./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b15092c76d03e75a71025b449ec40bba665d3bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 18:35:26,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 18:35:26,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 18:35:26,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 18:35:26,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 18:35:26,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 18:35:26,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 18:35:26,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 18:35:26,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 18:35:26,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 18:35:26,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 18:35:26,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 18:35:26,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 18:35:26,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 18:35:26,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 18:35:26,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 18:35:26,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 18:35:26,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 18:35:26,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 18:35:26,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 18:35:26,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 18:35:26,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 18:35:26,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 18:35:26,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 18:35:26,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 18:35:26,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 18:35:26,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 18:35:26,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 18:35:26,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 18:35:26,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 18:35:26,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 18:35:26,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 18:35:26,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 18:35:26,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 18:35:26,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 18:35:26,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 18:35:26,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 18:35:26,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 18:35:26,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 18:35:26,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 18:35:26,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 18:35:26,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 18:35:26,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 18:35:26,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 18:35:26,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 18:35:26,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 18:35:26,508 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 18:35:26,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 18:35:26,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 18:35:26,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 18:35:26,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 18:35:26,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 18:35:26,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 18:35:26,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 18:35:26,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 18:35:26,511 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 18:35:26,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 18:35:26,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 18:35:26,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 18:35:26,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 18:35:26,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 18:35:26,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 18:35:26,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 18:35:26,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 18:35:26,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 18:35:26,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 18:35:26,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 18:35:26,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 18:35:26,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 18:35:26,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 18:35:26,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 18:35:26,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b15092c76d03e75a71025b449ec40bba665d3bb [2019-11-28 18:35:26,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 18:35:26,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 18:35:26,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 18:35:26,833 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 18:35:26,833 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 18:35:26,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2019-11-28 18:35:26,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2e4dc60/697dc07e0f0f402cb6a5c1887dc3777c/FLAGf43b54731 [2019-11-28 18:35:27,544 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 18:35:27,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2019-11-28 18:35:27,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2e4dc60/697dc07e0f0f402cb6a5c1887dc3777c/FLAGf43b54731 [2019-11-28 18:35:27,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2e4dc60/697dc07e0f0f402cb6a5c1887dc3777c [2019-11-28 18:35:27,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 18:35:27,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 18:35:27,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 18:35:27,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 18:35:27,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 18:35:27,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2a7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:27, skipping insertion in model container [2019-11-28 18:35:27,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:35:27" (1/1) ... [2019-11-28 18:35:27,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 18:35:27,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 18:35:28,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:35:28,687 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 18:35:28,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 18:35:29,190 INFO L208 MainTranslator]: Completed translation [2019-11-28 18:35:29,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29 WrapperNode [2019-11-28 18:35:29,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 18:35:29,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 18:35:29,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 18:35:29,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 18:35:29,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 18:35:29,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 18:35:29,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 18:35:29,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 18:35:29,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (1/1) ... [2019-11-28 18:35:29,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 18:35:29,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 18:35:29,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 18:35:29,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 18:35:29,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (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 [2019-11-28 18:35:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2019-11-28 18:35:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2019-11-28 18:35:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 18:35:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 18:35:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2019-11-28 18:35:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2019-11-28 18:35:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 18:35:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 18:35:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 18:35:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 18:35:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 18:35:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 18:35:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 18:35:29,441 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 18:35:30,335 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 18:35:30,335 INFO L287 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-28 18:35:30,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:30 BoogieIcfgContainer [2019-11-28 18:35:30,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 18:35:30,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 18:35:30,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 18:35:30,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 18:35:30,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:35:27" (1/3) ... [2019-11-28 18:35:30,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad2907c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:35:30, skipping insertion in model container [2019-11-28 18:35:30,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:35:29" (2/3) ... [2019-11-28 18:35:30,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad2907c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:35:30, skipping insertion in model container [2019-11-28 18:35:30,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:30" (3/3) ... [2019-11-28 18:35:30,346 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2019-11-28 18:35:30,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-28 18:35:30,358 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 18:35:30,366 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-28 18:35:30,367 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-11-28 18:35:30,402 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,403 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,403 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,403 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,404 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,404 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,404 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,405 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,405 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,405 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,406 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,406 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,406 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,406 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,407 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,407 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,408 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,408 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,408 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,409 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,409 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,409 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,409 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,410 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,410 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,411 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,411 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,413 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,414 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,414 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,414 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,415 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,415 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,415 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,416 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,416 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,416 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,417 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,417 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,417 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,417 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,418 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,418 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,418 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,419 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,419 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,419 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,420 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,420 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,420 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,421 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,421 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,421 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,421 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,422 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,422 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,422 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,423 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,423 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,423 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,424 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,424 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,424 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,424 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,425 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,425 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,425 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,426 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,426 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,426 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,427 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,427 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,427 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,428 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,429 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,429 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,429 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,430 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,430 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,430 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,431 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,431 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,431 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,432 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,432 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,433 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,433 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,433 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,434 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,434 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,434 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,434 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,435 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,435 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,435 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,436 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,436 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,436 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,437 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,437 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,437 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,438 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,438 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,439 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,439 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,440 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,440 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,440 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,440 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,441 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,441 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,441 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,442 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,442 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,443 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,443 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,443 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-28 18:35:30,496 INFO L249 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-11-28 18:35:30,518 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 18:35:30,519 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 18:35:30,519 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 18:35:30,519 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 18:35:30,519 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 18:35:30,519 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 18:35:30,520 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 18:35:30,520 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 18:35:30,543 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions [2019-11-28 18:35:30,545 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions [2019-11-28 18:35:30,775 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [614] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][17] and Marking [192#L1781-1true, 3#L1707-2true, 20#thread_ath9kENTRYtrue, 248#(not thread_ath9kThread1of1ForFork0_inUse), 251#thread_usbThread1of1ForFork1_inUse, 253#thread_ath9kThread1of1ForFork0_inUse] [2019-11-28 18:35:30,775 INFO L378 tUnfolder$Statistics]: new Event has 162 ancestors and is cut-off event [2019-11-28 18:35:30,776 INFO L381 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2019-11-28 18:35:30,781 INFO L134 PetriNetUnfolder]: 69/511 cut-off events. [2019-11-28 18:35:30,781 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:35:30,809 INFO L76 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1630 event pairs. 57/473 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2019-11-28 18:35:30,845 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions [2019-11-28 18:35:30,934 INFO L377 tUnfolder$Statistics]: inserting again Event for Transition [614] L1707-1-->thread_ath9kENTRY: Formula: (and (= |v_thread_ath9kThread1of1ForFork0_#in~arg.base_5| 0) (= v_thread_ath9kThread1of1ForFork0_thidvar0_4 0) v_thread_ath9kThread1of1ForFork0_inUse_2 (= |v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5| 0)) InVars {} OutVars{thread_ath9kThread1of1ForFork0_thidvar0=v_thread_ath9kThread1of1ForFork0_thidvar0_4, thread_ath9kThread1of1ForFork0_#in~arg.offset=|v_thread_ath9kThread1of1ForFork0_#in~arg.offset_5|, thread_ath9kThread1of1ForFork0_inUse=v_thread_ath9kThread1of1ForFork0_inUse_2, thread_ath9kThread1of1ForFork0_#in~arg.base=|v_thread_ath9kThread1of1ForFork0_#in~arg.base_5|} AuxVars[] AssignedVars[thread_ath9kThread1of1ForFork0_thidvar0, thread_ath9kThread1of1ForFork0_#in~arg.offset, thread_ath9kThread1of1ForFork0_inUse, thread_ath9kThread1of1ForFork0_#in~arg.base][17] and Marking [192#L1781-1true, 3#L1707-2true, 20#thread_ath9kENTRYtrue, 248#(not thread_ath9kThread1of1ForFork0_inUse), 251#thread_usbThread1of1ForFork1_inUse, 253#thread_ath9kThread1of1ForFork0_inUse] [2019-11-28 18:35:30,935 INFO L378 tUnfolder$Statistics]: new Event has 162 ancestors and is cut-off event [2019-11-28 18:35:30,935 INFO L381 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2019-11-28 18:35:30,939 INFO L134 PetriNetUnfolder]: 69/511 cut-off events. [2019-11-28 18:35:30,940 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-11-28 18:35:30,950 INFO L76 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1630 event pairs. 57/473 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2019-11-28 18:35:30,980 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10574 [2019-11-28 18:35:30,982 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-11-28 18:35:34,037 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 14 [2019-11-28 18:35:37,509 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-28 18:35:39,351 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-11-28 18:35:39,472 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2019-11-28 18:35:40,447 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-11-28 18:35:41,165 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 18:35:41,461 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-11-28 18:35:41,708 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-11-28 18:35:42,476 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-11-28 18:35:42,626 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-11-28 18:35:43,026 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2019-11-28 18:35:43,196 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 18:35:43,209 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14048 [2019-11-28 18:35:43,209 INFO L214 etLargeBlockEncoding]: Total number of compositions: 335 [2019-11-28 18:35:43,217 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 69 transitions [2019-11-28 18:35:43,298 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 960 states. [2019-11-28 18:35:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states. [2019-11-28 18:35:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-11-28 18:35:43,313 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:43,314 INFO L410 BasicCegarLoop]: trace histogram [1] [2019-11-28 18:35:43,314 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:43,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1011, now seen corresponding path program 1 times [2019-11-28 18:35:43,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:43,332 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605414623] [2019-11-28 18:35:43,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:43,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605414623] [2019-11-28 18:35:43,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:43,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-11-28 18:35:43,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126548749] [2019-11-28 18:35:43,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 18:35:43,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:43,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 18:35:43,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 18:35:43,617 INFO L87 Difference]: Start difference. First operand 960 states. Second operand 2 states. [2019-11-28 18:35:43,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:43,675 INFO L93 Difference]: Finished difference Result 958 states and 2720 transitions. [2019-11-28 18:35:43,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 18:35:43,682 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-11-28 18:35:43,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:43,718 INFO L225 Difference]: With dead ends: 958 [2019-11-28 18:35:43,718 INFO L226 Difference]: Without dead ends: 929 [2019-11-28 18:35:43,720 INFO L630 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 [2019-11-28 18:35:43,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-11-28 18:35:43,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929. [2019-11-28 18:35:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2019-11-28 18:35:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 2662 transitions. [2019-11-28 18:35:43,854 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 2662 transitions. Word has length 1 [2019-11-28 18:35:43,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:43,855 INFO L462 AbstractCegarLoop]: Abstraction has 929 states and 2662 transitions. [2019-11-28 18:35:43,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 18:35:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2662 transitions. [2019-11-28 18:35:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 18:35:43,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:43,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 18:35:43,858 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:43,858 INFO L82 PathProgramCache]: Analyzing trace with hash -473063374, now seen corresponding path program 1 times [2019-11-28 18:35:43,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:43,859 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630350971] [2019-11-28 18:35:43,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:44,094 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630350971] [2019-11-28 18:35:44,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:44,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:44,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384273339] [2019-11-28 18:35:44,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 18:35:44,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:44,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 18:35:44,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 18:35:44,099 INFO L87 Difference]: Start difference. First operand 929 states and 2662 transitions. Second operand 4 states. [2019-11-28 18:35:44,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:44,281 INFO L93 Difference]: Finished difference Result 1348 states and 3835 transitions. [2019-11-28 18:35:44,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 18:35:44,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-28 18:35:44,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:44,293 INFO L225 Difference]: With dead ends: 1348 [2019-11-28 18:35:44,293 INFO L226 Difference]: Without dead ends: 1325 [2019-11-28 18:35:44,294 INFO L630 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 [2019-11-28 18:35:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2019-11-28 18:35:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1019. [2019-11-28 18:35:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2019-11-28 18:35:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 2904 transitions. [2019-11-28 18:35:44,339 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 2904 transitions. Word has length 6 [2019-11-28 18:35:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:44,340 INFO L462 AbstractCegarLoop]: Abstraction has 1019 states and 2904 transitions. [2019-11-28 18:35:44,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 18:35:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2904 transitions. [2019-11-28 18:35:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-28 18:35:44,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:44,342 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-28 18:35:44,342 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:44,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:44,343 INFO L82 PathProgramCache]: Analyzing trace with hash -473033101, now seen corresponding path program 1 times [2019-11-28 18:35:44,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:44,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810048259] [2019-11-28 18:35:44,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:44,419 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810048259] [2019-11-28 18:35:44,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:44,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:44,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399177187] [2019-11-28 18:35:44,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:44,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:44,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:44,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:44,421 INFO L87 Difference]: Start difference. First operand 1019 states and 2904 transitions. Second operand 3 states. [2019-11-28 18:35:44,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:44,457 INFO L93 Difference]: Finished difference Result 1457 states and 4024 transitions. [2019-11-28 18:35:44,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:44,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-28 18:35:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:44,469 INFO L225 Difference]: With dead ends: 1457 [2019-11-28 18:35:44,470 INFO L226 Difference]: Without dead ends: 1451 [2019-11-28 18:35:44,471 INFO L630 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 [2019-11-28 18:35:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2019-11-28 18:35:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1067. [2019-11-28 18:35:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1067 states. [2019-11-28 18:35:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 3036 transitions. [2019-11-28 18:35:44,519 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 3036 transitions. Word has length 6 [2019-11-28 18:35:44,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:44,522 INFO L462 AbstractCegarLoop]: Abstraction has 1067 states and 3036 transitions. [2019-11-28 18:35:44,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 3036 transitions. [2019-11-28 18:35:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:35:44,524 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:44,524 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:44,525 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:44,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:44,525 INFO L82 PathProgramCache]: Analyzing trace with hash 662723744, now seen corresponding path program 1 times [2019-11-28 18:35:44,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:44,526 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647654724] [2019-11-28 18:35:44,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:44,614 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647654724] [2019-11-28 18:35:44,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:44,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:35:44,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863931322] [2019-11-28 18:35:44,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:44,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:44,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:44,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:44,616 INFO L87 Difference]: Start difference. First operand 1067 states and 3036 transitions. Second operand 3 states. [2019-11-28 18:35:44,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:44,691 INFO L93 Difference]: Finished difference Result 1511 states and 4398 transitions. [2019-11-28 18:35:44,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:44,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:35:44,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:44,703 INFO L225 Difference]: With dead ends: 1511 [2019-11-28 18:35:44,704 INFO L226 Difference]: Without dead ends: 1505 [2019-11-28 18:35:44,704 INFO L630 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 [2019-11-28 18:35:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2019-11-28 18:35:44,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1111. [2019-11-28 18:35:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1111 states. [2019-11-28 18:35:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 3103 transitions. [2019-11-28 18:35:44,748 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 3103 transitions. Word has length 8 [2019-11-28 18:35:44,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:44,748 INFO L462 AbstractCegarLoop]: Abstraction has 1111 states and 3103 transitions. [2019-11-28 18:35:44,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 3103 transitions. [2019-11-28 18:35:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 18:35:44,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:44,750 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:44,751 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:44,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:44,751 INFO L82 PathProgramCache]: Analyzing trace with hash 662305458, now seen corresponding path program 1 times [2019-11-28 18:35:44,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:44,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102410403] [2019-11-28 18:35:44,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:44,807 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102410403] [2019-11-28 18:35:44,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:44,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 18:35:44,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469970155] [2019-11-28 18:35:44,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:44,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:44,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:44,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:44,809 INFO L87 Difference]: Start difference. First operand 1111 states and 3103 transitions. Second operand 3 states. [2019-11-28 18:35:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:44,874 INFO L93 Difference]: Finished difference Result 1199 states and 3225 transitions. [2019-11-28 18:35:44,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:44,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-28 18:35:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:44,883 INFO L225 Difference]: With dead ends: 1199 [2019-11-28 18:35:44,883 INFO L226 Difference]: Without dead ends: 1158 [2019-11-28 18:35:44,884 INFO L630 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 [2019-11-28 18:35:44,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2019-11-28 18:35:44,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2019-11-28 18:35:44,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2019-11-28 18:35:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 3099 transitions. [2019-11-28 18:35:44,922 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 3099 transitions. Word has length 8 [2019-11-28 18:35:44,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:44,922 INFO L462 AbstractCegarLoop]: Abstraction has 1158 states and 3099 transitions. [2019-11-28 18:35:44,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 3099 transitions. [2019-11-28 18:35:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 18:35:44,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:44,925 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:44,925 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:44,926 INFO L82 PathProgramCache]: Analyzing trace with hash -930253359, now seen corresponding path program 1 times [2019-11-28 18:35:44,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:44,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660069898] [2019-11-28 18:35:44,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 18:35:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 18:35:44,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660069898] [2019-11-28 18:35:44,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 18:35:44,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 18:35:44,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678768247] [2019-11-28 18:35:44,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 18:35:44,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 18:35:44,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 18:35:44,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 18:35:44,985 INFO L87 Difference]: Start difference. First operand 1158 states and 3099 transitions. Second operand 3 states. [2019-11-28 18:35:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 18:35:45,019 INFO L93 Difference]: Finished difference Result 526 states and 1268 transitions. [2019-11-28 18:35:45,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 18:35:45,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-28 18:35:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 18:35:45,024 INFO L225 Difference]: With dead ends: 526 [2019-11-28 18:35:45,025 INFO L226 Difference]: Without dead ends: 511 [2019-11-28 18:35:45,025 INFO L630 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 [2019-11-28 18:35:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-11-28 18:35:45,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2019-11-28 18:35:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2019-11-28 18:35:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 1233 transitions. [2019-11-28 18:35:45,042 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 1233 transitions. Word has length 9 [2019-11-28 18:35:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 18:35:45,042 INFO L462 AbstractCegarLoop]: Abstraction has 511 states and 1233 transitions. [2019-11-28 18:35:45,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 18:35:45,043 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1233 transitions. [2019-11-28 18:35:45,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 18:35:45,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 18:35:45,045 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 18:35:45,045 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 18:35:45,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 18:35:45,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1222009817, now seen corresponding path program 1 times [2019-11-28 18:35:45,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 18:35:45,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752108406] [2019-11-28 18:35:45,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 18:35:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 18:35:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 18:35:45,168 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 18:35:45,169 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 18:35:45,173 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [982] [982] ULTIMATE.startENTRY-->L1771-1: Formula: (let ((.cse4 (store |v_#valid_200| 0 0))) (let ((.cse2 (store .cse4 |v_~#t1~0.base_18| 1))) (let ((.cse1 (select |v_#memory_int_64| |v_~#t1~0.base_18|)) (.cse0 (store .cse2 |v_~#t2~0.base_30| 1)) (.cse3 (select |v_#memory_int_64| |v_~#mutex~0.base_73|))) (and (= |v_#valid_198| (store .cse0 |v_~#mutex~0.base_73| 1)) (= |v_~#t1~0.offset_18| 0) (= (store |v_#memory_int_64| |v_~#t1~0.base_18| (store .cse1 |v_~#t1~0.offset_18| 1)) |v_#memory_int_63|) (= |v_#NULL.offset_8| 0) (= 0 |v_~#mutex~0.offset_73|) (= (select .cse1 |v_~#t1~0.offset_18|) 0) (= (select (select |v_#memory_int_64| |v_~#t2~0.base_30|) |v_~#t2~0.offset_30|) 0) (= 0 (select .cse2 |v_~#t2~0.base_30|)) (= 0 (select .cse0 |v_~#mutex~0.base_73|)) (= |v_#pthreadsMutex_119| (store |v_#pthreadsMutex_120| |v_~#mutex~0.base_73| (store (select |v_#pthreadsMutex_120| |v_~#mutex~0.base_73|) |v_~#mutex~0.offset_73| 0))) (= |v_#length_127| (store (store (store |v_#length_129| |v_~#t1~0.base_18| 4) |v_~#t2~0.base_30| 4) |v_~#mutex~0.base_73| 24)) (= 0 (select .cse3 |v_~#mutex~0.offset_73|)) (= (store |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.base_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.base_35|) (= (store |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.offset_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.offset_35|) (< 0 |v_#StackHeapBarrier_60|) (< |v_#StackHeapBarrier_60| |v_~#t1~0.base_18|) (= |v_~#t2~0.offset_30| 0) (< |v_#StackHeapBarrier_60| |v_~#mutex~0.base_73|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (= 0 |v_#NULL.base_8|) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 12))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 16))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 4))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 8))) (= v_ULTIMATE.start_ldv_assert_~expression_83 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (< |v_#StackHeapBarrier_60| |v_~#t2~0.base_30|) (= 0 (select .cse4 |v_~#t1~0.base_18|)) (= 1 v_~pdev~0_308) (= 0 v_~ldv_usb_state~0_139))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_120|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_36|, #valid=|v_#valid_200|, #memory_int=|v_#memory_int_64|, #length=|v_#length_129|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_36|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_26|, #pthreadsMutex=|v_#pthreadsMutex_119|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_35|, ~#mutex~0.base=|v_~#mutex~0.base_73|, ~#mutex~0.offset=|v_~#mutex~0.offset_73|, #NULL.offset=|v_#NULL.offset_8|, ~#t1~0.offset=|v_~#t1~0.offset_18|, ULTIMATE.start_module_init_#t~nondet42=|v_ULTIMATE.start_module_init_#t~nondet42_19|, ULTIMATE.start_main_#t~ret45=|v_ULTIMATE.start_main_#t~ret45_50|, ULTIMATE.start_module_init_#t~nondet41=|v_ULTIMATE.start_module_init_#t~nondet41_42|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_65|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_83, ~ldv_usb_state~0=v_~ldv_usb_state~0_139, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, ~#t1~0.base=|v_~#t1~0.base_18|, ~pdev~0=v_~pdev~0_308, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_35|, #valid=|v_#valid_198|, ~#t2~0.offset=|v_~#t2~0.offset_30|, #memory_int=|v_#memory_int_63|, #length=|v_#length_127|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_35|, ~#t2~0.base=|v_~#t2~0.base_30|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_main_#t~ret45, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, ~ldv_usb_state~0, #NULL.base, ~#t1~0.base, ~pdev~0, ULTIMATE.start_main_#res, #valid, ~#t2~0.offset, #memory_int, #length, #memory_$Pointer$.offset, ~#t2~0.base] because there is no mapped edge [2019-11-28 18:35:45,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] thread_usbENTRY-->L1734-2: Formula: (and (= |v_thread_usbThread1of1ForFork1_#in~arg.base_4| v_thread_usbThread1of1ForFork1_~arg.base_2) (= 0 v_~ldv_usb_state~0_34) (= v_thread_usbThread1of1ForFork1_~arg.offset_2 |v_thread_usbThread1of1ForFork1_#in~arg.offset_4|)) InVars {thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|} OutVars{thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_11, thread_usbThread1of1ForFork1_~arg.offset=v_thread_usbThread1of1ForFork1_~arg.offset_2, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|, ~ldv_usb_state~0=v_~ldv_usb_state~0_34, thread_usbThread1of1ForFork1_~arg.base=v_thread_usbThread1of1ForFork1_~arg.base_2} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_~arg.offset, ~ldv_usb_state~0, thread_usbThread1of1ForFork1_~arg.base] because there is no mapped edge [2019-11-28 18:35:45,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [961] [961] L1734-2-->L1707-1: Formula: (and (= (store |v_#memory_int_53| |v_~#t2~0.base_22| (store (select |v_#memory_int_53| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| 0)) |v_#memory_int_52|) (= (store |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.offset_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|))) |v_#memory_$Pointer$.offset_29|) (= |v_#memory_$Pointer$.base_29| (store |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.base_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|)))) (= 0 |v_thread_usbThread1of1ForFork1_#t~nondet38_67|) (= 0 v_~ldv_usb_state~0_112) |v_thread_usbThread1of1ForFork1_#t~switch39_79|) InVars {#memory_$Pointer$.base=|v_#memory_$Pointer$.base_30|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_53|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_67|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_30|, ~#t2~0.base=|v_~#t2~0.base_22|, ~ldv_usb_state~0=v_~ldv_usb_state~0_112} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_27|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_29|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_67|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_24, ~ldv_usb_state~0=v_~ldv_usb_state~0_112, thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_16|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_52|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_19|, thread_usbThread1of1ForFork1_#t~switch39=|v_thread_usbThread1of1ForFork1_#t~switch39_79|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_11|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_29|, ~#t2~0.base=|v_~#t2~0.base_22|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_ath_ahb_probe_#res, #memory_$Pointer$.base, #memory_int, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_#t~switch39, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0, #memory_$Pointer$.offset] because there is no mapped edge [2019-11-28 18:35:45,175 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [929] [929] L1707-2-->L1738-4: Formula: (and (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| 0) (= 0 |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| v_thread_usbThread1of1ForFork1_~probe_ret~0_31) (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21)) InVars {} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_23|, thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_28|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_9|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_31, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0] because there is no mapped edge [2019-11-28 18:35:45,175 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [820] [820] L1738-4-->L1743: Formula: (and (= 0 v_thread_usbThread1of1ForFork1_~probe_ret~0_14) (= 7 v_~pdev~0_95) (= 1 v_~ldv_usb_state~0_36)) InVars {thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14} OutVars{thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_11|, ~pdev~0=v_~pdev~0_95, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14, ~ldv_usb_state~0=v_~ldv_usb_state~0_36} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~ret40, ~pdev~0, ~ldv_usb_state~0] because there is no mapped edge [2019-11-28 18:35:45,176 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [979] [979] L1693-2-->L1693-2: Formula: (let ((.cse0 (= 1 |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|))) (or (and (<= 0 (+ |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790| 2147483648)) (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-722147790 thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-722147790| |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|) (not (= 2 |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|)) (not .cse0) (= |#pthreadsMutex_In-722147790| |#pthreadsMutex_Out-722147790|) (= |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-722147790| |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-722147790|) (<= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790| 2147483647) (= ~pdev~0_In-722147790 ~pdev~0_Out-722147790)) (let ((.cse1 (select |#pthreadsMutex_In-722147790| |~#mutex~0.base_In-722147790|))) (and (= ~pdev~0_Out-722147790 6) (= (store |#pthreadsMutex_In-722147790| |~#mutex~0.base_In-722147790| (store .cse1 |~#mutex~0.offset_In-722147790| 0)) |#pthreadsMutex_Out-722147790|) (= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|) (= (select .cse1 |~#mutex~0.offset_In-722147790|) 0) .cse0 (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790| thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-722147790|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-722147790|, ~#mutex~0.base=|~#mutex~0.base_In-722147790|, ~pdev~0=~pdev~0_In-722147790, ~#mutex~0.offset=|~#mutex~0.offset_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-722147790|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-722147790} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-722147790|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-722147790|, ~#mutex~0.base=|~#mutex~0.base_In-722147790|, ~pdev~0=~pdev~0_Out-722147790, ~#mutex~0.offset=|~#mutex~0.offset_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|, thread_ath9kThread1of1ForFork0_#t~switch32=|thread_ath9kThread1of1ForFork0_#t~switch32_Out-722147790|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_Out-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30, ~pdev~0, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork0_#t~switch32, thread_ath9kThread1of1ForFork0_#t~nondet31, thread_ath9kThread1of1ForFork0_ldv_assert_~expression] because there is no mapped edge [2019-11-28 18:35:45,176 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [887] [887] L1743-->thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57) (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| (ite (= 7 v_~pdev~0_165) 1 0)) (= 0 v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57)) InVars {~pdev~0=v_~pdev~0_165} OutVars{thread_usbThread1of1ForFork1_ldv_assert_~expression=v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57, ~pdev~0=v_~pdev~0_165, thread_usbThread1of1ForFork1_ldv_assert_#in~expression=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ldv_assert_~expression, thread_usbThread1of1ForFork1_ldv_assert_#in~expression] because there is no mapped edge [2019-11-28 18:35:45,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:35:45 BasicIcfg [2019-11-28 18:35:45,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 18:35:45,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 18:35:45,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 18:35:45,203 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 18:35:45,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:35:30" (3/4) ... [2019-11-28 18:35:45,207 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 18:35:45,208 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [982] [982] ULTIMATE.startENTRY-->L1771-1: Formula: (let ((.cse4 (store |v_#valid_200| 0 0))) (let ((.cse2 (store .cse4 |v_~#t1~0.base_18| 1))) (let ((.cse1 (select |v_#memory_int_64| |v_~#t1~0.base_18|)) (.cse0 (store .cse2 |v_~#t2~0.base_30| 1)) (.cse3 (select |v_#memory_int_64| |v_~#mutex~0.base_73|))) (and (= |v_#valid_198| (store .cse0 |v_~#mutex~0.base_73| 1)) (= |v_~#t1~0.offset_18| 0) (= (store |v_#memory_int_64| |v_~#t1~0.base_18| (store .cse1 |v_~#t1~0.offset_18| 1)) |v_#memory_int_63|) (= |v_#NULL.offset_8| 0) (= 0 |v_~#mutex~0.offset_73|) (= (select .cse1 |v_~#t1~0.offset_18|) 0) (= (select (select |v_#memory_int_64| |v_~#t2~0.base_30|) |v_~#t2~0.offset_30|) 0) (= 0 (select .cse2 |v_~#t2~0.base_30|)) (= 0 (select .cse0 |v_~#mutex~0.base_73|)) (= |v_#pthreadsMutex_119| (store |v_#pthreadsMutex_120| |v_~#mutex~0.base_73| (store (select |v_#pthreadsMutex_120| |v_~#mutex~0.base_73|) |v_~#mutex~0.offset_73| 0))) (= |v_#length_127| (store (store (store |v_#length_129| |v_~#t1~0.base_18| 4) |v_~#t2~0.base_30| 4) |v_~#mutex~0.base_73| 24)) (= 0 (select .cse3 |v_~#mutex~0.offset_73|)) (= (store |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.base_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.base_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.base_35|) (= (store |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18| (store (select |v_#memory_$Pointer$.offset_36| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18| (select (select |v_#memory_$Pointer$.offset_35| |v_~#t1~0.base_18|) |v_~#t1~0.offset_18|))) |v_#memory_$Pointer$.offset_35|) (< 0 |v_#StackHeapBarrier_60|) (< |v_#StackHeapBarrier_60| |v_~#t1~0.base_18|) (= |v_~#t2~0.offset_30| 0) (< |v_#StackHeapBarrier_60| |v_~#mutex~0.base_73|) (= 1 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (= 0 |v_#NULL.base_8|) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 12))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 16))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 4))) (= 0 (select .cse3 (+ |v_~#mutex~0.offset_73| 8))) (= v_ULTIMATE.start_ldv_assert_~expression_83 |v_ULTIMATE.start_ldv_assert_#in~expression_65|) (< |v_#StackHeapBarrier_60| |v_~#t2~0.base_30|) (= 0 (select .cse4 |v_~#t1~0.base_18|)) (= 1 v_~pdev~0_308) (= 0 v_~ldv_usb_state~0_139))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_120|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_36|, #valid=|v_#valid_200|, #memory_int=|v_#memory_int_64|, #length=|v_#length_129|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_36|} OutVars{ULTIMATE.start_module_init_#res=|v_ULTIMATE.start_module_init_#res_26|, #pthreadsMutex=|v_#pthreadsMutex_119|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_35|, ~#mutex~0.base=|v_~#mutex~0.base_73|, ~#mutex~0.offset=|v_~#mutex~0.offset_73|, #NULL.offset=|v_#NULL.offset_8|, ~#t1~0.offset=|v_~#t1~0.offset_18|, ULTIMATE.start_module_init_#t~nondet42=|v_ULTIMATE.start_module_init_#t~nondet42_19|, ULTIMATE.start_main_#t~ret45=|v_ULTIMATE.start_main_#t~ret45_50|, ULTIMATE.start_module_init_#t~nondet41=|v_ULTIMATE.start_module_init_#t~nondet41_42|, ULTIMATE.start_ldv_assert_#in~expression=|v_ULTIMATE.start_ldv_assert_#in~expression_65|, ULTIMATE.start_ldv_assert_~expression=v_ULTIMATE.start_ldv_assert_~expression_83, ~ldv_usb_state~0=v_~ldv_usb_state~0_139, #NULL.base=|v_#NULL.base_8|, #StackHeapBarrier=|v_#StackHeapBarrier_60|, ~#t1~0.base=|v_~#t1~0.base_18|, ~pdev~0=v_~pdev~0_308, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_35|, #valid=|v_#valid_198|, ~#t2~0.offset=|v_~#t2~0.offset_30|, #memory_int=|v_#memory_int_63|, #length=|v_#length_127|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_35|, ~#t2~0.base=|v_~#t2~0.base_30|} AuxVars[] AssignedVars[ULTIMATE.start_module_init_#res, #pthreadsMutex, #memory_$Pointer$.base, ~#mutex~0.base, ~#mutex~0.offset, #NULL.offset, ~#t1~0.offset, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_main_#t~ret45, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression, ~ldv_usb_state~0, #NULL.base, ~#t1~0.base, ~pdev~0, ULTIMATE.start_main_#res, #valid, ~#t2~0.offset, #memory_int, #length, #memory_$Pointer$.offset, ~#t2~0.base] because there is no mapped edge [2019-11-28 18:35:45,208 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [814] [814] thread_usbENTRY-->L1734-2: Formula: (and (= |v_thread_usbThread1of1ForFork1_#in~arg.base_4| v_thread_usbThread1of1ForFork1_~arg.base_2) (= 0 v_~ldv_usb_state~0_34) (= v_thread_usbThread1of1ForFork1_~arg.offset_2 |v_thread_usbThread1of1ForFork1_#in~arg.offset_4|)) InVars {thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|} OutVars{thread_usbThread1of1ForFork1_#in~arg.offset=|v_thread_usbThread1of1ForFork1_#in~arg.offset_4|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_11, thread_usbThread1of1ForFork1_~arg.offset=v_thread_usbThread1of1ForFork1_~arg.offset_2, thread_usbThread1of1ForFork1_#in~arg.base=|v_thread_usbThread1of1ForFork1_#in~arg.base_4|, ~ldv_usb_state~0=v_~ldv_usb_state~0_34, thread_usbThread1of1ForFork1_~arg.base=v_thread_usbThread1of1ForFork1_~arg.base_2} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_~arg.offset, ~ldv_usb_state~0, thread_usbThread1of1ForFork1_~arg.base] because there is no mapped edge [2019-11-28 18:35:45,208 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [961] [961] L1734-2-->L1707-1: Formula: (and (= (store |v_#memory_int_53| |v_~#t2~0.base_22| (store (select |v_#memory_int_53| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| 0)) |v_#memory_int_52|) (= (store |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.offset_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.offset_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|))) |v_#memory_$Pointer$.offset_29|) (= |v_#memory_$Pointer$.base_29| (store |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22| (store (select |v_#memory_$Pointer$.base_30| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22| (select (select |v_#memory_$Pointer$.base_29| |v_~#t2~0.base_22|) |v_~#t2~0.offset_22|)))) (= 0 |v_thread_usbThread1of1ForFork1_#t~nondet38_67|) (= 0 v_~ldv_usb_state~0_112) |v_thread_usbThread1of1ForFork1_#t~switch39_79|) InVars {#memory_$Pointer$.base=|v_#memory_$Pointer$.base_30|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_53|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_67|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_30|, ~#t2~0.base=|v_~#t2~0.base_22|, ~ldv_usb_state~0=v_~ldv_usb_state~0_112} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_27|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_29|, thread_usbThread1of1ForFork1_#t~nondet38=|v_thread_usbThread1of1ForFork1_#t~nondet38_67|, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_24, ~ldv_usb_state~0=v_~ldv_usb_state~0_112, thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_16|, ~#t2~0.offset=|v_~#t2~0.offset_22|, #memory_int=|v_#memory_int_52|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_19|, thread_usbThread1of1ForFork1_#t~switch39=|v_thread_usbThread1of1ForFork1_#t~switch39_79|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_11|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_29|, ~#t2~0.base=|v_~#t2~0.base_22|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_ath_ahb_probe_#res, #memory_$Pointer$.base, #memory_int, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_#t~switch39, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0, #memory_$Pointer$.offset] because there is no mapped edge [2019-11-28 18:35:45,209 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [929] [929] L1707-2-->L1738-4: Formula: (and (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| 0) (= 0 |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| |v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|) (= |v_thread_usbThread1of1ForFork1_#t~ret40_28| v_thread_usbThread1of1ForFork1_~probe_ret~0_31) (= |v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16| v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21)) InVars {} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#res_13|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|v_thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_23|, thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_28|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#res_16|, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34=|v_thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34_9|, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_31, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=v_thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_21} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_ieee80211_register_hw_#res, thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34, thread_usbThread1of1ForFork1_~probe_ret~0, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0] because there is no mapped edge [2019-11-28 18:35:45,209 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [820] [820] L1738-4-->L1743: Formula: (and (= 0 v_thread_usbThread1of1ForFork1_~probe_ret~0_14) (= 7 v_~pdev~0_95) (= 1 v_~ldv_usb_state~0_36)) InVars {thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14} OutVars{thread_usbThread1of1ForFork1_#t~ret40=|v_thread_usbThread1of1ForFork1_#t~ret40_11|, ~pdev~0=v_~pdev~0_95, thread_usbThread1of1ForFork1_~probe_ret~0=v_thread_usbThread1of1ForFork1_~probe_ret~0_14, ~ldv_usb_state~0=v_~ldv_usb_state~0_36} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_#t~ret40, ~pdev~0, ~ldv_usb_state~0] because there is no mapped edge [2019-11-28 18:35:45,210 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [979] [979] L1693-2-->L1693-2: Formula: (let ((.cse0 (= 1 |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|))) (or (and (<= 0 (+ |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790| 2147483648)) (= thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-722147790 thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790) (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-722147790| |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|) (not (= 2 |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|)) (not .cse0) (= |#pthreadsMutex_In-722147790| |#pthreadsMutex_Out-722147790|) (= |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-722147790| |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-722147790|) (<= |thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790| 2147483647) (= ~pdev~0_In-722147790 ~pdev~0_Out-722147790)) (let ((.cse1 (select |#pthreadsMutex_In-722147790| |~#mutex~0.base_In-722147790|))) (and (= ~pdev~0_Out-722147790 6) (= (store |#pthreadsMutex_In-722147790| |~#mutex~0.base_In-722147790| (store .cse1 |~#mutex~0.offset_In-722147790| 0)) |#pthreadsMutex_Out-722147790|) (= 1 |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|) (= (select .cse1 |~#mutex~0.offset_In-722147790|) 0) .cse0 (= |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790| thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790))))) InVars {#pthreadsMutex=|#pthreadsMutex_In-722147790|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_In-722147790|, ~#mutex~0.base=|~#mutex~0.base_In-722147790|, ~pdev~0=~pdev~0_In-722147790, ~#mutex~0.offset=|~#mutex~0.offset_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_In-722147790|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_In-722147790} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-722147790|, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30=|thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30_Out-722147790|, ~#mutex~0.base=|~#mutex~0.base_In-722147790|, ~pdev~0=~pdev~0_Out-722147790, ~#mutex~0.offset=|~#mutex~0.offset_In-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression_Out-722147790|, thread_ath9kThread1of1ForFork0_#t~switch32=|thread_ath9kThread1of1ForFork0_#t~switch32_Out-722147790|, thread_ath9kThread1of1ForFork0_#t~nondet31=|thread_ath9kThread1of1ForFork0_#t~nondet31_Out-722147790|, thread_ath9kThread1of1ForFork0_ldv_assert_~expression=thread_ath9kThread1of1ForFork0_ldv_assert_~expression_Out-722147790} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30, ~pdev~0, thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork0_#t~switch32, thread_ath9kThread1of1ForFork0_#t~nondet31, thread_ath9kThread1of1ForFork0_ldv_assert_~expression] because there is no mapped edge [2019-11-28 18:35:45,210 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [887] [887] L1743-->thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57) (= |v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51| (ite (= 7 v_~pdev~0_165) 1 0)) (= 0 v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57)) InVars {~pdev~0=v_~pdev~0_165} OutVars{thread_usbThread1of1ForFork1_ldv_assert_~expression=v_thread_usbThread1of1ForFork1_ldv_assert_~expression_57, ~pdev~0=v_~pdev~0_165, thread_usbThread1of1ForFork1_ldv_assert_#in~expression=|v_thread_usbThread1of1ForFork1_ldv_assert_#in~expression_51|} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ldv_assert_~expression, thread_usbThread1of1ForFork1_ldv_assert_#in~expression] because there is no mapped edge [2019-11-28 18:35:45,280 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 18:35:45,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 18:35:45,283 INFO L168 Benchmark]: Toolchain (without parser) took 17526.58 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -81.6 MB). Peak memory consumption was 244.0 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,289 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:35:45,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.8 MB in the beginning and 997.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.80 ms. Allocated memory is still 1.2 GB. Free memory was 997.5 MB in the beginning and 990.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,294 INFO L168 Benchmark]: Boogie Preprocessor took 54.91 ms. Allocated memory is still 1.2 GB. Free memory is still 990.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 18:35:45,296 INFO L168 Benchmark]: RCFGBuilder took 961.82 ms. Allocated memory is still 1.2 GB. Free memory was 990.6 MB in the beginning and 938.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,296 INFO L168 Benchmark]: TraceAbstraction took 14864.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 938.3 MB in the beginning and 1.0 GB in the end (delta: -103.7 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,300 INFO L168 Benchmark]: Witness Printer took 77.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 18:35:45,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1432.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.8 MB in the beginning and 997.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.80 ms. Allocated memory is still 1.2 GB. Free memory was 997.5 MB in the beginning and 990.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.91 ms. Allocated memory is still 1.2 GB. Free memory is still 990.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 961.82 ms. Allocated memory is still 1.2 GB. Free memory was 990.6 MB in the beginning and 938.3 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14864.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 938.3 MB in the beginning and 1.0 GB in the end (delta: -103.7 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. * Witness Printer took 77.12 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.6s, 251 ProgramPointsBefore, 57 ProgramPointsAfterwards, 285 TransitionsBefore, 69 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 141 TrivialSequentialCompositions, 124 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 47 ConcurrentYvCompositions, 24 ChoiceCompositions, 6415 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 23 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 14048 CheckedPairsTotal, 335 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Result: UNSAFE, OverallTime: 14.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 155 SDslu, 205 SDs, 0 SdLazy, 111 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1158occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1084 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...