./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:23:41,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:23:41,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:23:41,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:23:41,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:23:41,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:23:41,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:23:41,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:23:41,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:23:41,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:23:41,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:23:41,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:23:41,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:23:41,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:23:41,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:23:41,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:23:41,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:23:41,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:23:41,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:23:41,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:23:41,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:23:41,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:23:41,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:23:41,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:23:41,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:23:41,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:23:41,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:23:41,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:23:41,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:23:41,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:23:41,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:23:41,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:23:41,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:23:41,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:23:41,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:23:41,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:23:41,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:23:41,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:23:41,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:23:41,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:23:41,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:23:41,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:23:41,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:23:41,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:23:41,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:23:41,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:23:41,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:23:41,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:23:41,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:23:41,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:23:41,634 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:23:41,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:23:41,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:23:41,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:23:41,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:23:41,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:23:41,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:23:41,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:23:41,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:23:41,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:23:41,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:23:41,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:23:41,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:23:41,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:23:41,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:23:41,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:23:41,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:23:41,639 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:23:41,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:23:41,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:23:41,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:23:41,640 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2021-12-17 22:23:41,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:23:41,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:23:41,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:23:41,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:23:41,947 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:23:41,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-17 22:23:42,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81449fce/0f31c36f6419491d9a5a6388179be189/FLAG4124da775 [2021-12-17 22:23:42,587 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:23:42,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-17 22:23:42,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81449fce/0f31c36f6419491d9a5a6388179be189/FLAG4124da775 [2021-12-17 22:23:42,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81449fce/0f31c36f6419491d9a5a6388179be189 [2021-12-17 22:23:42,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:23:42,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:23:42,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:23:42,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:23:43,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:23:43,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:23:42" (1/1) ... [2021-12-17 22:23:43,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29996ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43, skipping insertion in model container [2021-12-17 22:23:43,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:23:42" (1/1) ... [2021-12-17 22:23:43,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:23:43,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:23:43,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-17 22:23:43,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:23:43,635 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:23:43,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-17 22:23:43,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:23:43,812 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:23:43,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43 WrapperNode [2021-12-17 22:23:43,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:23:43,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:23:43,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:23:43,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:23:43,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,875 INFO L137 Inliner]: procedures = 486, calls = 44, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 209 [2021-12-17 22:23:43,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:23:43,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:23:43,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:23:43,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:23:43,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:23:43,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:23:43,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:23:43,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:23:43,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (1/1) ... [2021-12-17 22:23:43,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:23:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:23:43,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 22:23:43,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 22:23:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-12-17 22:23:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-12-17 22:23:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:23:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:23:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-12-17 22:23:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-12-17 22:23:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-17 22:23:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:23:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-17 22:23:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:23:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:23:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:23:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:23:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:23:44,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:23:44,269 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:23:44,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:23:44,602 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:23:44,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:23:44,615 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 22:23:44,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:23:44 BoogieIcfgContainer [2021-12-17 22:23:44,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:23:44,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:23:44,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:23:44,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:23:44,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:23:42" (1/3) ... [2021-12-17 22:23:44,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb21d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:23:44, skipping insertion in model container [2021-12-17 22:23:44,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:23:43" (2/3) ... [2021-12-17 22:23:44,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb21d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:23:44, skipping insertion in model container [2021-12-17 22:23:44,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:23:44" (3/3) ... [2021-12-17 22:23:44,629 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2021-12-17 22:23:44,634 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:23:44,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:23:44,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-17 22:23:44,635 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:23:44,688 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,689 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,689 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,689 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,689 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,689 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,690 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,690 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,690 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,690 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,691 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,692 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,692 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,693 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,693 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,693 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,694 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,694 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,695 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,695 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,695 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,695 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,696 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,696 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,696 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,696 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,697 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,697 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,697 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,698 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,698 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,698 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,698 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,698 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,699 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,699 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,699 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,699 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,700 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,700 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,700 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,701 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,701 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,702 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,702 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,702 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,703 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,703 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,703 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,706 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,706 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,707 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,708 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,708 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,708 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,708 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,708 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,709 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,709 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,709 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,709 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,710 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,710 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,710 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,710 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,710 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,711 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,711 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,711 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,712 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,712 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,714 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,714 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,715 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,715 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,715 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,715 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,716 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,716 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,716 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,721 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,721 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,721 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,721 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,721 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,722 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,722 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,722 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,722 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,722 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,723 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,723 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,723 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,724 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,724 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,724 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,724 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,724 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,725 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,726 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,727 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,727 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,727 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,727 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,727 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,728 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,729 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,729 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,729 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,729 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,730 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,730 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,730 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,730 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,730 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,731 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,732 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,733 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,733 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,734 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,734 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,734 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,734 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,735 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,735 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,736 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,736 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,736 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,736 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,736 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,737 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,738 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,739 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,739 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,739 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,740 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,741 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,741 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,741 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,741 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,741 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,742 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,743 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,744 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,745 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,745 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,746 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,749 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,749 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,754 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,755 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,755 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,755 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,755 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,755 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,756 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,757 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,757 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,757 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,758 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,759 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,760 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,760 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,760 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,764 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,764 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,765 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,765 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,765 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,765 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,766 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,767 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,771 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,771 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,771 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,772 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,772 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,772 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,772 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,772 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,773 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,773 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,773 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,774 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,775 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,780 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,782 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,783 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:23:44,788 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-17 22:23:44,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:23:44,856 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 22:23:44,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-12-17 22:23:44,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 353 transitions, 736 flow [2021-12-17 22:23:45,016 INFO L129 PetriNetUnfolder]: 35/363 cut-off events. [2021-12-17 22:23:45,017 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-17 22:23:45,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 363 events. 35/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 935 event pairs, 0 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 250. Up to 11 conditions per place. [2021-12-17 22:23:45,025 INFO L82 GeneralOperation]: Start removeDead. Operand has 321 places, 353 transitions, 736 flow [2021-12-17 22:23:45,034 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 238 transitions, 493 flow [2021-12-17 22:23:45,048 INFO L129 PetriNetUnfolder]: 1/41 cut-off events. [2021-12-17 22:23:45,048 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:23:45,049 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:45,049 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:45,050 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:45,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:45,058 INFO L85 PathProgramCache]: Analyzing trace with hash -380157774, now seen corresponding path program 1 times [2021-12-17 22:23:45,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:45,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790789436] [2021-12-17 22:23:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:45,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:45,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:45,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:45,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790789436] [2021-12-17 22:23:45,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790789436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:45,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:45,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:45,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385286187] [2021-12-17 22:23:45,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:45,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:45,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:45,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:45,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:45,530 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-17 22:23:45,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 238 transitions, 493 flow. Second operand has 5 states, 5 states have (on average 287.2) internal successors, (1436), 5 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:45,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:45,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-17 22:23:45,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:45,768 INFO L129 PetriNetUnfolder]: 81/713 cut-off events. [2021-12-17 22:23:45,768 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-12-17 22:23:45,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 713 events. 81/713 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3359 event pairs, 8 based on Foata normal form. 49/680 useless extension candidates. Maximal degree in co-relation 573. Up to 61 conditions per place. [2021-12-17 22:23:45,778 INFO L132 encePairwiseOnDemand]: 331/353 looper letters, 26 selfloop transitions, 12 changer transitions 0/228 dead transitions. [2021-12-17 22:23:45,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 228 transitions, 552 flow [2021-12-17 22:23:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:23:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:23:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2060 transitions. [2021-12-17 22:23:45,804 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8336705787130716 [2021-12-17 22:23:45,805 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2060 transitions. [2021-12-17 22:23:45,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2060 transitions. [2021-12-17 22:23:45,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:45,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2060 transitions. [2021-12-17 22:23:45,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 294.2857142857143) internal successors, (2060), 7 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:45,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:45,836 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:45,838 INFO L186 Difference]: Start difference. First operand has 222 places, 238 transitions, 493 flow. Second operand 7 states and 2060 transitions. [2021-12-17 22:23:45,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 228 transitions, 552 flow [2021-12-17 22:23:45,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 228 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:23:45,850 INFO L242 Difference]: Finished difference. Result has 219 places, 223 transitions, 494 flow [2021-12-17 22:23:45,852 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=494, PETRI_PLACES=219, PETRI_TRANSITIONS=223} [2021-12-17 22:23:45,855 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -3 predicate places. [2021-12-17 22:23:45,856 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 223 transitions, 494 flow [2021-12-17 22:23:45,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.2) internal successors, (1436), 5 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:45,857 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:45,857 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:45,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:23:45,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -511146899, now seen corresponding path program 1 times [2021-12-17 22:23:45,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:45,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817601412] [2021-12-17 22:23:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:45,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:45,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:45,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817601412] [2021-12-17 22:23:45,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817601412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:45,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:45,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:45,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404087086] [2021-12-17 22:23:45,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:45,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:45,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:45,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:45,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:45,999 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-17 22:23:46,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 223 transitions, 494 flow. Second operand has 5 states, 5 states have (on average 288.2) internal successors, (1441), 5 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:46,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-17 22:23:46,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:46,182 INFO L129 PetriNetUnfolder]: 82/736 cut-off events. [2021-12-17 22:23:46,182 INFO L130 PetriNetUnfolder]: For 61/67 co-relation queries the response was YES. [2021-12-17 22:23:46,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 736 events. 82/736 cut-off events. For 61/67 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3485 event pairs, 13 based on Foata normal form. 1/656 useless extension candidates. Maximal degree in co-relation 599. Up to 77 conditions per place. [2021-12-17 22:23:46,190 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 27 selfloop transitions, 3 changer transitions 7/223 dead transitions. [2021-12-17 22:23:46,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 223 transitions, 564 flow [2021-12-17 22:23:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 22:23:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-17 22:23:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1748 transitions. [2021-12-17 22:23:46,194 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253068932955618 [2021-12-17 22:23:46,194 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1748 transitions. [2021-12-17 22:23:46,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1748 transitions. [2021-12-17 22:23:46,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:46,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1748 transitions. [2021-12-17 22:23:46,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,204 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,204 INFO L186 Difference]: Start difference. First operand has 219 places, 223 transitions, 494 flow. Second operand 6 states and 1748 transitions. [2021-12-17 22:23:46,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 223 transitions, 564 flow [2021-12-17 22:23:46,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 223 transitions, 545 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-17 22:23:46,215 INFO L242 Difference]: Finished difference. Result has 217 places, 214 transitions, 461 flow [2021-12-17 22:23:46,216 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=461, PETRI_PLACES=217, PETRI_TRANSITIONS=214} [2021-12-17 22:23:46,216 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -5 predicate places. [2021-12-17 22:23:46,217 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 214 transitions, 461 flow [2021-12-17 22:23:46,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 288.2) internal successors, (1441), 5 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:46,218 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:46,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:23:46,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:46,221 INFO L85 PathProgramCache]: Analyzing trace with hash 53045618, now seen corresponding path program 1 times [2021-12-17 22:23:46,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:46,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391810241] [2021-12-17 22:23:46,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:46,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:46,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:46,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391810241] [2021-12-17 22:23:46,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391810241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:46,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:46,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:46,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108887318] [2021-12-17 22:23:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:46,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:46,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:46,328 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-17 22:23:46,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 214 transitions, 461 flow. Second operand has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:46,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-17 22:23:46,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:46,582 INFO L129 PetriNetUnfolder]: 147/1088 cut-off events. [2021-12-17 22:23:46,582 INFO L130 PetriNetUnfolder]: For 82/94 co-relation queries the response was YES. [2021-12-17 22:23:46,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 1088 events. 147/1088 cut-off events. For 82/94 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6706 event pairs, 12 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1301. Up to 73 conditions per place. [2021-12-17 22:23:46,599 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 49 selfloop transitions, 20 changer transitions 0/250 dead transitions. [2021-12-17 22:23:46,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 250 transitions, 694 flow [2021-12-17 22:23:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:23:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:23:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2642 transitions. [2021-12-17 22:23:46,605 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.83160214038401 [2021-12-17 22:23:46,605 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2642 transitions. [2021-12-17 22:23:46,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2642 transitions. [2021-12-17 22:23:46,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:46,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2642 transitions. [2021-12-17 22:23:46,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 293.55555555555554) internal successors, (2642), 9 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,620 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,620 INFO L186 Difference]: Start difference. First operand has 217 places, 214 transitions, 461 flow. Second operand 9 states and 2642 transitions. [2021-12-17 22:23:46,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 250 transitions, 694 flow [2021-12-17 22:23:46,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 250 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:23:46,629 INFO L242 Difference]: Finished difference. Result has 220 places, 229 transitions, 602 flow [2021-12-17 22:23:46,629 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=602, PETRI_PLACES=220, PETRI_TRANSITIONS=229} [2021-12-17 22:23:46,631 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -2 predicate places. [2021-12-17 22:23:46,632 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 229 transitions, 602 flow [2021-12-17 22:23:46,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,633 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:46,633 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:46,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:23:46,633 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:46,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:46,634 INFO L85 PathProgramCache]: Analyzing trace with hash -308266431, now seen corresponding path program 1 times [2021-12-17 22:23:46,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:46,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519343101] [2021-12-17 22:23:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:46,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:46,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:46,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519343101] [2021-12-17 22:23:46,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519343101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:46,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:46,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:46,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850864975] [2021-12-17 22:23:46,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:46,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:46,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:46,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:46,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:46,757 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 353 [2021-12-17 22:23:46,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 229 transitions, 602 flow. Second operand has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:46,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:46,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 353 [2021-12-17 22:23:46,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:47,297 INFO L129 PetriNetUnfolder]: 434/2987 cut-off events. [2021-12-17 22:23:47,297 INFO L130 PetriNetUnfolder]: For 1303/1357 co-relation queries the response was YES. [2021-12-17 22:23:47,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4473 conditions, 2987 events. 434/2987 cut-off events. For 1303/1357 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 24835 event pairs, 44 based on Foata normal form. 14/2725 useless extension candidates. Maximal degree in co-relation 3623. Up to 156 conditions per place. [2021-12-17 22:23:47,326 INFO L132 encePairwiseOnDemand]: 342/353 looper letters, 80 selfloop transitions, 43 changer transitions 0/319 dead transitions. [2021-12-17 22:23:47,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 319 transitions, 1257 flow [2021-12-17 22:23:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:23:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:23:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2749 transitions. [2021-12-17 22:23:47,332 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8652817123072081 [2021-12-17 22:23:47,332 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2749 transitions. [2021-12-17 22:23:47,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2749 transitions. [2021-12-17 22:23:47,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:47,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2749 transitions. [2021-12-17 22:23:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 305.44444444444446) internal successors, (2749), 9 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:47,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:47,345 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:47,345 INFO L186 Difference]: Start difference. First operand has 220 places, 229 transitions, 602 flow. Second operand 9 states and 2749 transitions. [2021-12-17 22:23:47,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 319 transitions, 1257 flow [2021-12-17 22:23:47,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 319 transitions, 1233 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-12-17 22:23:47,357 INFO L242 Difference]: Finished difference. Result has 235 places, 265 transitions, 990 flow [2021-12-17 22:23:47,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=990, PETRI_PLACES=235, PETRI_TRANSITIONS=265} [2021-12-17 22:23:47,358 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 13 predicate places. [2021-12-17 22:23:47,358 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 265 transitions, 990 flow [2021-12-17 22:23:47,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:47,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:47,359 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:47,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:23:47,359 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 472858484, now seen corresponding path program 1 times [2021-12-17 22:23:47,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:47,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743579555] [2021-12-17 22:23:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:47,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:47,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:47,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743579555] [2021-12-17 22:23:47,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743579555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:47,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:47,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:47,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126689160] [2021-12-17 22:23:47,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:47,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:47,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:47,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:47,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:47,461 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-17 22:23:47,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 265 transitions, 990 flow. Second operand has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:47,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:47,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-17 22:23:47,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:48,127 INFO L129 PetriNetUnfolder]: 517/3583 cut-off events. [2021-12-17 22:23:48,127 INFO L130 PetriNetUnfolder]: For 4462/4659 co-relation queries the response was YES. [2021-12-17 22:23:48,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6589 conditions, 3583 events. 517/3583 cut-off events. For 4462/4659 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 29946 event pairs, 50 based on Foata normal form. 38/3305 useless extension candidates. Maximal degree in co-relation 5408. Up to 280 conditions per place. [2021-12-17 22:23:48,168 INFO L132 encePairwiseOnDemand]: 338/353 looper letters, 111 selfloop transitions, 46 changer transitions 0/344 dead transitions. [2021-12-17 22:23:48,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 344 transitions, 1979 flow [2021-12-17 22:23:48,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:23:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:23:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2652 transitions. [2021-12-17 22:23:48,173 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8347497639282342 [2021-12-17 22:23:48,173 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2652 transitions. [2021-12-17 22:23:48,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2652 transitions. [2021-12-17 22:23:48,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:48,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2652 transitions. [2021-12-17 22:23:48,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 294.6666666666667) internal successors, (2652), 9 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,187 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,187 INFO L186 Difference]: Start difference. First operand has 235 places, 265 transitions, 990 flow. Second operand 9 states and 2652 transitions. [2021-12-17 22:23:48,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 344 transitions, 1979 flow [2021-12-17 22:23:48,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 344 transitions, 1919 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-12-17 22:23:48,206 INFO L242 Difference]: Finished difference. Result has 249 places, 297 transitions, 1469 flow [2021-12-17 22:23:48,206 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1469, PETRI_PLACES=249, PETRI_TRANSITIONS=297} [2021-12-17 22:23:48,207 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 27 predicate places. [2021-12-17 22:23:48,207 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 297 transitions, 1469 flow [2021-12-17 22:23:48,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,208 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:48,208 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:48,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:23:48,208 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:48,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2082705149, now seen corresponding path program 1 times [2021-12-17 22:23:48,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:48,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955763865] [2021-12-17 22:23:48,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:48,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:48,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955763865] [2021-12-17 22:23:48,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955763865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:48,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:48,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:48,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530934975] [2021-12-17 22:23:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:48,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:48,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:48,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:48,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:48,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-17 22:23:48,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 297 transitions, 1469 flow. Second operand has 5 states, 5 states have (on average 289.0) internal successors, (1445), 5 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,307 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:48,307 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-17 22:23:48,307 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:48,933 INFO L129 PetriNetUnfolder]: 506/3566 cut-off events. [2021-12-17 22:23:48,933 INFO L130 PetriNetUnfolder]: For 5732/5951 co-relation queries the response was YES. [2021-12-17 22:23:48,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6958 conditions, 3566 events. 506/3566 cut-off events. For 5732/5951 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 29826 event pairs, 49 based on Foata normal form. 14/3271 useless extension candidates. Maximal degree in co-relation 5422. Up to 431 conditions per place. [2021-12-17 22:23:48,981 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 94 selfloop transitions, 14 changer transitions 17/329 dead transitions. [2021-12-17 22:23:48,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 329 transitions, 1991 flow [2021-12-17 22:23:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 22:23:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-17 22:23:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2334 transitions. [2021-12-17 22:23:48,987 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8264872521246459 [2021-12-17 22:23:48,987 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2334 transitions. [2021-12-17 22:23:48,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2334 transitions. [2021-12-17 22:23:48,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:48,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2334 transitions. [2021-12-17 22:23:48,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 291.75) internal successors, (2334), 8 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,999 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:48,999 INFO L186 Difference]: Start difference. First operand has 249 places, 297 transitions, 1469 flow. Second operand 8 states and 2334 transitions. [2021-12-17 22:23:48,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 329 transitions, 1991 flow [2021-12-17 22:23:49,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 329 transitions, 1851 flow, removed 67 selfloop flow, removed 1 redundant places. [2021-12-17 22:23:49,068 INFO L242 Difference]: Finished difference. Result has 261 places, 302 transitions, 1430 flow [2021-12-17 22:23:49,069 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1430, PETRI_PLACES=261, PETRI_TRANSITIONS=302} [2021-12-17 22:23:49,069 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 39 predicate places. [2021-12-17 22:23:49,070 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 302 transitions, 1430 flow [2021-12-17 22:23:49,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 289.0) internal successors, (1445), 5 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:49,071 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:49,071 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:49,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 22:23:49,072 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:49,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1028848906, now seen corresponding path program 1 times [2021-12-17 22:23:49,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:49,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905855831] [2021-12-17 22:23:49,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:49,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:49,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:49,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905855831] [2021-12-17 22:23:49,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905855831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:49,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:49,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:49,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713972087] [2021-12-17 22:23:49,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:49,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:49,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:49,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:49,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:49,151 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 353 [2021-12-17 22:23:49,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 302 transitions, 1430 flow. Second operand has 5 states, 5 states have (on average 311.0) internal successors, (1555), 5 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:49,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:49,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 353 [2021-12-17 22:23:49,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:50,144 INFO L129 PetriNetUnfolder]: 598/5512 cut-off events. [2021-12-17 22:23:50,145 INFO L130 PetriNetUnfolder]: For 6546/6812 co-relation queries the response was YES. [2021-12-17 22:23:50,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10525 conditions, 5512 events. 598/5512 cut-off events. For 6546/6812 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 54731 event pairs, 24 based on Foata normal form. 37/5116 useless extension candidates. Maximal degree in co-relation 10440. Up to 278 conditions per place. [2021-12-17 22:23:50,207 INFO L132 encePairwiseOnDemand]: 346/353 looper letters, 28 selfloop transitions, 9 changer transitions 0/322 dead transitions. [2021-12-17 22:23:50,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 322 transitions, 1557 flow [2021-12-17 22:23:50,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:23:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:23:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2199 transitions. [2021-12-17 22:23:50,214 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8899231080534197 [2021-12-17 22:23:50,214 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2199 transitions. [2021-12-17 22:23:50,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2199 transitions. [2021-12-17 22:23:50,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:50,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2199 transitions. [2021-12-17 22:23:50,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 314.14285714285717) internal successors, (2199), 7 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:50,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:50,227 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:50,228 INFO L186 Difference]: Start difference. First operand has 261 places, 302 transitions, 1430 flow. Second operand 7 states and 2199 transitions. [2021-12-17 22:23:50,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 322 transitions, 1557 flow [2021-12-17 22:23:50,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 322 transitions, 1523 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-12-17 22:23:50,270 INFO L242 Difference]: Finished difference. Result has 269 places, 310 transitions, 1464 flow [2021-12-17 22:23:50,271 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1464, PETRI_PLACES=269, PETRI_TRANSITIONS=310} [2021-12-17 22:23:50,272 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 47 predicate places. [2021-12-17 22:23:50,272 INFO L470 AbstractCegarLoop]: Abstraction has has 269 places, 310 transitions, 1464 flow [2021-12-17 22:23:50,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 311.0) internal successors, (1555), 5 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:50,273 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:50,273 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:50,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:23:50,274 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:50,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:50,274 INFO L85 PathProgramCache]: Analyzing trace with hash 31831274, now seen corresponding path program 1 times [2021-12-17 22:23:50,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:50,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503937051] [2021-12-17 22:23:50,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:50,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:23:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:23:50,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:23:50,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503937051] [2021-12-17 22:23:50,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503937051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:23:50,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:23:50,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 22:23:50,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062196105] [2021-12-17 22:23:50,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:23:50,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 22:23:50,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:23:50,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 22:23:50,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 22:23:50,380 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 353 [2021-12-17 22:23:50,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 310 transitions, 1464 flow. Second operand has 5 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:50,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:23:50,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 353 [2021-12-17 22:23:50,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:23:51,643 INFO L129 PetriNetUnfolder]: 706/6838 cut-off events. [2021-12-17 22:23:51,644 INFO L130 PetriNetUnfolder]: For 7430/7705 co-relation queries the response was YES. [2021-12-17 22:23:51,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13018 conditions, 6838 events. 706/6838 cut-off events. For 7430/7705 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 70751 event pairs, 26 based on Foata normal form. 47/6364 useless extension candidates. Maximal degree in co-relation 11945. Up to 318 conditions per place. [2021-12-17 22:23:51,718 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 25 selfloop transitions, 8 changer transitions 4/319 dead transitions. [2021-12-17 22:23:51,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 319 transitions, 1515 flow [2021-12-17 22:23:51,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 22:23:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-17 22:23:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2188 transitions. [2021-12-17 22:23:51,723 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854714690408741 [2021-12-17 22:23:51,723 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2188 transitions. [2021-12-17 22:23:51,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2188 transitions. [2021-12-17 22:23:51,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:23:51,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2188 transitions. [2021-12-17 22:23:51,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 312.57142857142856) internal successors, (2188), 7 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:51,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:51,732 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:51,732 INFO L186 Difference]: Start difference. First operand has 269 places, 310 transitions, 1464 flow. Second operand 7 states and 2188 transitions. [2021-12-17 22:23:51,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 319 transitions, 1515 flow [2021-12-17 22:23:51,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 319 transitions, 1515 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-17 22:23:51,773 INFO L242 Difference]: Finished difference. Result has 280 places, 307 transitions, 1424 flow [2021-12-17 22:23:51,774 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1424, PETRI_PLACES=280, PETRI_TRANSITIONS=307} [2021-12-17 22:23:51,774 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 58 predicate places. [2021-12-17 22:23:51,774 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 307 transitions, 1424 flow [2021-12-17 22:23:51,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:23:51,775 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:23:51,775 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:51,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:23:51,776 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-17 22:23:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:23:51,776 INFO L85 PathProgramCache]: Analyzing trace with hash 24630793, now seen corresponding path program 1 times [2021-12-17 22:23:51,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:23:51,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468651845] [2021-12-17 22:23:51,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:23:51,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:23:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:23:51,800 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 22:23:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 22:23:51,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 22:23:51,844 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 22:23:51,844 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 14 remaining) [2021-12-17 22:23:51,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2021-12-17 22:23:51,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2021-12-17 22:23:51,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2021-12-17 22:23:51,846 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1INUSE_VIOLATION (4 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2021-12-17 22:23:51,847 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2021-12-17 22:23:51,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2021-12-17 22:23:51,849 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATION (0 of 14 remaining) [2021-12-17 22:23:51,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 22:23:51,854 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:23:51,859 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-17 22:23:51,859 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 22:23:51,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:23:51 BasicIcfg [2021-12-17 22:23:51,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 22:23:51,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 22:23:51,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 22:23:51,937 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 22:23:51,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:23:44" (3/4) ... [2021-12-17 22:23:51,939 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-17 22:23:51,994 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 22:23:51,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 22:23:51,995 INFO L158 Benchmark]: Toolchain (without parser) took 8997.43ms. Allocated memory was 96.5MB in the beginning and 725.6MB in the end (delta: 629.1MB). Free memory was 55.5MB in the beginning and 370.5MB in the end (delta: -315.0MB). Peak memory consumption was 314.9MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,995 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:23:51,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 814.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.3MB in the beginning and 76.6MB in the end (delta: -21.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.58ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,996 INFO L158 Benchmark]: Boogie Preprocessor took 48.52ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,996 INFO L158 Benchmark]: RCFGBuilder took 679.33ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 81.4MB in the end (delta: -11.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,996 INFO L158 Benchmark]: TraceAbstraction took 7316.61ms. Allocated memory was 117.4MB in the beginning and 725.6MB in the end (delta: 608.2MB). Free memory was 80.8MB in the beginning and 386.2MB in the end (delta: -305.4MB). Peak memory consumption was 301.2MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,997 INFO L158 Benchmark]: Witness Printer took 57.04ms. Allocated memory is still 725.6MB. Free memory was 385.1MB in the beginning and 370.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 22:23:51,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 75.2MB in the beginning and 75.1MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 814.95ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 55.3MB in the beginning and 76.6MB in the end (delta: -21.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.58ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.52ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 70.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.33ms. Allocated memory is still 117.4MB. Free memory was 70.0MB in the beginning and 81.4MB in the end (delta: -11.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7316.61ms. Allocated memory was 117.4MB in the beginning and 725.6MB in the end (delta: 608.2MB). Free memory was 80.8MB in the beginning and 386.2MB in the end (delta: -305.4MB). Peak memory consumption was 301.2MB. Max. memory is 16.1GB. * Witness Printer took 57.04ms. Allocated memory is still 725.6MB. Free memory was 385.1MB in the beginning and 370.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1693]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1694] 0 pthread_t t1, t2; VAL [t1={3:0}, t2={4:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={5:0}, t1={3:0}, t2={4:0}] [L1696] 0 int pdev; VAL [mutex={5:0}, pdev=0, t1={3:0}, t2={4:0}] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={5:0}, pdev=0, t1={3:0}, t2={4:0}] [L1798] CALL 0 module_init() [L1779] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1780] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1780] RET 0 ldv_assert(pdev==1) [L1781] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, pthread_create(&t1, ((void *)0), thread_usb, ((void *)0))=-1, t1={3:0}, t2={4:0}] [L1743] 1 ldv_usb_state = 0 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1744] 1 int probe_ret; VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1745] COND TRUE 1 1 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1747] 1 case 0: VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1748] COND TRUE 1 ldv_usb_state==0 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 1 ath_ahb_probe() [L1730] 1 int error; VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1731] CALL, EXPR 1 ieee80211_register_hw() [L1717] COND TRUE 1 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0))=0, t1={3:0}, t2={4:0}] [L1704] COND TRUE 2 1 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1706] 2 case 1: VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1707] CALL 2 ath9k_flush() [L1699] 2 pdev = 6 VAL [ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1719] 1 return 0; VAL [\result=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1731] RET, EXPR 1 ieee80211_register_hw() [L1731] 1 error = ieee80211_register_hw() VAL [error=0, ieee80211_register_hw()=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1732] COND FALSE 1 !(\read(error)) VAL [error=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1734] 1 return 0; VAL [\result=0, error=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 1 ath_ahb_probe() [L1749] 1 probe_ret = ath_ahb_probe() VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ath_ahb_probe()=0, ldv_usb_state=0, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1750] COND FALSE 1 !(probe_ret!=0) VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1752] 1 ldv_usb_state = 1 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=1, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1753] 1 pdev = 7 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=1, mutex={5:0}, pdev=7, probe_ret=0, t1={3:0}, t2={4:0}] [L1700] CALL 2 ldv_assert(pdev==6) [L1693] COND TRUE 2 !expression VAL [\old(expression)=1, \old(expression)=0, expression=1, expression=0, ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={4:0}] [L1693] 2 reach_error() VAL [\old(expression)=0, \old(expression)=1, expression=1, expression=0, ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 348 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 174 mSDtfsCounter, 484 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1469occurred in iteration=5, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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! [2021-12-17 22:23:52,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE