/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 13:18:26,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 13:18:26,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 13:18:26,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 13:18:26,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 13:18:26,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 13:18:26,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 13:18:26,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 13:18:26,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 13:18:26,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 13:18:26,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 13:18:26,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 13:18:26,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 13:18:26,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 13:18:26,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 13:18:26,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 13:18:26,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 13:18:26,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 13:18:26,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 13:18:26,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 13:18:26,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 13:18:26,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 13:18:26,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 13:18:26,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 13:18:26,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 13:18:26,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 13:18:26,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 13:18:26,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 13:18:26,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 13:18:26,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 13:18:26,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 13:18:26,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 13:18:26,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 13:18:26,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 13:18:26,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 13:18:26,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 13:18:26,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 13:18:26,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 13:18:26,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 13:18:26,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 13:18:26,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 13:18:26,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 13:18:26,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 13:18:26,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 13:18:26,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 13:18:26,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 13:18:26,312 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 13:18:26,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 13:18:26,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 13:18:26,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 13:18:26,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 13:18:26,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 13:18:26,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 13:18:26,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 13:18:26,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 13:18:26,314 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 13:18:26,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 13:18:26,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 13:18:26,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 13:18:26,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 13:18:26,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 13:18:26,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 13:18:26,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 13:18:26,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:18:26,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 13:18:26,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 13:18:26,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 13:18:26,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 13:18:26,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 13:18:26,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 13:18:26,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 13:18:26,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 13:18:26,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 13:18:26,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 13:18:26,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 13:18:26,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 13:18:26,661 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 13:18:26,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-09 13:18:26,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35bef594/2300f10b603d45e0bd4a26a7104c5111/FLAGcd5e05369 [2020-10-09 13:18:27,254 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 13:18:27,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-10-09 13:18:27,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35bef594/2300f10b603d45e0bd4a26a7104c5111/FLAGcd5e05369 [2020-10-09 13:18:27,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35bef594/2300f10b603d45e0bd4a26a7104c5111 [2020-10-09 13:18:27,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 13:18:27,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 13:18:27,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 13:18:27,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 13:18:27,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 13:18:27,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:18:27" (1/1) ... [2020-10-09 13:18:27,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ac2f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:27, skipping insertion in model container [2020-10-09 13:18:27,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:18:27" (1/1) ... [2020-10-09 13:18:27,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 13:18:27,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 13:18:28,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:18:28,473 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 13:18:28,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:18:28,986 INFO L208 MainTranslator]: Completed translation [2020-10-09 13:18:28,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28 WrapperNode [2020-10-09 13:18:28,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 13:18:28,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 13:18:28,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 13:18:28,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 13:18:28,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 13:18:29,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 13:18:29,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 13:18:29,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 13:18:29,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... [2020-10-09 13:18:29,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 13:18:29,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 13:18:29,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 13:18:29,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 13:18:29,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:18:29,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-10-09 13:18:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-10-09 13:18:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 13:18:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 13:18:29,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-10-09 13:18:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-10-09 13:18:29,205 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 13:18:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-09 13:18:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 13:18:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 13:18:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 13:18:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 13:18:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 13:18:29,210 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 13:18:29,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 13:18:29,872 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-10-09 13:18:29,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:18:29 BoogieIcfgContainer [2020-10-09 13:18:29,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 13:18:29,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 13:18:29,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 13:18:29,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 13:18:29,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 01:18:27" (1/3) ... [2020-10-09 13:18:29,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b408c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:18:29, skipping insertion in model container [2020-10-09 13:18:29,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:18:28" (2/3) ... [2020-10-09 13:18:29,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b408c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:18:29, skipping insertion in model container [2020-10-09 13:18:29,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:18:29" (3/3) ... [2020-10-09 13:18:29,884 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-10-09 13:18:29,896 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 13:18:29,897 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 13:18:29,905 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-10-09 13:18:29,906 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 13:18:29,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,942 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,942 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,942 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,943 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,943 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,943 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,943 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,944 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,944 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,944 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,944 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,945 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,945 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,945 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,945 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,945 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,946 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,946 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,946 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,946 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,946 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,947 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,947 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,947 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,947 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,948 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,950 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,950 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,950 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,951 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,951 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,951 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,952 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,952 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,952 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,952 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,953 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,953 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,953 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,953 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,953 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,954 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,954 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,954 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,954 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,954 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,955 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,955 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,955 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,955 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,955 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,956 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,956 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,956 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,956 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,956 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,957 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,957 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,957 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,958 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,959 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,959 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,959 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,959 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,960 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,960 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,960 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,961 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,961 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,962 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,962 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,962 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,962 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,962 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,963 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,963 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,963 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,963 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,964 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,964 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,964 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,964 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,965 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,965 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,965 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,965 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,965 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,966 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,966 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,966 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,966 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,967 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,967 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,967 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,967 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,967 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,968 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,968 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,968 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,968 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,968 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,969 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,969 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,969 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,969 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,970 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,970 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,970 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,970 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,970 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,971 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,971 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,971 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,971 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,975 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,975 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,975 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,976 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,976 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,976 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,976 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,976 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,977 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,988 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,988 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,989 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,989 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,990 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,990 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,990 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,990 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,990 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,991 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,992 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,992 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,994 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,995 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,995 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,995 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,995 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,995 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,996 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,996 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:29,996 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:18:30,030 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-10-09 13:18:30,053 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:18:30,053 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:18:30,054 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:18:30,054 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:18:30,054 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:18:30,054 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:18:30,054 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:18:30,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:18:30,076 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:18:30,079 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions, 612 flow [2020-10-09 13:18:30,082 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 285 transitions, 612 flow [2020-10-09 13:18:30,084 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-10-09 13:18:30,229 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-10-09 13:18:30,229 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-09 13:18:30,242 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-10-09 13:18:30,264 INFO L117 LiptonReduction]: Number of co-enabled transitions 10574 [2020-10-09 13:18:30,495 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:30,529 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:30,534 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:30,556 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:30,558 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:30,558 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:84, output treesize:86 [2020-10-09 13:18:30,574 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:30,596 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:30,597 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:30,598 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:90 [2020-10-09 13:18:36,289 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:36,311 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:36,315 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:36,338 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:36,339 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:36,340 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:88, output treesize:90 [2020-10-09 13:18:36,351 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:36,371 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-09 13:18:36,372 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-09 13:18:36,372 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:94 [2020-10-09 13:18:39,193 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-09 13:18:40,416 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-10-09 13:18:41,036 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-09 13:18:41,149 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-09 13:18:41,447 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-10-09 13:18:41,602 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-09 13:18:41,625 INFO L132 LiptonReduction]: Checked pairs total: 19934 [2020-10-09 13:18:41,625 INFO L134 LiptonReduction]: Total number of compositions: 362 [2020-10-09 13:18:41,633 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 68 transitions, 178 flow [2020-10-09 13:18:41,703 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 870 states. [2020-10-09 13:18:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states. [2020-10-09 13:18:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-09 13:18:41,714 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:41,715 INFO L421 BasicCegarLoop]: trace histogram [1] [2020-10-09 13:18:41,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:41,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:41,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1010, now seen corresponding path program 1 times [2020-10-09 13:18:41,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:41,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890021235] [2020-10-09 13:18:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:42,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890021235] [2020-10-09 13:18:42,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:42,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-09 13:18:42,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815228959] [2020-10-09 13:18:42,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 13:18:42,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 13:18:42,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 13:18:42,046 INFO L87 Difference]: Start difference. First operand 870 states. Second operand 2 states. [2020-10-09 13:18:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:42,103 INFO L93 Difference]: Finished difference Result 868 states and 2462 transitions. [2020-10-09 13:18:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 13:18:42,104 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-09 13:18:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:42,131 INFO L225 Difference]: With dead ends: 868 [2020-10-09 13:18:42,132 INFO L226 Difference]: Without dead ends: 845 [2020-10-09 13:18:42,133 INFO L673 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 [2020-10-09 13:18:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-10-09 13:18:42,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2020-10-09 13:18:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-10-09 13:18:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 2416 transitions. [2020-10-09 13:18:42,255 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 2416 transitions. Word has length 1 [2020-10-09 13:18:42,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:42,256 INFO L481 AbstractCegarLoop]: Abstraction has 845 states and 2416 transitions. [2020-10-09 13:18:42,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 13:18:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2416 transitions. [2020-10-09 13:18:42,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-09 13:18:42,257 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:42,257 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-09 13:18:42,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 13:18:42,258 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:42,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:42,258 INFO L82 PathProgramCache]: Analyzing trace with hash -415740166, now seen corresponding path program 1 times [2020-10-09 13:18:42,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:42,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664969429] [2020-10-09 13:18:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:42,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664969429] [2020-10-09 13:18:42,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:42,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:18:42,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021851236] [2020-10-09 13:18:42,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:18:42,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:18:42,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:42,410 INFO L87 Difference]: Start difference. First operand 845 states and 2416 transitions. Second operand 3 states. [2020-10-09 13:18:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:42,464 INFO L93 Difference]: Finished difference Result 1161 states and 3206 transitions. [2020-10-09 13:18:42,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:18:42,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-09 13:18:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:42,477 INFO L225 Difference]: With dead ends: 1161 [2020-10-09 13:18:42,477 INFO L226 Difference]: Without dead ends: 1161 [2020-10-09 13:18:42,478 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:42,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-10-09 13:18:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 893. [2020-10-09 13:18:42,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-09 13:18:42,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 2554 transitions. [2020-10-09 13:18:42,528 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 2554 transitions. Word has length 6 [2020-10-09 13:18:42,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:42,529 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 2554 transitions. [2020-10-09 13:18:42,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:18:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2554 transitions. [2020-10-09 13:18:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-09 13:18:42,530 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:42,530 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-09 13:18:42,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 13:18:42,531 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:42,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:42,531 INFO L82 PathProgramCache]: Analyzing trace with hash -415770475, now seen corresponding path program 1 times [2020-10-09 13:18:42,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:42,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648819410] [2020-10-09 13:18:42,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:42,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648819410] [2020-10-09 13:18:42,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:42,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:18:42,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440640885] [2020-10-09 13:18:42,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:18:42,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:42,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:18:42,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:18:42,623 INFO L87 Difference]: Start difference. First operand 893 states and 2554 transitions. Second operand 4 states. [2020-10-09 13:18:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:42,722 INFO L93 Difference]: Finished difference Result 1256 states and 3556 transitions. [2020-10-09 13:18:42,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 13:18:42,722 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-09 13:18:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:42,731 INFO L225 Difference]: With dead ends: 1256 [2020-10-09 13:18:42,731 INFO L226 Difference]: Without dead ends: 1236 [2020-10-09 13:18:42,732 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:18:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-10-09 13:18:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 971. [2020-10-09 13:18:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-10-09 13:18:42,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 2760 transitions. [2020-10-09 13:18:42,769 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 2760 transitions. Word has length 6 [2020-10-09 13:18:42,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:42,769 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 2760 transitions. [2020-10-09 13:18:42,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:18:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2760 transitions. [2020-10-09 13:18:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 13:18:42,770 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:42,771 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:18:42,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 13:18:42,771 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:42,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:42,771 INFO L82 PathProgramCache]: Analyzing trace with hash -113372245, now seen corresponding path program 1 times [2020-10-09 13:18:42,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:42,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180739535] [2020-10-09 13:18:42,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:42,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180739535] [2020-10-09 13:18:42,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:42,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:18:42,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039200402] [2020-10-09 13:18:42,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:18:42,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:42,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:18:42,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:42,832 INFO L87 Difference]: Start difference. First operand 971 states and 2760 transitions. Second operand 3 states. [2020-10-09 13:18:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:42,882 INFO L93 Difference]: Finished difference Result 1369 states and 3977 transitions. [2020-10-09 13:18:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:18:42,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-09 13:18:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:42,892 INFO L225 Difference]: With dead ends: 1369 [2020-10-09 13:18:42,892 INFO L226 Difference]: Without dead ends: 1365 [2020-10-09 13:18:42,893 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:42,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-09 13:18:42,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1011. [2020-10-09 13:18:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2020-10-09 13:18:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 2821 transitions. [2020-10-09 13:18:42,930 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 2821 transitions. Word has length 8 [2020-10-09 13:18:42,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:42,931 INFO L481 AbstractCegarLoop]: Abstraction has 1011 states and 2821 transitions. [2020-10-09 13:18:42,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:18:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2821 transitions. [2020-10-09 13:18:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 13:18:42,933 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:42,933 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:18:42,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 13:18:42,933 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -113794219, now seen corresponding path program 1 times [2020-10-09 13:18:42,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:42,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353314047] [2020-10-09 13:18:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:43,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353314047] [2020-10-09 13:18:43,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:43,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:18:43,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613379491] [2020-10-09 13:18:43,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:18:43,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:43,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:18:43,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:43,002 INFO L87 Difference]: Start difference. First operand 1011 states and 2821 transitions. Second operand 3 states. [2020-10-09 13:18:43,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:43,058 INFO L93 Difference]: Finished difference Result 1083 states and 2910 transitions. [2020-10-09 13:18:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:18:43,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-09 13:18:43,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:43,066 INFO L225 Difference]: With dead ends: 1083 [2020-10-09 13:18:43,067 INFO L226 Difference]: Without dead ends: 1053 [2020-10-09 13:18:43,067 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:43,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-10-09 13:18:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1053. [2020-10-09 13:18:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-10-09 13:18:43,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 2816 transitions. [2020-10-09 13:18:43,143 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 2816 transitions. Word has length 8 [2020-10-09 13:18:43,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:43,144 INFO L481 AbstractCegarLoop]: Abstraction has 1053 states and 2816 transitions. [2020-10-09 13:18:43,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:18:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2816 transitions. [2020-10-09 13:18:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 13:18:43,149 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:43,149 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:18:43,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 13:18:43,150 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:43,150 INFO L82 PathProgramCache]: Analyzing trace with hash 780570883, now seen corresponding path program 1 times [2020-10-09 13:18:43,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:43,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285043995] [2020-10-09 13:18:43,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:18:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:18:43,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285043995] [2020-10-09 13:18:43,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:18:43,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:18:43,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263193293] [2020-10-09 13:18:43,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:18:43,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:18:43,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:18:43,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:43,236 INFO L87 Difference]: Start difference. First operand 1053 states and 2816 transitions. Second operand 3 states. [2020-10-09 13:18:43,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:18:43,271 INFO L93 Difference]: Finished difference Result 457 states and 1092 transitions. [2020-10-09 13:18:43,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:18:43,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-09 13:18:43,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:18:43,275 INFO L225 Difference]: With dead ends: 457 [2020-10-09 13:18:43,275 INFO L226 Difference]: Without dead ends: 446 [2020-10-09 13:18:43,275 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:18:43,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-10-09 13:18:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2020-10-09 13:18:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-09 13:18:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 1066 transitions. [2020-10-09 13:18:43,291 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 1066 transitions. Word has length 9 [2020-10-09 13:18:43,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:18:43,291 INFO L481 AbstractCegarLoop]: Abstraction has 446 states and 1066 transitions. [2020-10-09 13:18:43,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:18:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1066 transitions. [2020-10-09 13:18:43,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 13:18:43,295 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:18:43,295 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:18:43,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 13:18:43,296 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:18:43,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:18:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1576902233, now seen corresponding path program 1 times [2020-10-09 13:18:43,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:18:43,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833861404] [2020-10-09 13:18:43,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:18:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:18:43,336 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:18:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:18:43,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:18:43,407 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 13:18:43,408 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 13:18:43,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 13:18:43,408 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 13:18:43,409 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 13:18:43,414 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [947] [947] L1787-1-->L1770: Formula: (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out922608512| ULTIMATE.start_ldv_assert_~expression_Out922608512) (= |#pthreadsMutex_Out922608512| (store |#pthreadsMutex_In922608512| |~#mutex~0.base_In922608512| (store (select |#pthreadsMutex_In922608512| |~#mutex~0.base_In922608512|) |~#mutex~0.offset_In922608512| 0))) (= ~pdev~0_Out922608512 1) (<= |ULTIMATE.start_module_init_#t~nondet41_Out922608512| 2147483647) (= |ULTIMATE.start_ldv_assert_#in~expression_Out922608512| 1) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet41_Out922608512| 2147483648))) InVars {#pthreadsMutex=|#pthreadsMutex_In922608512|, ~#mutex~0.base=|~#mutex~0.base_In922608512|, ~#mutex~0.offset=|~#mutex~0.offset_In922608512|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out922608512|, ~#mutex~0.base=|~#mutex~0.base_In922608512|, ~pdev~0=~pdev~0_Out922608512, ~#mutex~0.offset=|~#mutex~0.offset_In922608512|, ULTIMATE.start_module_init_#t~nondet42=|ULTIMATE.start_module_init_#t~nondet42_Out922608512|, ULTIMATE.start_module_init_#t~nondet41=|ULTIMATE.start_module_init_#t~nondet41_Out922608512|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out922608512|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out922608512} 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 [2020-10-09 13:18:43,416 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [909] [909] L1720-4-->L1738-4: Formula: (let ((.cse0 (= |thread_usbThread1of1ForFork1_#t~ret40_Out660353767| |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out660353767|)) (.cse1 (= |thread_usbThread1of1ForFork1_#t~ret40_Out660353767| thread_usbThread1of1ForFork1_~probe_ret~0_Out660353767)) (.cse2 (= thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In660353767 0))) (or (and .cse0 .cse1 .cse2 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out660353767| 0)) (and .cse0 .cse1 (not .cse2) (= (- 1) |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out660353767|)))) InVars {thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In660353767} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out660353767|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_Out660353767|, thread_usbThread1of1ForFork1_#t~ret40=|thread_usbThread1of1ForFork1_#t~ret40_Out660353767|, thread_usbThread1of1ForFork1_~probe_ret~0=thread_usbThread1of1ForFork1_~probe_ret~0_Out660353767, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In660353767} 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 [2020-10-09 13:18:43,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 01:18:43 BasicIcfg [2020-10-09 13:18:43,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 13:18:43,476 INFO L168 Benchmark]: Toolchain (without parser) took 15979.37 ms. Allocated memory was 254.3 MB in the beginning and 513.8 MB in the end (delta: 259.5 MB). Free memory was 204.9 MB in the beginning and 423.8 MB in the end (delta: -218.9 MB). Peak memory consumption was 40.7 MB. Max. memory is 14.2 GB. [2020-10-09 13:18:43,477 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 254.3 MB. Free memory is still 228.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 13:18:43,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1495.15 ms. Allocated memory was 254.3 MB in the beginning and 361.8 MB in the end (delta: 107.5 MB). Free memory was 204.9 MB in the beginning and 321.3 MB in the end (delta: -116.4 MB). Peak memory consumption was 107.8 MB. Max. memory is 14.2 GB. [2020-10-09 13:18:43,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.92 ms. Allocated memory is still 361.8 MB. Free memory was 321.3 MB in the beginning and 317.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-09 13:18:43,480 INFO L168 Benchmark]: Boogie Preprocessor took 61.02 ms. Allocated memory is still 361.8 MB. Free memory was 317.9 MB in the beginning and 314.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-09 13:18:43,480 INFO L168 Benchmark]: RCFGBuilder took 738.81 ms. Allocated memory is still 361.8 MB. Free memory was 314.5 MB in the beginning and 264.4 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 14.2 GB. [2020-10-09 13:18:43,484 INFO L168 Benchmark]: TraceAbstraction took 13592.02 ms. Allocated memory was 361.8 MB in the beginning and 513.8 MB in the end (delta: 152.0 MB). Free memory was 261.0 MB in the beginning and 423.8 MB in the end (delta: -162.8 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 13:18:43,496 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 254.3 MB. Free memory is still 228.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1495.15 ms. Allocated memory was 254.3 MB in the beginning and 361.8 MB in the end (delta: 107.5 MB). Free memory was 204.9 MB in the beginning and 321.3 MB in the end (delta: -116.4 MB). Peak memory consumption was 107.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 86.92 ms. Allocated memory is still 361.8 MB. Free memory was 321.3 MB in the beginning and 317.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 61.02 ms. Allocated memory is still 361.8 MB. Free memory was 317.9 MB in the beginning and 314.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 738.81 ms. Allocated memory is still 361.8 MB. Free memory was 314.5 MB in the beginning and 264.4 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 13592.02 ms. Allocated memory was 361.8 MB in the beginning and 513.8 MB in the end (delta: 152.0 MB). Free memory was 261.0 MB in the beginning and 423.8 MB in the end (delta: -162.8 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8206 VarBasedMoverChecksPositive, 88 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 65 SemBasedMoverChecksNegative, 2 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 4.7s, 318 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.5s, 251 PlacesBefore, 58 PlacesAfterwards, 285 TransitionsBefore, 68 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 7 FixpointIterations, 142 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 47 ConcurrentYvCompositions, 24 ChoiceCompositions, 362 TotalNumberOfCompositions, 19934 MoverChecksTotal - 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={3:0}, t2={5:0}] [L1732] 1 ldv_usb_state = 0 [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={2:0}, pdev=1, t1={3:0}, t2={5:0}] [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={3:0}, t2={5:0}] [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={3:0}, t2={5:0}] [L1693] COND TRUE 2 1 [L1695] 2 case 1: [L1688] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={3:0}, t2={5:0}] [L1682] COND TRUE 1 !expression [L1682] 1 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={3:0}, t2={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.3s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: 368 SDtfs, 148 SDslu, 195 SDs, 0 SdLazy, 113 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 887 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...