 INFO L93 Difference]: Finished difference Result 457 states and 1092 transitions. [2020-04-18 11:34:44,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 11:34:44,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 11:34:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 11:34:44,800 INFO L225 Difference]: With dead ends: 457 [2020-04-18 11:34:44,800 INFO L226 Difference]: Without dead ends: 446 [2020-04-18 11:34:44,801 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 11:34:44,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-04-18 11:34:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2020-04-18 11:34:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-04-18 11:34:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 1066 transitions. [2020-04-18 11:34:44,814 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 1066 transitions. Word has length 9 [2020-04-18 11:34:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 11:34:44,814 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 1066 transitions. [2020-04-18 11:34:44,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 11:34:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1066 transitions. [2020-04-18 11:34:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:34:44,815 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 11:34:44,816 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 11:34:44,816 INFO L427 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]=== [2020-04-18 11:34:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1576902233, now seen corresponding path program 1 times [2020-04-18 11:34:44,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 11:34:44,817 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1861302752] [2020-04-18 11:34:44,817 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 11:34:44,818 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-04-18 11:34:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-04-18 11:34:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 11:34:44,818 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 11:34:44,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 11:34:44,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1576902233, now seen corresponding path program 2 times [2020-04-18 11:34:44,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 11:34:44,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283539187] [2020-04-18 11:34:44,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 11:34:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:34:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 11:34:44,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 11:34:44,895 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 11:34:44,895 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 11:34:44,895 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 11:34:44,896 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 11:34:44,900 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [947] [947] L1787-1-->L1770: Formula: (and (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet41_Out2043809657| 2147483648)) (= 1 ~pdev~0_Out2043809657) (= |ULTIMATE.start_ldv_assert_#in~expression_Out2043809657| ULTIMATE.start_ldv_assert_~expression_Out2043809657) (<= |ULTIMATE.start_module_init_#t~nondet41_Out2043809657| 2147483647) (= |ULTIMATE.start_ldv_assert_#in~expression_Out2043809657| 1) (= |#pthreadsMutex_Out2043809657| (store |#pthreadsMutex_In2043809657| |~#mutex~0.base_In2043809657| (store (select |#pthreadsMutex_In2043809657| |~#mutex~0.base_In2043809657|) |~#mutex~0.offset_In2043809657| 0)))) InVars {#pthreadsMutex=|#pthreadsMutex_In2043809657|, ~#mutex~0.base=|~#mutex~0.base_In2043809657|, ~#mutex~0.offset=|~#mutex~0.offset_In2043809657|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out2043809657|, ~#mutex~0.base=|~#mutex~0.base_In2043809657|, ~pdev~0=~pdev~0_Out2043809657, ~#mutex~0.offset=|~#mutex~0.offset_In2043809657|, ULTIMATE.start_module_init_#t~nondet42=|ULTIMATE.start_module_init_#t~nondet42_Out2043809657|, ULTIMATE.start_module_init_#t~nondet41=|ULTIMATE.start_module_init_#t~nondet41_Out2043809657|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out2043809657|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out2043809657} AuxVars[] AssignedVars[#pthreadsMutex, ~pdev~0, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-04-18 11:34:44,901 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [909] [909] L1720-4-->L1738-4: Formula: (let ((.cse0 (= |thread_usbThread1of1ForFork1_#t~ret40_Out-2131529294| |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2131529294|)) (.cse1 (= |thread_usbThread1of1ForFork1_#t~ret40_Out-2131529294| thread_usbThread1of1ForFork1_~probe_ret~0_Out-2131529294)) (.cse2 (= 0 thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2131529294))) (or (and .cse0 .cse1 .cse2 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2131529294| 0)) (and .cse0 .cse1 (not .cse2) (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2131529294| (- 1))))) InVars {thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2131529294} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2131529294|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_Out-2131529294|, thread_usbThread1of1ForFork1_#t~ret40=|thread_usbThread1of1ForFork1_#t~ret40_Out-2131529294|, thread_usbThread1of1ForFork1_~probe_ret~0=thread_usbThread1of1ForFork1_~probe_ret~0_Out-2131529294, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2131529294} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_~probe_ret~0] because there is no mapped edge [2020-04-18 11:34:44,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 11:34:44 BasicIcfg [2020-04-18 11:34:44,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 11:34:44,946 INFO L168 Benchmark]: Toolchain (without parser) took 18146.51 ms. Allocated memory was 144.7 MB in the beginning and 339.2 MB in the end (delta: 194.5 MB). Free memory was 97.7 MB in the beginning and 206.7 MB in the end (delta: -108.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,947 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-04-18 11:34:44,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1558.16 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 96.0 MB in the beginning and 164.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.41 ms. Allocated memory is still 234.4 MB. Free memory was 164.0 MB in the beginning and 160.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,954 INFO L168 Benchmark]: Boogie Preprocessor took 117.14 ms. Allocated memory is still 234.4 MB. Free memory was 160.4 MB in the beginning and 156.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,958 INFO L168 Benchmark]: RCFGBuilder took 1189.56 ms. Allocated memory is still 234.4 MB. Free memory was 156.9 MB in the beginning and 104.7 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,959 INFO L168 Benchmark]: TraceAbstraction took 15098.67 ms. Allocated memory was 234.4 MB in the beginning and 339.2 MB in the end (delta: 104.9 MB). Free memory was 104.7 MB in the beginning and 206.7 MB in the end (delta: -101.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 11:34:44,971 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1558.16 ms. Allocated memory was 144.7 MB in the beginning and 234.4 MB in the end (delta: 89.7 MB). Free memory was 96.0 MB in the beginning and 164.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 162.41 ms. Allocated memory is still 234.4 MB. Free memory was 164.0 MB in the beginning and 160.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.14 ms. Allocated memory is still 234.4 MB. Free memory was 160.4 MB in the beginning and 156.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1189.56 ms. Allocated memory is still 234.4 MB. Free memory was 156.9 MB in the beginning and 104.7 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15098.67 ms. Allocated memory was 234.4 MB in the beginning and 339.2 MB in the end (delta: 104.9 MB). Free memory was 104.7 MB in the beginning and 206.7 MB in the end (delta: -101.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.7s, 251 ProgramPointsBefore, 58 ProgramPointsAfterwards, 285 TransitionsBefore, 68 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 142 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 47 ConcurrentYvCompositions, 24 ChoiceCompositions, 6396 VarBasedMoverChecksPositive, 72 VarBasedMoverChecksNegative, 26 SemBasedMoverChecksPositive, 60 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 13875 CheckedPairsTotal, 338 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1, t2; [L1684] 0 pthread_mutex_t mutex; [L1685] 0 int pdev; [L1730] 0 int ldv_usb_state; [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={2:0}, pdev=1, t1={5:0}, t2={3:0}] [L1732] 1 ldv_usb_state = 0 [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={2:0}, pdev=1, t1={5:0}, t2={3:0}] [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={2:0}, pdev=1, t1={5:0}, t2={3:0}] [L1708] 1 return 0; [L1720] 1 error = ieee80211_register_hw() [L1739] COND FALSE 1 !(probe_ret!=0) [L1741] 1 ldv_usb_state = 1 [L1742] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={2:0}, pdev=7, t1={5:0}, t2={3:0}] [L1693] COND TRUE 2 1 [L1695] 2 case 1: [L1688] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={5:0}, t2={3:0}] [L1682] COND TRUE 1 !expression [L1682] 1 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={5:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.8s, HoareTripleCheckerStatistics: 368 SDtfs, 148 SDslu, 195 SDs, 0 SdLazy, 113 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1053occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 887 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...