/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 03:00:22,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 03:00:22,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 03:00:22,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 03:00:22,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 03:00:22,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 03:00:22,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 03:00:22,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 03:00:22,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 03:00:22,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 03:00:22,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 03:00:22,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 03:00:22,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 03:00:22,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 03:00:22,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 03:00:22,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 03:00:22,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 03:00:22,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 03:00:22,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 03:00:22,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 03:00:22,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 03:00:22,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 03:00:22,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 03:00:22,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 03:00:22,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 03:00:22,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 03:00:22,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 03:00:22,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 03:00:22,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 03:00:22,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 03:00:22,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 03:00:22,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 03:00:22,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 03:00:22,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 03:00:22,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 03:00:22,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 03:00:22,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 03:00:22,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 03:00:22,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 03:00:22,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 03:00:22,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 03:00:22,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-04-18 03:00:22,213 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 03:00:22,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 03:00:22,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 03:00:22,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 03:00:22,215 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 03:00:22,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 03:00:22,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 03:00:22,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 03:00:22,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 03:00:22,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 03:00:22,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 03:00:22,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 03:00:22,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 03:00:22,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 03:00:22,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 03:00:22,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 03:00:22,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 03:00:22,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 03:00:22,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 03:00:22,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 03:00:22,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 03:00:22,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 03:00:22,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 03:00:22,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 03:00:22,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 03:00:22,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 03:00:22,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 03:00:22,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 03:00:22,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 03:00:22,220 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 03:00:22,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 03:00:22,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 03:00:22,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 03:00:22,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 03:00:22,511 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 03:00:22,511 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 03:00:22,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13bb27946/304fb51c70d048b9a8ce0378c3e2e596/FLAG0e778b8cd [2020-04-18 03:00:23,259 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 03:00:23,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-18 03:00:23,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13bb27946/304fb51c70d048b9a8ce0378c3e2e596/FLAG0e778b8cd [2020-04-18 03:00:23,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13bb27946/304fb51c70d048b9a8ce0378c3e2e596 [2020-04-18 03:00:23,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 03:00:23,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 03:00:23,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 03:00:23,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 03:00:23,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 03:00:23,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:00:23" (1/1) ... [2020-04-18 03:00:23,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10143938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:23, skipping insertion in model container [2020-04-18 03:00:23,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:00:23" (1/1) ... [2020-04-18 03:00:23,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 03:00:23,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 03:00:24,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 03:00:24,518 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 03:00:24,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 03:00:24,958 INFO L208 MainTranslator]: Completed translation [2020-04-18 03:00:24,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24 WrapperNode [2020-04-18 03:00:24,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 03:00:24,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 03:00:24,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 03:00:24,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 03:00:24,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 03:00:25,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 03:00:25,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 03:00:25,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 03:00:25,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... [2020-04-18 03:00:25,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 03:00:25,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 03:00:25,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 03:00:25,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 03:00:25,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 03:00:25,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-18 03:00:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-18 03:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 03:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 03:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-18 03:00:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-18 03:00:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 03:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 03:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 03:00:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 03:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 03:00:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 03:00:25,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 03:00:25,199 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 03:00:26,084 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 03:00:26,085 INFO L295 CfgBuilder]: Removed 32 assume(true) statements. [2020-04-18 03:00:26,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:00:26 BoogieIcfgContainer [2020-04-18 03:00:26,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 03:00:26,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 03:00:26,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 03:00:26,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 03:00:26,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:00:23" (1/3) ... [2020-04-18 03:00:26,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e9e797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:00:26, skipping insertion in model container [2020-04-18 03:00:26,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:00:24" (2/3) ... [2020-04-18 03:00:26,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e9e797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:00:26, skipping insertion in model container [2020-04-18 03:00:26,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:00:26" (3/3) ... [2020-04-18 03:00:26,107 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-04-18 03:00:26,119 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 03:00:26,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 03:00:26,130 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-18 03:00:26,131 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 03:00:26,168 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,169 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,169 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,169 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,170 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,170 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,170 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,170 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,171 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,171 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,171 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,171 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,174 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,175 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,175 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,175 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,177 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,177 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,178 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,178 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,178 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,178 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,179 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,179 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,179 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,180 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,180 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,180 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,180 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,181 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,181 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,181 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,181 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,182 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,182 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,182 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,182 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,184 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,185 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,185 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,185 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,185 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,187 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,187 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,187 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,190 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,190 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,192 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,192 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,192 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,192 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,196 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,196 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,196 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,196 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,197 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,198 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,199 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,199 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,199 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,200 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,200 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,200 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,200 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,201 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,204 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,205 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,205 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,205 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,206 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,206 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,206 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,206 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,206 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,214 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,214 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,215 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,215 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,215 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,215 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,216 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,216 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,216 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,216 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,217 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,218 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,218 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,218 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,218 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,219 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,223 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,223 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,223 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,225 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,225 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 03:00:26,271 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-04-18 03:00:26,292 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 03:00:26,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 03:00:26,293 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 03:00:26,293 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 03:00:26,293 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 03:00:26,293 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 03:00:26,293 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 03:00:26,294 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 03:00:26,327 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions, 580 flow [2020-04-18 03:00:26,329 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 03:00:26,542 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 03:00:26,543 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 03:00:26,562 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-18 03:00:26,583 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-18 03:00:26,658 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-18 03:00:26,659 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 03:00:26,662 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-18 03:00:26,683 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2020-04-18 03:00:26,684 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 03:00:34,768 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-04-18 03:00:35,426 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-04-18 03:00:36,623 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-04-18 03:00:36,744 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-18 03:00:37,370 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-18 03:00:37,529 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 03:00:37,701 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-04-18 03:00:37,868 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-18 03:00:38,195 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-04-18 03:00:38,337 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 03:00:38,352 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13685 [2020-04-18 03:00:38,353 INFO L214 etLargeBlockEncoding]: Total number of compositions: 309 [2020-04-18 03:00:38,356 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 68 transitions, 178 flow [2020-04-18 03:00:38,405 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 827 states. [2020-04-18 03:00:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states. [2020-04-18 03:00:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 03:00:38,413 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:38,414 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 03:00:38,415 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:38,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash 949, now seen corresponding path program 1 times [2020-04-18 03:00:38,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:38,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078829645] [2020-04-18 03:00:38,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:38,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078829645] [2020-04-18 03:00:38,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:38,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 03:00:38,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548453195] [2020-04-18 03:00:38,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 03:00:38,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:38,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 03:00:38,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 03:00:38,668 INFO L87 Difference]: Start difference. First operand 827 states. Second operand 2 states. [2020-04-18 03:00:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:38,717 INFO L93 Difference]: Finished difference Result 825 states and 2480 transitions. [2020-04-18 03:00:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 03:00:38,719 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 03:00:38,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:38,749 INFO L225 Difference]: With dead ends: 825 [2020-04-18 03:00:38,749 INFO L226 Difference]: Without dead ends: 796 [2020-04-18 03:00:38,751 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 03:00:38,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-04-18 03:00:38,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2020-04-18 03:00:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-04-18 03:00:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 2422 transitions. [2020-04-18 03:00:38,893 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 2422 transitions. Word has length 1 [2020-04-18 03:00:38,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:38,893 INFO L479 AbstractCegarLoop]: Abstraction has 796 states and 2422 transitions. [2020-04-18 03:00:38,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 03:00:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2422 transitions. [2020-04-18 03:00:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 03:00:38,894 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:38,894 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 03:00:38,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:38,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:38,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2017944740, now seen corresponding path program 1 times [2020-04-18 03:00:38,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:38,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876269430] [2020-04-18 03:00:38,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:39,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876269430] [2020-04-18 03:00:39,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 03:00:39,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416608377] [2020-04-18 03:00:39,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 03:00:39,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 03:00:39,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 03:00:39,161 INFO L87 Difference]: Start difference. First operand 796 states and 2422 transitions. Second operand 4 states. [2020-04-18 03:00:39,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:39,335 INFO L93 Difference]: Finished difference Result 1618 states and 4961 transitions. [2020-04-18 03:00:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 03:00:39,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-18 03:00:39,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:39,349 INFO L225 Difference]: With dead ends: 1618 [2020-04-18 03:00:39,350 INFO L226 Difference]: Without dead ends: 1594 [2020-04-18 03:00:39,351 INFO L678 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 [2020-04-18 03:00:39,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1594 states. [2020-04-18 03:00:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1594 to 910. [2020-04-18 03:00:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-04-18 03:00:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2733 transitions. [2020-04-18 03:00:39,396 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2733 transitions. Word has length 6 [2020-04-18 03:00:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:39,398 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 2733 transitions. [2020-04-18 03:00:39,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 03:00:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2733 transitions. [2020-04-18 03:00:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 03:00:39,399 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:39,399 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:00:39,400 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:39,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:39,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2064392671, now seen corresponding path program 1 times [2020-04-18 03:00:39,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:39,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801007161] [2020-04-18 03:00:39,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:39,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801007161] [2020-04-18 03:00:39,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 03:00:39,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023694489] [2020-04-18 03:00:39,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:00:39,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:00:39,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:00:39,478 INFO L87 Difference]: Start difference. First operand 910 states and 2733 transitions. Second operand 3 states. [2020-04-18 03:00:39,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:39,551 INFO L93 Difference]: Finished difference Result 1213 states and 3720 transitions. [2020-04-18 03:00:39,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:00:39,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 03:00:39,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:39,561 INFO L225 Difference]: With dead ends: 1213 [2020-04-18 03:00:39,561 INFO L226 Difference]: Without dead ends: 1177 [2020-04-18 03:00:39,561 INFO L678 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 [2020-04-18 03:00:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-04-18 03:00:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 882. [2020-04-18 03:00:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-04-18 03:00:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 2595 transitions. [2020-04-18 03:00:39,596 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 2595 transitions. Word has length 8 [2020-04-18 03:00:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:39,596 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 2595 transitions. [2020-04-18 03:00:39,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:00:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 2595 transitions. [2020-04-18 03:00:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-18 03:00:39,598 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:39,598 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:00:39,598 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:39,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:39,599 INFO L82 PathProgramCache]: Analyzing trace with hash 439172559, now seen corresponding path program 1 times [2020-04-18 03:00:39,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:39,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658340074] [2020-04-18 03:00:39,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:39,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658340074] [2020-04-18 03:00:39,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 03:00:39,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210333780] [2020-04-18 03:00:39,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:00:39,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:00:39,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:00:39,659 INFO L87 Difference]: Start difference. First operand 882 states and 2595 transitions. Second operand 3 states. [2020-04-18 03:00:39,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:39,689 INFO L93 Difference]: Finished difference Result 379 states and 973 transitions. [2020-04-18 03:00:39,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:00:39,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-18 03:00:39,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:39,693 INFO L225 Difference]: With dead ends: 379 [2020-04-18 03:00:39,693 INFO L226 Difference]: Without dead ends: 366 [2020-04-18 03:00:39,693 INFO L678 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 [2020-04-18 03:00:39,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-04-18 03:00:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2020-04-18 03:00:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-04-18 03:00:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 941 transitions. [2020-04-18 03:00:39,704 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 941 transitions. Word has length 9 [2020-04-18 03:00:39,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:39,705 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 941 transitions. [2020-04-18 03:00:39,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:00:39,705 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 941 transitions. [2020-04-18 03:00:39,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 03:00:39,706 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:39,707 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:00:39,707 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:39,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:39,707 INFO L82 PathProgramCache]: Analyzing trace with hash 717367589, now seen corresponding path program 1 times [2020-04-18 03:00:39,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:39,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965749569] [2020-04-18 03:00:39,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:39,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965749569] [2020-04-18 03:00:39,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 03:00:39,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853233903] [2020-04-18 03:00:39,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:00:39,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:00:39,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:00:39,771 INFO L87 Difference]: Start difference. First operand 366 states and 941 transitions. Second operand 3 states. [2020-04-18 03:00:39,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:39,793 INFO L93 Difference]: Finished difference Result 203 states and 518 transitions. [2020-04-18 03:00:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:00:39,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-18 03:00:39,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:39,797 INFO L225 Difference]: With dead ends: 203 [2020-04-18 03:00:39,797 INFO L226 Difference]: Without dead ends: 203 [2020-04-18 03:00:39,798 INFO L678 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 [2020-04-18 03:00:39,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-04-18 03:00:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 182. [2020-04-18 03:00:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-04-18 03:00:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 475 transitions. [2020-04-18 03:00:39,804 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 475 transitions. Word has length 10 [2020-04-18 03:00:39,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:39,804 INFO L479 AbstractCegarLoop]: Abstraction has 182 states and 475 transitions. [2020-04-18 03:00:39,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:00:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 475 transitions. [2020-04-18 03:00:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 03:00:39,806 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:39,806 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:00:39,806 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:39,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:39,806 INFO L82 PathProgramCache]: Analyzing trace with hash 762194488, now seen corresponding path program 1 times [2020-04-18 03:00:39,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:39,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955205725] [2020-04-18 03:00:39,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 03:00:39,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955205725] [2020-04-18 03:00:39,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 03:00:39,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164927399] [2020-04-18 03:00:39,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:00:39,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:00:39,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:00:39,866 INFO L87 Difference]: Start difference. First operand 182 states and 475 transitions. Second operand 3 states. [2020-04-18 03:00:39,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:39,891 INFO L93 Difference]: Finished difference Result 176 states and 464 transitions. [2020-04-18 03:00:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:00:39,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-18 03:00:39,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:39,893 INFO L225 Difference]: With dead ends: 176 [2020-04-18 03:00:39,893 INFO L226 Difference]: Without dead ends: 142 [2020-04-18 03:00:39,893 INFO L678 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 [2020-04-18 03:00:39,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-04-18 03:00:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-04-18 03:00:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-04-18 03:00:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 394 transitions. [2020-04-18 03:00:39,898 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 394 transitions. Word has length 13 [2020-04-18 03:00:39,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:39,898 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 394 transitions. [2020-04-18 03:00:39,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:00:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 394 transitions. [2020-04-18 03:00:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 03:00:39,902 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 03:00:39,902 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 03:00:39,902 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 03:00:39,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 03:00:39,902 INFO L82 PathProgramCache]: Analyzing trace with hash 315891433, now seen corresponding path program 1 times [2020-04-18 03:00:39,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 03:00:39,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613852665] [2020-04-18 03:00:39,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 03:00:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 03:00:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-18 03:00:39,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613852665] [2020-04-18 03:00:39,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 03:00:39,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 03:00:39,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269627024] [2020-04-18 03:00:39,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 03:00:39,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 03:00:39,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 03:00:39,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 03:00:39,985 INFO L87 Difference]: Start difference. First operand 142 states and 394 transitions. Second operand 3 states. [2020-04-18 03:00:40,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 03:00:40,005 INFO L93 Difference]: Finished difference Result 237 states and 680 transitions. [2020-04-18 03:00:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 03:00:40,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-18 03:00:40,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 03:00:40,006 INFO L225 Difference]: With dead ends: 237 [2020-04-18 03:00:40,006 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 03:00:40,007 INFO L678 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 [2020-04-18 03:00:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 03:00:40,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 03:00:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 03:00:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 03:00:40,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-04-18 03:00:40,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 03:00:40,008 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 03:00:40,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 03:00:40,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 03:00:40,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 03:00:40,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:00:40 BasicIcfg [2020-04-18 03:00:40,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 03:00:40,015 INFO L168 Benchmark]: Toolchain (without parser) took 16537.53 ms. Allocated memory was 143.7 MB in the beginning and 337.6 MB in the end (delta: 194.0 MB). Free memory was 97.8 MB in the beginning and 152.5 MB in the end (delta: -54.7 MB). Peak memory consumption was 139.3 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,016 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1465.11 ms. Allocated memory was 143.7 MB in the beginning and 233.3 MB in the end (delta: 89.7 MB). Free memory was 95.9 MB in the beginning and 166.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.08 ms. Allocated memory is still 233.3 MB. Free memory was 166.0 MB in the beginning and 161.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,018 INFO L168 Benchmark]: Boogie Preprocessor took 49.17 ms. Allocated memory is still 233.3 MB. Free memory was 161.6 MB in the beginning and 158.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,019 INFO L168 Benchmark]: RCFGBuilder took 982.85 ms. Allocated memory is still 233.3 MB. Free memory was 158.6 MB in the beginning and 108.9 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,020 INFO L168 Benchmark]: TraceAbstraction took 13914.78 ms. Allocated memory was 233.3 MB in the beginning and 337.6 MB in the end (delta: 104.3 MB). Free memory was 107.5 MB in the beginning and 152.5 MB in the end (delta: -45.1 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2020-04-18 03:00:40,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1465.11 ms. Allocated memory was 143.7 MB in the beginning and 233.3 MB in the end (delta: 89.7 MB). Free memory was 95.9 MB in the beginning and 166.0 MB in the end (delta: -70.1 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 103.08 ms. Allocated memory is still 233.3 MB. Free memory was 166.0 MB in the beginning and 161.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.17 ms. Allocated memory is still 233.3 MB. Free memory was 161.6 MB in the beginning and 158.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 982.85 ms. Allocated memory is still 233.3 MB. Free memory was 158.6 MB in the beginning and 108.9 MB in the end (delta: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13914.78 ms. Allocated memory was 233.3 MB in the beginning and 337.6 MB in the end (delta: 104.3 MB). Free memory was 107.5 MB in the beginning and 152.5 MB in the end (delta: -45.1 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.0s, 237 ProgramPointsBefore, 56 ProgramPointsAfterwards, 269 TransitionsBefore, 68 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 117 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 36 ConcurrentYvCompositions, 20 ChoiceCompositions, 5593 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 13685 CheckedPairsTotal, 309 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, HoareTripleCheckerStatistics: 403 SDtfs, 175 SDslu, 227 SDs, 0 SdLazy, 95 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=910occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1000 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 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 correct! Received shutdown request...