./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f31b46ce9ff0420fe5a582a8bddb588a39357b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-a4ecdab [2020-11-29 22:28:41,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:28:41,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:28:41,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:28:41,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:28:41,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:28:41,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:28:41,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:28:41,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:28:41,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:28:41,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:28:41,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:28:41,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:28:41,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:28:41,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:28:41,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:28:41,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:28:41,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:28:41,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:28:41,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:28:41,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:28:41,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:28:41,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:28:41,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:28:41,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:28:41,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:28:41,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:28:41,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:28:41,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:28:41,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:28:41,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:28:41,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:28:41,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:28:41,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:28:41,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:28:41,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:28:41,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:28:41,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:28:41,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:28:41,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:28:41,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:28:41,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:28:41,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:28:41,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:28:41,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:28:41,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:28:41,594 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:28:41,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:28:41,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:28:41,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:28:41,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:28:41,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:28:41,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:28:41,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:28:41,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:28:41,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:28:41,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:28:41,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:28:41,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:28:41,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:28:41,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:28:41,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:28:41,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:28:41,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:28:41,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:28:41,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:28:41,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:28:41,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:28:41,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:28:41,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:28:41,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:28:41,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f31b46ce9ff0420fe5a582a8bddb588a39357b9 [2020-11-29 22:28:41,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:28:41,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:28:41,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:28:41,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:28:41,932 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:28:41,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2020-11-29 22:28:42,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/data/79bc2ed7a/c2553b4e05304a22bd7af3884da7b04b/FLAG3b6a4ebcd [2020-11-29 22:28:42,840 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:28:42,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2020-11-29 22:28:42,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/data/79bc2ed7a/c2553b4e05304a22bd7af3884da7b04b/FLAG3b6a4ebcd [2020-11-29 22:28:43,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/data/79bc2ed7a/c2553b4e05304a22bd7af3884da7b04b [2020-11-29 22:28:43,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:28:43,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:28:43,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:28:43,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:28:43,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:28:43,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:28:43" (1/1) ... [2020-11-29 22:28:43,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24239c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:43, skipping insertion in model container [2020-11-29 22:28:43,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:28:43" (1/1) ... [2020-11-29 22:28:43,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:28:43,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:28:44,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:28:44,018 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:28:44,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:28:44,634 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:28:44,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44 WrapperNode [2020-11-29 22:28:44,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:28:44,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:28:44,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:28:44,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:28:44,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:28:44,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:28:44,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:28:44,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:28:44,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... [2020-11-29 22:28:44,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:28:44,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:28:44,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:28:44,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:28:44,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:28:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-11-29 22:28:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-11-29 22:28:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:28:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:28:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-11-29 22:28:44,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-11-29 22:28:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-29 22:28:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:28:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:28:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:28:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:28:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:28:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:28:44,887 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 22:28:45,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:28:45,971 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-29 22:28:45,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:28:45 BoogieIcfgContainer [2020-11-29 22:28:45,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:28:45,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:28:45,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:28:45,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:28:45,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:28:43" (1/3) ... [2020-11-29 22:28:45,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1179b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:28:45, skipping insertion in model container [2020-11-29 22:28:45,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:28:44" (2/3) ... [2020-11-29 22:28:45,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e1179b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:28:45, skipping insertion in model container [2020-11-29 22:28:45,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:28:45" (3/3) ... [2020-11-29 22:28:45,992 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-11-29 22:28:46,006 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 22:28:46,006 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:28:46,013 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-11-29 22:28:46,014 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 22:28:46,074 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,075 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,075 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,076 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,076 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,076 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,077 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,077 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,077 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,077 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,078 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,078 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,078 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,079 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,079 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,079 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,079 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,080 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,080 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,080 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,081 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,081 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,081 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,081 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,082 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,082 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,082 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,082 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,083 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,083 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,083 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,086 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,086 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,086 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,086 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,087 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,087 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,087 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,088 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,088 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,088 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,089 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,089 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,089 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,089 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,090 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,090 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,090 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,090 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,091 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,091 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,091 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,091 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,095 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,096 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,096 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,096 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,097 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,097 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,097 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,097 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,098 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,098 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,098 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,098 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,099 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,099 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,100 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,100 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,100 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,101 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,101 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,101 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,102 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,102 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,102 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,102 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,103 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,103 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,103 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,104 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,105 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,105 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,106 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,106 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,107 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,107 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,107 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,108 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,108 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,108 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,109 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,110 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,111 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,113 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,114 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,115 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,115 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,116 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,117 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,118 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,119 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,119 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,120 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,120 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,128 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,128 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,128 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,129 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,129 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,129 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,129 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,130 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,130 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,130 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,133 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,133 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,133 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,133 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,134 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,134 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,134 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,134 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,135 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,135 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,135 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,136 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,136 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,136 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,136 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,137 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,137 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,137 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,138 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,138 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,141 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,142 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,142 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,142 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,143 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,143 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,143 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,143 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,144 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,144 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,144 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,144 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,144 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,145 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,145 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,145 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,145 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet39.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,146 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,146 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,146 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,146 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,147 WARN L313 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,147 WARN L313 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,158 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,158 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,159 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,160 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,160 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,160 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,163 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,163 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,163 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,163 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,163 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,164 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,164 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,164 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,164 WARN L313 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,164 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,165 WARN L313 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 22:28:46,189 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2020-11-29 22:28:46,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-11-29 22:28:46,228 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:28:46,228 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:28:46,228 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:28:46,228 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:28:46,229 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:28:46,229 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:28:46,229 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:28:46,229 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:28:46,255 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 22:28:46,257 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 295 places, 339 transitions, 720 flow [2020-11-29 22:28:46,261 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 295 places, 339 transitions, 720 flow [2020-11-29 22:28:46,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 295 places, 339 transitions, 720 flow [2020-11-29 22:28:46,380 INFO L129 PetriNetUnfolder]: 41/322 cut-off events. [2020-11-29 22:28:46,381 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-29 22:28:46,395 INFO L80 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 322 events. 41/322 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 890 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 329. Up to 12 conditions per place. [2020-11-29 22:28:46,411 INFO L116 LiptonReduction]: Number of co-enabled transitions 9768 [2020-11-29 22:28:52,117 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-29 22:28:52,908 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-11-29 22:28:53,013 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-29 22:28:55,091 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-11-29 22:28:55,296 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-29 22:28:56,051 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-11-29 22:28:56,297 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-29 22:28:57,094 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-11-29 22:28:57,367 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-29 22:28:57,611 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-29 22:28:57,937 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-11-29 22:28:57,953 INFO L131 LiptonReduction]: Checked pairs total: 14254 [2020-11-29 22:28:57,953 INFO L133 LiptonReduction]: Total number of compositions: 470 [2020-11-29 22:28:57,958 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 63 transitions, 168 flow [2020-11-29 22:28:57,989 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 320 states. [2020-11-29 22:28:57,991 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-11-29 22:28:57,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-11-29 22:28:57,997 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:57,998 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-11-29 22:28:57,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:58,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1248, now seen corresponding path program 1 times [2020-11-29 22:28:58,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:58,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930447480] [2020-11-29 22:28:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:28:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:28:58,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930447480] [2020-11-29 22:28:58,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:28:58,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-11-29 22:28:58,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895545585] [2020-11-29 22:28:58,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:28:58,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:28:58,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:28:58,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:28:58,337 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 2 states. [2020-11-29 22:28:58,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:28:58,380 INFO L93 Difference]: Finished difference Result 318 states and 849 transitions. [2020-11-29 22:28:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:28:58,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-11-29 22:28:58,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:28:58,398 INFO L225 Difference]: With dead ends: 318 [2020-11-29 22:28:58,398 INFO L226 Difference]: Without dead ends: 304 [2020-11-29 22:28:58,399 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:28:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-29 22:28:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-11-29 22:28:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-11-29 22:28:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 820 transitions. [2020-11-29 22:28:58,479 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 820 transitions. Word has length 1 [2020-11-29 22:28:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:28:58,480 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 820 transitions. [2020-11-29 22:28:58,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:28:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 820 transitions. [2020-11-29 22:28:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:28:58,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:58,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:28:58,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:28:58,482 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:58,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:58,483 INFO L82 PathProgramCache]: Analyzing trace with hash 2136527998, now seen corresponding path program 1 times [2020-11-29 22:28:58,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:58,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822163325] [2020-11-29 22:28:58,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:28:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:28:58,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822163325] [2020-11-29 22:28:58,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:28:58,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:28:58,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036864486] [2020-11-29 22:28:58,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:28:58,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:28:58,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:28:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:58,686 INFO L87 Difference]: Start difference. First operand 304 states and 820 transitions. Second operand 3 states. [2020-11-29 22:28:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:28:58,793 INFO L93 Difference]: Finished difference Result 416 states and 1200 transitions. [2020-11-29 22:28:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:28:58,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-29 22:28:58,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:28:58,804 INFO L225 Difference]: With dead ends: 416 [2020-11-29 22:28:58,805 INFO L226 Difference]: Without dead ends: 408 [2020-11-29 22:28:58,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:58,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-11-29 22:28:58,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 304. [2020-11-29 22:28:58,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-11-29 22:28:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 812 transitions. [2020-11-29 22:28:58,872 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 812 transitions. Word has length 6 [2020-11-29 22:28:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:28:58,873 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 812 transitions. [2020-11-29 22:28:58,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:28:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 812 transitions. [2020-11-29 22:28:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 22:28:58,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:58,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:28:58,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:28:58,874 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:58,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash 2136468238, now seen corresponding path program 1 times [2020-11-29 22:28:58,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:58,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650199452] [2020-11-29 22:28:58,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:28:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:28:58,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650199452] [2020-11-29 22:28:58,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:28:58,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:28:58,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344566224] [2020-11-29 22:28:58,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:28:58,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:28:58,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:28:58,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:28:58,996 INFO L87 Difference]: Start difference. First operand 304 states and 812 transitions. Second operand 4 states. [2020-11-29 22:28:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:28:59,139 INFO L93 Difference]: Finished difference Result 525 states and 1398 transitions. [2020-11-29 22:28:59,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:28:59,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 22:28:59,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:28:59,147 INFO L225 Difference]: With dead ends: 525 [2020-11-29 22:28:59,147 INFO L226 Difference]: Without dead ends: 518 [2020-11-29 22:28:59,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:28:59,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-11-29 22:28:59,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 324. [2020-11-29 22:28:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-11-29 22:28:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 869 transitions. [2020-11-29 22:28:59,186 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 869 transitions. Word has length 6 [2020-11-29 22:28:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:28:59,186 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 869 transitions. [2020-11-29 22:28:59,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:28:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 869 transitions. [2020-11-29 22:28:59,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 22:28:59,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:59,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:28:59,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:28:59,190 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:59,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:59,191 INFO L82 PathProgramCache]: Analyzing trace with hash 175033368, now seen corresponding path program 1 times [2020-11-29 22:28:59,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:59,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105845026] [2020-11-29 22:28:59,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:28:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:28:59,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105845026] [2020-11-29 22:28:59,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:28:59,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:28:59,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054340878] [2020-11-29 22:28:59,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:28:59,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:28:59,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:28:59,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:59,307 INFO L87 Difference]: Start difference. First operand 324 states and 869 transitions. Second operand 3 states. [2020-11-29 22:28:59,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:28:59,365 INFO L93 Difference]: Finished difference Result 333 states and 873 transitions. [2020-11-29 22:28:59,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:28:59,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-29 22:28:59,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:28:59,369 INFO L225 Difference]: With dead ends: 333 [2020-11-29 22:28:59,369 INFO L226 Difference]: Without dead ends: 312 [2020-11-29 22:28:59,370 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-11-29 22:28:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2020-11-29 22:28:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-11-29 22:28:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 816 transitions. [2020-11-29 22:28:59,386 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 816 transitions. Word has length 8 [2020-11-29 22:28:59,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:28:59,386 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 816 transitions. [2020-11-29 22:28:59,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:28:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 816 transitions. [2020-11-29 22:28:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 22:28:59,388 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:59,389 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:28:59,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:28:59,389 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:59,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:59,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1146662556, now seen corresponding path program 1 times [2020-11-29 22:28:59,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:59,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170493512] [2020-11-29 22:28:59,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:28:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:28:59,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170493512] [2020-11-29 22:28:59,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:28:59,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:28:59,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79464841] [2020-11-29 22:28:59,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:28:59,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:28:59,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:28:59,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:59,522 INFO L87 Difference]: Start difference. First operand 312 states and 816 transitions. Second operand 3 states. [2020-11-29 22:28:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:28:59,558 INFO L93 Difference]: Finished difference Result 260 states and 618 transitions. [2020-11-29 22:28:59,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:28:59,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-29 22:28:59,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:28:59,563 INFO L225 Difference]: With dead ends: 260 [2020-11-29 22:28:59,563 INFO L226 Difference]: Without dead ends: 237 [2020-11-29 22:28:59,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:28:59,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-11-29 22:28:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2020-11-29 22:28:59,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2020-11-29 22:28:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 544 transitions. [2020-11-29 22:28:59,576 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 544 transitions. Word has length 9 [2020-11-29 22:28:59,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:28:59,576 INFO L481 AbstractCegarLoop]: Abstraction has 237 states and 544 transitions. [2020-11-29 22:28:59,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:28:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 544 transitions. [2020-11-29 22:28:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 22:28:59,584 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:28:59,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:28:59,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:28:59,585 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbThread1of1ForFork0Err0INUSE_VIOLATION]=== [2020-11-29 22:28:59,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:28:59,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1168473979, now seen corresponding path program 1 times [2020-11-29 22:28:59,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:28:59,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198189781] [2020-11-29 22:28:59,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:28:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:28:59,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:28:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:28:59,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:28:59,757 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:28:59,758 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:28:59,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:28:59,758 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-29 22:28:59,760 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-29 22:28:59,761 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-29 22:28:59,765 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1195] [1195] L1778-->L1781: Formula: (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out996535299| 1) (= |ULTIMATE.start_reach_error_#t~nondet32.offset_In996535299| |ULTIMATE.start_reach_error_#t~nondet32.offset_Out996535299|) (<= |ULTIMATE.start_module_init_#t~nondet44_In996535299| 2147483647) (= |ULTIMATE.start_ldv_assert_#in~expression_Out996535299| ULTIMATE.start_ldv_assert_~expression_Out996535299) (= ~pdev~0_Out996535299 1) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet44_In996535299| 2147483648)) (= (store |#pthreadsMutex_In996535299| |~#mutex~0.base_In996535299| (store (select |#pthreadsMutex_In996535299| |~#mutex~0.base_In996535299|) |~#mutex~0.offset_In996535299| 0)) |#pthreadsMutex_Out996535299|) (= |ULTIMATE.start_reach_error_#t~nondet32.base_Out996535299| |ULTIMATE.start_reach_error_#t~nondet32.base_In996535299|)) InVars {#pthreadsMutex=|#pthreadsMutex_In996535299|, ~#mutex~0.base=|~#mutex~0.base_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_In996535299|, ULTIMATE.start_module_init_#t~nondet44=|ULTIMATE.start_module_init_#t~nondet44_In996535299|, ~#mutex~0.offset=|~#mutex~0.offset_In996535299|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out996535299|, ~#mutex~0.base=|~#mutex~0.base_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_Out996535299|, ~pdev~0=~pdev~0_Out996535299, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_Out996535299|, ULTIMATE.start_module_init_#t~nondet44=|ULTIMATE.start_module_init_#t~nondet44_In996535299|, ~#mutex~0.offset=|~#mutex~0.offset_In996535299|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out996535299|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out996535299} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_reach_error_#t~nondet32.offset, ~pdev~0, ULTIMATE.start_reach_error_#t~nondet32.base, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-11-29 22:28:59,768 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [912] [912] L1732-->L1736: Formula: (let ((.cse0 (= thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222 0))) (or (and .cse0 (= |thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222| 0)) (and (not .cse0) (= (- 1) |thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222|)))) InVars {thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222} OutVars{thread_usbThread1of1ForFork0_ath_ahb_probe_#res=|thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222|, thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222} AuxVars[] AssignedVars[thread_usbThread1of1ForFork0_ath_ahb_probe_#res] because there is no mapped edge [2020-11-29 22:28:59,771 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1211] [1211] L1704-2-->L1704-2: Formula: (and (let ((.cse0 (= |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 1))) (or (let ((.cse1 (select |#pthreadsMutex_In-592265764| |~#mutex~0.base_In-592265764|))) (and .cse0 (= 6 ~pdev~0_Out-592265764) (= (store |#pthreadsMutex_In-592265764| |~#mutex~0.base_In-592265764| (store .cse1 |~#mutex~0.offset_In-592265764| 0)) |#pthreadsMutex_Out-592265764|) (= 1 |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|) (= (select .cse1 |~#mutex~0.offset_In-592265764|) 0) (= thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764 |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|))) (and (not (= 2 |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764|)) (= thread_ath9kThread1of1ForFork1_ldv_assert_~expression_In-592265764 thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764) (= ~pdev~0_In-592265764 ~pdev~0_Out-592265764) (<= |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 2147483647) (<= 0 (+ |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 2147483648)) (not .cse0) (= |#pthreadsMutex_In-592265764| |#pthreadsMutex_Out-592265764|) (= |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_Out-592265764| |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_In-592265764|) (= |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_In-592265764| |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|)))) (= |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_In-592265764| |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_Out-592265764|) (= |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_In-592265764| |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_Out-592265764|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-592265764|, ~#mutex~0.base=|~#mutex~0.base_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_In-592265764|, ~pdev~0=~pdev~0_In-592265764, thread_ath9kThread1of1ForFork1_#t~nondet34=|thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764|, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33=|thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_In-592265764|, ~#mutex~0.offset=|~#mutex~0.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_~expression=thread_ath9kThread1of1ForFork1_ldv_assert_~expression_In-592265764} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-592265764|, ~#mutex~0.base=|~#mutex~0.base_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_Out-592265764|, thread_ath9kThread1of1ForFork1_#t~switch35=|thread_ath9kThread1of1ForFork1_#t~switch35_Out-592265764|, ~pdev~0=~pdev~0_Out-592265764, thread_ath9kThread1of1ForFork1_#t~nondet34=|thread_ath9kThread1of1ForFork1_#t~nondet34_Out-592265764|, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33=|thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_Out-592265764|, ~#mutex~0.offset=|~#mutex~0.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_Out-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_~expression=thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base, thread_ath9kThread1of1ForFork1_#t~switch35, ~pdev~0, thread_ath9kThread1of1ForFork1_#t~nondet34, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset, thread_ath9kThread1of1ForFork1_ldv_assert_~expression] because there is no mapped edge [2020-11-29 22:28:59,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:28:59 BasicIcfg [2020-11-29 22:28:59,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:28:59,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:28:59,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:28:59,835 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:28:59,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:28:45" (3/4) ... [2020-11-29 22:28:59,838 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:28:59,839 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1195] [1195] L1778-->L1781: Formula: (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out996535299| 1) (= |ULTIMATE.start_reach_error_#t~nondet32.offset_In996535299| |ULTIMATE.start_reach_error_#t~nondet32.offset_Out996535299|) (<= |ULTIMATE.start_module_init_#t~nondet44_In996535299| 2147483647) (= |ULTIMATE.start_ldv_assert_#in~expression_Out996535299| ULTIMATE.start_ldv_assert_~expression_Out996535299) (= ~pdev~0_Out996535299 1) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet44_In996535299| 2147483648)) (= (store |#pthreadsMutex_In996535299| |~#mutex~0.base_In996535299| (store (select |#pthreadsMutex_In996535299| |~#mutex~0.base_In996535299|) |~#mutex~0.offset_In996535299| 0)) |#pthreadsMutex_Out996535299|) (= |ULTIMATE.start_reach_error_#t~nondet32.base_Out996535299| |ULTIMATE.start_reach_error_#t~nondet32.base_In996535299|)) InVars {#pthreadsMutex=|#pthreadsMutex_In996535299|, ~#mutex~0.base=|~#mutex~0.base_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_In996535299|, ULTIMATE.start_module_init_#t~nondet44=|ULTIMATE.start_module_init_#t~nondet44_In996535299|, ~#mutex~0.offset=|~#mutex~0.offset_In996535299|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out996535299|, ~#mutex~0.base=|~#mutex~0.base_In996535299|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_Out996535299|, ~pdev~0=~pdev~0_Out996535299, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_Out996535299|, ULTIMATE.start_module_init_#t~nondet44=|ULTIMATE.start_module_init_#t~nondet44_In996535299|, ~#mutex~0.offset=|~#mutex~0.offset_In996535299|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out996535299|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out996535299} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_reach_error_#t~nondet32.offset, ~pdev~0, ULTIMATE.start_reach_error_#t~nondet32.base, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-11-29 22:28:59,841 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [912] [912] L1732-->L1736: Formula: (let ((.cse0 (= thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222 0))) (or (and .cse0 (= |thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222| 0)) (and (not .cse0) (= (- 1) |thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222|)))) InVars {thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222} OutVars{thread_usbThread1of1ForFork0_ath_ahb_probe_#res=|thread_usbThread1of1ForFork0_ath_ahb_probe_#res_Out-1125184222|, thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0_In-1125184222} AuxVars[] AssignedVars[thread_usbThread1of1ForFork0_ath_ahb_probe_#res] because there is no mapped edge [2020-11-29 22:28:59,843 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [1211] [1211] L1704-2-->L1704-2: Formula: (and (let ((.cse0 (= |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 1))) (or (let ((.cse1 (select |#pthreadsMutex_In-592265764| |~#mutex~0.base_In-592265764|))) (and .cse0 (= 6 ~pdev~0_Out-592265764) (= (store |#pthreadsMutex_In-592265764| |~#mutex~0.base_In-592265764| (store .cse1 |~#mutex~0.offset_In-592265764| 0)) |#pthreadsMutex_Out-592265764|) (= 1 |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|) (= (select .cse1 |~#mutex~0.offset_In-592265764|) 0) (= thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764 |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|))) (and (not (= 2 |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764|)) (= thread_ath9kThread1of1ForFork1_ldv_assert_~expression_In-592265764 thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764) (= ~pdev~0_In-592265764 ~pdev~0_Out-592265764) (<= |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 2147483647) (<= 0 (+ |thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764| 2147483648)) (not .cse0) (= |#pthreadsMutex_In-592265764| |#pthreadsMutex_Out-592265764|) (= |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_Out-592265764| |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_In-592265764|) (= |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_In-592265764| |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|)))) (= |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_In-592265764| |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_Out-592265764|) (= |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_In-592265764| |thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_Out-592265764|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-592265764|, ~#mutex~0.base=|~#mutex~0.base_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_In-592265764|, ~pdev~0=~pdev~0_In-592265764, thread_ath9kThread1of1ForFork1_#t~nondet34=|thread_ath9kThread1of1ForFork1_#t~nondet34_In-592265764|, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33=|thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_In-592265764|, ~#mutex~0.offset=|~#mutex~0.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_~expression=thread_ath9kThread1of1ForFork1_ldv_assert_~expression_In-592265764} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-592265764|, ~#mutex~0.base=|~#mutex~0.base_In-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base_Out-592265764|, thread_ath9kThread1of1ForFork1_#t~switch35=|thread_ath9kThread1of1ForFork1_#t~switch35_Out-592265764|, ~pdev~0=~pdev~0_Out-592265764, thread_ath9kThread1of1ForFork1_#t~nondet34=|thread_ath9kThread1of1ForFork1_#t~nondet34_Out-592265764|, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33=|thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33_Out-592265764|, ~#mutex~0.offset=|~#mutex~0.offset_In-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression=|thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression_Out-592265764|, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset=|thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset_Out-592265764|, thread_ath9kThread1of1ForFork1_ldv_assert_~expression=thread_ath9kThread1of1ForFork1_ldv_assert_~expression_Out-592265764} AuxVars[] AssignedVars[#pthreadsMutex, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.base, thread_ath9kThread1of1ForFork1_#t~switch35, ~pdev~0, thread_ath9kThread1of1ForFork1_#t~nondet34, thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet33, thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression, thread_ath9kThread1of1ForFork1_reach_error_#t~nondet32.offset, thread_ath9kThread1of1ForFork1_ldv_assert_~expression] because there is no mapped edge [2020-11-29 22:28:59,925 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ec658333-586e-45a5-88fd-06c7bc50ff94/bin/uautomizer/witness.graphml [2020-11-29 22:28:59,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:28:59,927 INFO L168 Benchmark]: Toolchain (without parser) took 16907.86 ms. Allocated memory was 83.9 MB in the beginning and 209.7 MB in the end (delta: 125.8 MB). Free memory was 46.8 MB in the beginning and 139.6 MB in the end (delta: -92.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,928 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:28:59,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1614.98 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 46.6 MB in the beginning and 42.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.29 ms. Allocated memory is still 113.2 MB. Free memory was 42.2 MB in the beginning and 83.4 MB in the end (delta: -41.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,930 INFO L168 Benchmark]: Boogie Preprocessor took 65.83 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 80.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,930 INFO L168 Benchmark]: RCFGBuilder took 1181.65 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 72.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,931 INFO L168 Benchmark]: TraceAbstraction took 13849.80 ms. Allocated memory was 113.2 MB in the beginning and 209.7 MB in the end (delta: 96.5 MB). Free memory was 72.5 MB in the beginning and 143.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,931 INFO L168 Benchmark]: Witness Printer took 91.29 ms. Allocated memory is still 209.7 MB. Free memory was 143.8 MB in the beginning and 139.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:28:59,935 INFO L339 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 83.9 MB. Free memory was 56.9 MB in the beginning and 56.9 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1614.98 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 46.6 MB in the beginning and 42.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 49.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.29 ms. Allocated memory is still 113.2 MB. Free memory was 42.2 MB in the beginning and 83.4 MB in the end (delta: -41.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.83 ms. Allocated memory is still 113.2 MB. Free memory was 83.4 MB in the beginning and 80.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1181.65 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 72.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 44.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13849.80 ms. Allocated memory was 113.2 MB in the beginning and 209.7 MB in the end (delta: 96.5 MB). Free memory was 72.5 MB in the beginning and 143.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * Witness Printer took 91.29 ms. Allocated memory is still 209.7 MB. Free memory was 143.8 MB in the beginning and 139.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7487 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 50 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 115 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.6s, 295 PlacesBefore, 53 PlacesAfterwards, 339 TransitionsBefore, 63 TransitionsAfterwards, 9768 CoEnabledTransitionPairs, 7 FixpointIterations, 201 TrivialSequentialCompositions, 152 ConcurrentSequentialCompositions, 35 TrivialYvCompositions, 48 ConcurrentYvCompositions, 34 ChoiceCompositions, 470 TotalNumberOfCompositions, 14254 MoverChecksTotal - CounterExampleResult [Line: 1691]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1694] 0 pthread_t t1, t2; [L1695] 0 pthread_mutex_t mutex; [L1696] 0 int pdev; [L1741] 0 int ldv_usb_state; [L1781] COND TRUE 0 __VERIFIER_nondet_int() [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={7:0}, pdev=1, t1={6:0}, t2={9:0}] [L1743] 1 ldv_usb_state = 0 [L1744] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={7:0}, pdev=1, t1={6:0}, t2={9:0}] [L1745] COND TRUE 1 1 [L1747] 1 case 0: [L1748] COND TRUE 1 ldv_usb_state==0 [L1730] 1 int error; [L1717] COND TRUE 1 __VERIFIER_nondet_int() [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={7:0}, pdev=1, t1={6:0}, t2={9:0}] [L1719] 1 return 0; [L1731] 1 error = ieee80211_register_hw() [L1749] 1 probe_ret = ath_ahb_probe() [L1750] COND FALSE 1 !(probe_ret!=0) [L1752] 1 ldv_usb_state = 1 [L1753] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={7:0}, pdev=7, t1={6:0}, t2={9:0}] [L1693] COND TRUE 1 !expression [L1691] COND FALSE 1 !(0) [L1691] 1 __assert_fail ("0", "race-4_2-thread_local_vars.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [ldv_usb_state=1, mutex={7:0}, pdev=6, t1={6:0}, t2={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 200 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.7s, HoareTripleCheckerStatistics: 223 SDtfs, 79 SDslu, 112 SDs, 0 SdLazy, 85 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 298 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...